367 files changed, 12825 insertions, 4489 deletions

diff --git a/arch/alpha/boot/bootp.c b/arch/alpha/boot/bootp.c
index ec53c28e33de..3af21c789339 100644
--- a/arch/alpha/boot/bootp.c
+++ b/arch/alpha/boot/bootp.c
@@ -9,7 +9,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/string.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <linux/mm.h>
 
 #include <asm/system.h>
diff --git a/arch/alpha/boot/bootpz.c b/arch/alpha/boot/bootpz.c
index a6657f2cf9bd..4307bde80a35 100644
--- a/arch/alpha/boot/bootpz.c
+++ b/arch/alpha/boot/bootpz.c
@@ -11,7 +11,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/string.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <linux/mm.h>
 
 #include <asm/system.h>
diff --git a/arch/alpha/boot/main.c b/arch/alpha/boot/main.c
index 78c9b0b6eea7..90ed55b662a8 100644
--- a/arch/alpha/boot/main.c
+++ b/arch/alpha/boot/main.c
@@ -7,7 +7,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/string.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <linux/mm.h>
 
 #include <asm/system.h>
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index bd193ffd6fe0..729c475d2269 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -94,12 +94,12 @@ show_interrupts(struct seq_file *p, void *v)
 #endif
                 seq_printf(p, " %14s", irq_desc[irq].chip->typename);
                 seq_printf(p, "  %c%s",
-                        (action->flags & SA_INTERRUPT)?'+':' ',
+                        (action->flags & IRQF_DISABLED)?'+':' ',
                         action->name);
 
                 for (action=action->next; action; action = action->next) {
                         seq_printf(p, ", %c%s",
-                                  (action->flags & SA_INTERRUPT)?'+':' ',
+                                  (action->flags & IRQF_DISABLED)?'+':' ',
                                    action->name);
                 }
 
diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c
index ffa4ac543cf2..ddf5cf8dcb0b 100644
--- a/arch/alpha/kernel/irq_alpha.c
+++ b/arch/alpha/kernel/irq_alpha.c
@@ -214,7 +214,7 @@ static unsigned int rtc_startup(unsigned int irq) { return 0; }
 
 struct irqaction timer_irqaction = {
         .handler        = timer_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "timer",
 };
 
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 01c8c8b23337..41ebf51a107a 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -474,7 +474,7 @@ out:
  */
 
 unsigned long
-thread_saved_pc(task_t *t)
+thread_saved_pc(struct task_struct *t)
 {
         unsigned long base = (unsigned long)task_stack_page(t);
         unsigned long fp, sp = task_thread_info(t)->pcb.ksp;
diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c
index 0148e095638f..4ac2b328b8de 100644
--- a/arch/alpha/kernel/sys_jensen.c
+++ b/arch/alpha/kernel/sys_jensen.c
@@ -74,7 +74,7 @@ jensen_local_startup(unsigned int irq)
                  * the IPL from being dropped during handler processing.
                  */
                 if (irq_desc[irq].action)
-                        irq_desc[irq].action->flags |= SA_INTERRUPT;
+                        irq_desc[irq].action->flags |= IRQF_DISABLED;
         return 0;
 }
 
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index a8bfc8c16a7d..302aab38d95f 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -279,15 +279,15 @@ titan_late_init(void)
          * all reported to the kernel as machine checks, so the handler
          * is a nop so it can be called to count the individual events.
          */
-        request_irq(63+16, titan_intr_nop, SA_INTERRUPT, 
+        request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
                     "CChip Error", NULL);
-        request_irq(62+16, titan_intr_nop, SA_INTERRUPT, 
+        request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
                     "PChip 0 H_Error", NULL);
-        request_irq(61+16, titan_intr_nop, SA_INTERRUPT, 
+        request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
                     "PChip 1 H_Error", NULL);
-        request_irq(60+16, titan_intr_nop, SA_INTERRUPT, 
+        request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
                     "PChip 0 C_Error", NULL);
-        request_irq(59+16, titan_intr_nop, SA_INTERRUPT, 
+        request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
                     "PChip 1 C_Error", NULL);
 
         /* 
@@ -348,9 +348,9 @@ privateer_init_pci(void)
          * Hook a couple of extra err interrupts that the
          * common titan code won't.
          */
-        request_irq(53+16, titan_intr_nop, SA_INTERRUPT, 
+        request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
                     "NMI", NULL);
-        request_irq(50+16, titan_intr_nop, SA_INTERRUPT, 
+        request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
                     "Temperature Warning", NULL);
 
         /*
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f123c7c9fc98..f81a62380add 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -47,6 +47,18 @@ config MCA
           <file:Documentation/mca.txt> (and especially the web page given
           there) before attempting to build an MCA bus kernel.
 
+config GENERIC_HARDIRQS
+        bool
+        default y
+
+config HARDIRQS_SW_RESEND
+        bool
+        default y
+
+config GENERIC_IRQ_PROBE
+        bool
+        default y
+
 config RWSEM_GENERIC_SPINLOCK
         bool
         default y
@@ -121,11 +133,11 @@ config ARCH_VERSATILE
         help
           This enables support for ARM Ltd Versatile board.
 
-config ARCH_AT91RM9200
-        bool "Atmel AT91RM9200"
+config ARCH_AT91
+        bool "Atmel AT91"
         help
-          Say Y here if you intend to run this kernel on an Atmel
-          AT91RM9200-based board.
+          This enables support for systems based on the Atmel AT91RM9200
+          and AT91SAM9xxx processors.
 
 config ARCH_CLPS7500
         bool "Cirrus CL-PS7500FE"
@@ -547,7 +559,7 @@ config LEDS
                    ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
                    ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
                    ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
-                   ARCH_AT91RM9200
+                   ARCH_AT91RM9200 || MACH_TRIZEPS4
         help
           If you say Y here, the LEDs on your machine will be used
           to provide useful information about your current system status.
@@ -678,7 +690,7 @@ config XIP_PHYS_ADDR
 
 endmenu
 
-if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP1)
+if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP)
 
 menu "CPU Frequency scaling"
 
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index a3bbaaf480b9..3345c6d0fd1e 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -114,7 +114,7 @@ endif
  machine-$(CONFIG_ARCH_H720X)      := h720x
  machine-$(CONFIG_ARCH_AAEC2000)   := aaec2000
  machine-$(CONFIG_ARCH_REALVIEW)   := realview
- machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
+ machine-$(CONFIG_ARCH_AT91)       := at91rm9200
  machine-$(CONFIG_ARCH_EP93XX)     := ep93xx
  machine-$(CONFIG_ARCH_PNX4008)    := pnx4008
  machine-$(CONFIG_ARCH_NETX)       := netx
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index f7b5c6db30f5..14a9ff9c68df 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -447,8 +447,11 @@ __common_mmu_cache_on:
                 mov     r1, #-1
                 mcr     p15, 0, r3, c2, c0, 0   @ load page table pointer
                 mcr     p15, 0, r1, c3, c0, 0   @ load domain access control
-                mcr     p15, 0, r0, c1, c0, 0   @ load control register
-                mov     pc, lr
+                b       1f
+                .align  5                       @ cache line aligned
+1:              mcr     p15, 0, r0, c1, c0, 0   @ load control register
+                mrc     p15, 0, r0, c1, c0, 0   @ and read it back to
+                sub     pc, lr, r0, lsr #32     @ properly flush pipeline
 
 /*
  * All code following this line is relocatable.  It is relocated by
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index c02dc8116a18..f3c1ebfdd0aa 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -33,6 +33,7 @@
 
 static void __iomem *gic_dist_base;
 static void __iomem *gic_cpu_base;
+static DEFINE_SPINLOCK(irq_controller_lock);
 
 /*
  * Routines to acknowledge, disable and enable interrupts
@@ -52,32 +53,45 @@ static void __iomem *gic_cpu_base;
 static void gic_ack_irq(unsigned int irq)
 {
         u32 mask = 1 << (irq % 32);
+
+        spin_lock(&irq_controller_lock);
         writel(mask, gic_dist_base + GIC_DIST_ENABLE_CLEAR + (irq / 32) * 4);
         writel(irq, gic_cpu_base + GIC_CPU_EOI);
+        spin_unlock(&irq_controller_lock);
 }
 
 static void gic_mask_irq(unsigned int irq)
 {
         u32 mask = 1 << (irq % 32);
+
+        spin_lock(&irq_controller_lock);
         writel(mask, gic_dist_base + GIC_DIST_ENABLE_CLEAR + (irq / 32) * 4);
+        spin_unlock(&irq_controller_lock);
 }
 
 static void gic_unmask_irq(unsigned int irq)
 {
         u32 mask = 1 << (irq % 32);
+
+        spin_lock(&irq_controller_lock);
         writel(mask, gic_dist_base + GIC_DIST_ENABLE_SET + (irq / 32) * 4);
+        spin_unlock(&irq_controller_lock);
 }
 
 #ifdef CONFIG_SMP
-static void gic_set_cpu(struct irqdesc *desc, unsigned int irq, unsigned int cpu)
+static void gic_set_cpu(unsigned int irq, cpumask_t mask_val)
 {
         void __iomem *reg = gic_dist_base + GIC_DIST_TARGET + (irq & ~3);
         unsigned int shift = (irq % 4) * 8;
+        unsigned int cpu = first_cpu(mask_val);
         u32 val;
 
+        spin_lock(&irq_controller_lock);
+        irq_desc[irq].cpu = cpu;
         val = readl(reg) & ~(0xff << shift);
         val |= 1 << (cpu + shift);
         writel(val, reg);
+        spin_unlock(&irq_controller_lock);
 }
 #endif
 
@@ -86,7 +100,7 @@ static struct irqchip gic_chip = {
         .mask           = gic_mask_irq,
         .unmask         = gic_unmask_irq,
 #ifdef CONFIG_SMP
-        .set_cpu        = gic_set_cpu,
+        .set_affinity   = gic_set_cpu,
 #endif
 };
 
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index fe06a36a2130..1cdb26a47e1f 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -150,7 +150,7 @@ static void
 sa1111_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 {
         unsigned int stat0, stat1, i;
-        void __iomem *base = desc->data;
+        void __iomem *base = get_irq_data(irq);
 
         stat0 = sa1111_readl(base + SA1111_INTSTATCLR0);
         stat1 = sa1111_readl(base + SA1111_INTSTATCLR1);
@@ -168,11 +168,11 @@ sa1111_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 
         for (i = IRQ_SA1111_START; stat0; i++, stat0 >>= 1)
                 if (stat0 & 1)
-                        do_edge_IRQ(i, irq_desc + i, regs);
+                        handle_edge_irq(i, irq_desc + i, regs);
 
         for (i = IRQ_SA1111_START + 32; stat1; i++, stat1 >>= 1)
                 if (stat1 & 1)
-                        do_edge_IRQ(i, irq_desc + i, regs);
+                        handle_edge_irq(i, irq_desc + i, regs);
 
         /* For level-based interrupts */
         desc->chip->unmask(irq);
diff --git a/arch/arm/common/time-acorn.c b/arch/arm/common/time-acorn.c
index 486add853fb8..3f60dd9aca80 100644
--- a/arch/arm/common/time-acorn.c
+++ b/arch/arm/common/time-acorn.c
@@ -16,6 +16,7 @@
 #include <linux/timex.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/hardware.h>
 #include <asm/io.h>
@@ -76,7 +77,7 @@ ioc_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction ioc_timer_irq = {
         .name           = "timer",
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .handler        = ioc_timer_interrupt
 };
 
diff --git a/arch/arm/configs/at91rm9200dk_defconfig b/arch/arm/configs/at91rm9200dk_defconfig
index 9e1c1cceb735..4f3d8d37741e 100644
--- a/arch/arm/configs/at91rm9200dk_defconfig
+++ b/arch/arm/configs/at91rm9200dk_defconfig
@@ -103,6 +103,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 
 #
diff --git a/arch/arm/configs/at91rm9200ek_defconfig b/arch/arm/configs/at91rm9200ek_defconfig
index 6e0805a971d7..08b5dc38876f 100644
--- a/arch/arm/configs/at91rm9200ek_defconfig
+++ b/arch/arm/configs/at91rm9200ek_defconfig
@@ -103,6 +103,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 
 #
diff --git a/arch/arm/configs/ateb9200_defconfig b/arch/arm/configs/ateb9200_defconfig
index 69c39e098743..bee7813d040e 100644
--- a/arch/arm/configs/ateb9200_defconfig
+++ b/arch/arm/configs/ateb9200_defconfig
@@ -105,6 +105,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 
 #
diff --git a/arch/arm/configs/carmeva_defconfig b/arch/arm/configs/carmeva_defconfig
index 5ccd29a7c1fb..8a075c8ecc63 100644
--- a/arch/arm/configs/carmeva_defconfig
+++ b/arch/arm/configs/carmeva_defconfig
@@ -82,6 +82,7 @@ CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 
 #
diff --git a/arch/arm/configs/csb337_defconfig b/arch/arm/configs/csb337_defconfig
index 94bd9932a402..3594155a8137 100644
--- a/arch/arm/configs/csb337_defconfig
+++ b/arch/arm/configs/csb337_defconfig
@@ -103,6 +103,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 
 #
diff --git a/arch/arm/configs/csb637_defconfig b/arch/arm/configs/csb637_defconfig
index 1519124c5501..640d70c1f066 100644
--- a/arch/arm/configs/csb637_defconfig
+++ b/arch/arm/configs/csb637_defconfig
@@ -103,6 +103,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 
 #
diff --git a/arch/arm/configs/kafa_defconfig b/arch/arm/configs/kafa_defconfig
index 51ded20e3f64..1db633e2c940 100644
--- a/arch/arm/configs/kafa_defconfig
+++ b/arch/arm/configs/kafa_defconfig
@@ -105,6 +105,7 @@ CONFIG_DEFAULT_IOSCHED="deadline"
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 
 #
diff --git a/arch/arm/configs/kb9202_defconfig b/arch/arm/configs/kb9202_defconfig
index fee4f566452e..45396e087196 100644
--- a/arch/arm/configs/kb9202_defconfig
+++ b/arch/arm/configs/kb9202_defconfig
@@ -80,6 +80,7 @@ CONFIG_KMOD=y
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
 # CONFIG_ARCH_AAEC2000 is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 
 #
diff --git a/arch/arm/configs/omap_h2_1610_defconfig b/arch/arm/configs/omap_h2_1610_defconfig
index ee3ecbd9002d..05adb0b34e72 100644
--- a/arch/arm/configs/omap_h2_1610_defconfig
+++ b/arch/arm/configs/omap_h2_1610_defconfig
@@ -1,19 +1,20 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.14
-# Wed Nov  9 18:53:40 2005
+# Linux kernel version: 2.6.17
+# Thu Jun 29 15:25:18 2006
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
-CONFIG_UID16=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
@@ -29,26 +30,26 @@ CONFIG_SYSVIPC=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-# CONFIG_HOTPLUG is not set
-CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
 
 #
 # Loadable module support
@@ -56,7 +57,6 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 # CONFIG_KMOD is not set
@@ -64,6 +64,7 @@ CONFIG_OBSOLETE_MODPARM=y
 #
 # Block layer
 #
+# CONFIG_BLK_DEV_IO_TRACE is not set
 
 #
 # IO Schedulers
@@ -81,16 +82,26 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 #
 # System Type
 #
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91RM9200 is not set
 # CONFIG_ARCH_CLPS7500 is not set
 # CONFIG_ARCH_CLPS711X is not set
 # CONFIG_ARCH_CO285 is not set
 # CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
-# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_IOP3XX is not set
 # CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP23XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
@@ -98,11 +109,6 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
 CONFIG_ARCH_OMAP=y
-# CONFIG_ARCH_VERSATILE is not set
-# CONFIG_ARCH_REALVIEW is not set
-# CONFIG_ARCH_IMX is not set
-# CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_AAEC2000 is not set
 
 #
 # TI OMAP Implementations
@@ -141,6 +147,7 @@ CONFIG_ARCH_OMAP16XX=y
 CONFIG_MACH_OMAP_H2=y
 # CONFIG_MACH_OMAP_H3 is not set
 # CONFIG_MACH_OMAP_OSK is not set
+# CONFIG_MACH_NOKIA770 is not set
 # CONFIG_MACH_OMAP_GENERIC is not set
 
 #
@@ -177,7 +184,6 @@ CONFIG_ARM_THUMB=y
 #
 # Bus support
 #
-CONFIG_ISA_DMA_API=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -189,6 +195,8 @@ CONFIG_ISA_DMA_API=y
 #
 CONFIG_PREEMPT=y
 CONFIG_NO_IDLE_HZ=y
+CONFIG_HZ=128
+# CONFIG_AEABI is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
@@ -249,6 +257,8 @@ CONFIG_BINFMT_AOUT=y
 # Power management options
 #
 CONFIG_PM=y
+CONFIG_PM_LEGACY=y
+# CONFIG_PM_DEBUG is not set
 # CONFIG_APM is not set
 
 #
@@ -259,9 +269,12 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -278,12 +291,18 @@ CONFIG_IP_PNP_BOOTP=y
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
 # CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_BIC=y
 # CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 
 #
@@ -295,6 +314,11 @@ CONFIG_TCP_CONG_BIC=y
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -312,7 +336,6 @@ CONFIG_TCP_CONG_BIC=y
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
 
 #
 # Network testing
@@ -333,6 +356,12 @@ CONFIG_TCP_CONG_BIC=y
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_FW_LOADER is not set
+# CONFIG_SYS_HYPERVISOR is not set
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
 
 #
 # Memory Technology Devices (MTD)
@@ -526,6 +555,7 @@ CONFIG_SERIO_SERPORT=y
 CONFIG_VT=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -534,6 +564,7 @@ CONFIG_HW_CONSOLE=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
@@ -559,8 +590,8 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_HW_RANDOM is not set
 # CONFIG_NVRAM is not set
-# CONFIG_RTC is not set
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 
@@ -572,6 +603,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 #
 # TPM devices
 #
+# CONFIG_TCG_TPM is not set
 # CONFIG_TELCLOCK is not set
 
 #
@@ -580,10 +612,22 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # CONFIG_I2C is not set
 
 #
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
+# Dallas's 1-wire bus
+#
+
+#
 # Hardware Monitoring support
 #
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_ABITUGURU is not set
+# CONFIG_SENSORS_F71805F is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
 
 #
@@ -591,13 +635,23 @@ CONFIG_HWMON=y
 #
 
 #
-# Multimedia Capabilities Port drivers
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
 #
 
 #
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
 
 #
 # Digital Video Broadcasting Devices
@@ -607,11 +661,13 @@ CONFIG_HWMON=y
 #
 # Graphics support
 #
+CONFIG_FIRMWARE_EDID=y
 CONFIG_FB=y
 # CONFIG_FB_CFB_FILLRECT is not set
 # CONFIG_FB_CFB_COPYAREA is not set
 # CONFIG_FB_CFB_IMAGEBLIT is not set
 # CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
 CONFIG_FB_MODE_HELPERS=y
 # CONFIG_FB_TILEBLITTING is not set
 # CONFIG_FB_S1D13XXX is not set
@@ -635,7 +691,6 @@ CONFIG_FONT_8x16=y
 # CONFIG_FONT_SUN8x16 is not set
 # CONFIG_FONT_SUN12x22 is not set
 # CONFIG_FONT_10x18 is not set
-# CONFIG_FONT_RL is not set
 
 #
 # Logo configuration
@@ -660,16 +715,15 @@ CONFIG_SOUND=y
 # Open Sound System
 #
 CONFIG_SOUND_PRIME=y
-# CONFIG_OBSOLETE_OSS_DRIVER is not set
 # CONFIG_SOUND_MSNDCLAS is not set
 # CONFIG_SOUND_MSNDPIN is not set
-# CONFIG_SOUND_OSS is not set
 
 #
 # USB support
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
 # CONFIG_USB is not set
 
 #
@@ -680,17 +734,6 @@ CONFIG_USB_ARCH_HAS_OHCI=y
 # USB Gadget Support
 #
 # CONFIG_USB_GADGET is not set
-# CONFIG_USB_GADGET_NET2280 is not set
-# CONFIG_USB_GADGET_PXA2XX is not set
-# CONFIG_USB_GADGET_GOKU is not set
-# CONFIG_USB_GADGET_LH7A40X is not set
-# CONFIG_USB_GADGET_OMAP is not set
-# CONFIG_USB_GADGET_DUMMY_HCD is not set
-# CONFIG_USB_ZERO is not set
-# CONFIG_USB_ETH is not set
-# CONFIG_USB_GADGETFS is not set
-# CONFIG_USB_FILE_STORAGE is not set
-# CONFIG_USB_G_SERIAL is not set
 
 #
 # MMC/SD Card support
@@ -698,20 +741,27 @@ CONFIG_USB_ARCH_HAS_OHCI=y
 # CONFIG_MMC is not set
 
 #
+# Real Time Clock
+#
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_JBD is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
 # CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 CONFIG_ROMFS_FS=y
 CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
@@ -741,7 +791,7 @@ CONFIG_SYSFS=y
 # CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -843,10 +893,13 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
+# CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_DEBUG_KERNEL is not set
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_FS is not set
 CONFIG_FRAME_POINTER=y
+# CONFIG_UNWIND_INFO is not set
 # CONFIG_DEBUG_USER is not set
 
 #
diff --git a/arch/arm/configs/onearm_defconfig b/arch/arm/configs/onearm_defconfig
index 5401c01caefe..2b4a63be03f7 100644
--- a/arch/arm/configs/onearm_defconfig
+++ b/arch/arm/configs/onearm_defconfig
@@ -85,6 +85,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
+CONFIG_ARCH_AT91=y
 CONFIG_ARCH_AT91RM9200=y
 # CONFIG_ARCH_CLPS7500 is not set
 # CONFIG_ARCH_CLPS711X is not set
diff --git a/arch/arm/configs/trizeps4_defconfig b/arch/arm/configs/trizeps4_defconfig
new file mode 100644
index 000000000000..a6698dc4f6b9
--- /dev/null
+++ b/arch/arm/configs/trizeps4_defconfig
@@ -0,0 +1,1579 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.17
+# Sat Jun 24 22:45:14 2006
+#
+CONFIG_ARM=y
+CONFIG_MMU=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_VECTORS_BASE=0xffff0000
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_BSD_PROCESS_ACCT_V3=y
+CONFIG_SYSCTL=y
+CONFIG_AUDIT=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EMBEDDED=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SHMEM=y
+CONFIG_SLAB=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+CONFIG_OBSOLETE_INTERMODULE=y
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+CONFIG_MODULE_SRCVERSION_ALL=y
+CONFIG_KMOD=y
+
+#
+# Block layer
+#
+# CONFIG_BLK_DEV_IO_TRACE is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+
+#
+# System Type
+#
+# CONFIG_ARCH_CLPS7500 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_CO285 is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_IOP3XX is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_L7200 is not set
+CONFIG_ARCH_PXA=y
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_AT91RM9200 is not set
+
+#
+# Intel PXA2xx Implementations
+#
+# CONFIG_ARCH_LUBBOCK is not set
+# CONFIG_MACH_LOGICPD_PXA270 is not set
+# CONFIG_MACH_MAINSTONE is not set
+# CONFIG_ARCH_PXA_IDP is not set
+# CONFIG_PXA_SHARPSL is not set
+CONFIG_MACH_TRIZEPS4=y
+CONFIG_MACH_TRIZEPS4_CONXS=y
+# CONFIG_MACH_TRIZEPS4_ANY is not set
+CONFIG_PXA27x=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_XSCALE=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_TLB_V4WBI=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+CONFIG_XSCALE_PMU=y
+
+#
+# Bus support
+#
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+CONFIG_PCCARD=m
+# CONFIG_PCMCIA_DEBUG is not set
+CONFIG_PCMCIA=m
+CONFIG_PCMCIA_LOAD_CIS=y
+CONFIG_PCMCIA_IOCTL=y
+
+#
+# PC-card bridges
+#
+CONFIG_PCMCIA_PXA2XX=m
+
+#
+# Kernel Features
+#
+CONFIG_PREEMPT=y
+# CONFIG_NO_IDLE_HZ is not set
+CONFIG_HZ=100
+# CONFIG_AEABI is not set
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_LEDS=y
+CONFIG_LEDS_TIMER=y
+CONFIG_LEDS_CPU=y
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_CMDLINE="root=/dev/nfs ip=bootp console=ttyS0,115200n8"
+# CONFIG_XIP_KERNEL is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+CONFIG_FPE_NWFPE_XP=y
+# CONFIG_FPE_FASTFPE is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_AOUT is not set
+CONFIG_BINFMT_MISC=m
+# CONFIG_ARTHUR is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+CONFIG_PM_LEGACY=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_APM=y
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+CONFIG_XFRM_USER=m
+CONFIG_NET_KEY=y
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+
+#
+# IP: Virtual Server Configuration
+#
+# CONFIG_IP_VS is not set
+CONFIG_IPV6=m
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_INET6_AH is not set
+# CONFIG_INET6_ESP is not set
+# CONFIG_INET6_IPCOMP is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_IPV6_TUNNEL is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+
+#
+# Core Netfilter Configuration
+#
+# CONFIG_NETFILTER_NETLINK is not set
+# CONFIG_NETFILTER_XTABLES is not set
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_IP_NF_CONNTRACK=m
+CONFIG_IP_NF_CT_ACCT=y
+CONFIG_IP_NF_CONNTRACK_MARK=y
+# CONFIG_IP_NF_CONNTRACK_EVENTS is not set
+# CONFIG_IP_NF_CT_PROTO_SCTP is not set
+CONFIG_IP_NF_FTP=m
+CONFIG_IP_NF_IRC=m
+# CONFIG_IP_NF_NETBIOS_NS is not set
+CONFIG_IP_NF_TFTP=m
+CONFIG_IP_NF_AMANDA=m
+# CONFIG_IP_NF_PPTP is not set
+# CONFIG_IP_NF_H323 is not set
+CONFIG_IP_NF_QUEUE=m
+
+#
+# IPv6: Netfilter Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP6_NF_QUEUE is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+CONFIG_VLAN_8021Q=m
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+CONFIG_IRDA=m
+
+#
+# IrDA protocols
+#
+CONFIG_IRLAN=m
+CONFIG_IRNET=m
+CONFIG_IRCOMM=m
+CONFIG_IRDA_ULTRA=y
+
+#
+# IrDA options
+#
+CONFIG_IRDA_CACHE_LAST_LSAP=y
+CONFIG_IRDA_FAST_RR=y
+# CONFIG_IRDA_DEBUG is not set
+
+#
+# Infrared-port device drivers
+#
+
+#
+# SIR device drivers
+#
+CONFIG_IRTTY_SIR=m
+
+#
+# Dongle support
+#
+# CONFIG_DONGLE is not set
+
+#
+# Old SIR device drivers
+#
+# CONFIG_IRPORT_SIR is not set
+
+#
+# Old Serial dongle support
+#
+
+#
+# FIR device drivers
+#
+# CONFIG_USB_IRDA is not set
+# CONFIG_SIGMATEL_FIR is not set
+# CONFIG_PXA_FICP is not set
+CONFIG_BT=m
+CONFIG_BT_L2CAP=m
+CONFIG_BT_SCO=m
+CONFIG_BT_RFCOMM=m
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_BNEP=m
+CONFIG_BT_BNEP_MC_FILTER=y
+CONFIG_BT_BNEP_PROTO_FILTER=y
+CONFIG_BT_HIDP=m
+
+#
+# Bluetooth device drivers
+#
+# CONFIG_BT_HCIUSB is not set
+# CONFIG_BT_HCIUART is not set
+# CONFIG_BT_HCIBCM203X is not set
+# CONFIG_BT_HCIBPA10X is not set
+# CONFIG_BT_HCIBFUSB is not set
+# CONFIG_BT_HCIDTL1 is not set
+# CONFIG_BT_HCIBT3C is not set
+# CONFIG_BT_HCIBLUECARD is not set
+# CONFIG_BT_HCIBTUART is not set
+# CONFIG_BT_HCIVHCI is not set
+CONFIG_IEEE80211=m
+# CONFIG_IEEE80211_DEBUG is not set
+CONFIG_IEEE80211_CRYPT_WEP=m
+CONFIG_IEEE80211_CRYPT_CCMP=m
+CONFIG_IEEE80211_CRYPT_TKIP=m
+CONFIG_IEEE80211_SOFTMAC=m
+# CONFIG_IEEE80211_SOFTMAC_DEBUG is not set
+CONFIG_WIRELESS_EXT=y
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+CONFIG_CONNECTOR=y
+CONFIG_PROC_EVENTS=y
+
+#
+# Memory Technology Devices (MTD)
+#
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+CONFIG_MTD_REDBOOT_PARTS=y
+CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
+CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED=y
+CONFIG_MTD_REDBOOT_PARTS_READONLY=y
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AFS_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+CONFIG_NFTL=y
+CONFIG_NFTL_RW=y
+CONFIG_INFTL=y
+# CONFIG_RFD_FTL is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+# CONFIG_MTD_CFI_NOSWAP is not set
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_LE_BYTE_SWAP=y
+CONFIG_MTD_CFI_GEOMETRY=y
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+# CONFIG_MTD_XIP is not set
+
+#
+# Mapping drivers for chip access
+#
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x0
+CONFIG_MTD_PHYSMAP_LEN=0x4000000
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_TRIZEPS4 is not set
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_IMPA7 is not set
+# CONFIG_MTD_SHARP_SL is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+CONFIG_MTD_DOC2001PLUS=y
+CONFIG_MTD_DOCPROBE=y
+CONFIG_MTD_DOCECC=y
+# CONFIG_MTD_DOCPROBE_ADVANCED is not set
+CONFIG_MTD_DOCPROBE_ADDRESS=0
+
+#
+# NAND Flash Device Drivers
+#
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_H1900 is not set
+CONFIG_MTD_NAND_IDS=y
+CONFIG_MTD_NAND_DISKONCHIP=y
+# CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADVANCED is not set
+CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0
+# CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE is not set
+# CONFIG_MTD_NAND_SHARPSL is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+
+#
+# OneNAND Flash Device Drivers
+#
+# CONFIG_MTD_ONENAND is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+
+#
+# Block devices
+#
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_CRYPTOLOOP=m
+CONFIG_BLK_DEV_NBD=y
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=4
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDE=y
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+# CONFIG_BLK_DEV_IDE_SATA is not set
+CONFIG_BLK_DEV_IDEDISK=y
+CONFIG_IDEDISK_MULTI_MODE=y
+CONFIG_BLK_DEV_IDECS=m
+# CONFIG_BLK_DEV_IDECD is not set
+# CONFIG_BLK_DEV_IDETAPE is not set
+# CONFIG_BLK_DEV_IDEFLOPPY is not set
+# CONFIG_BLK_DEV_IDESCSI is not set
+# CONFIG_IDE_TASK_IOCTL is not set
+
+#
+# IDE chipset support/bugfixes
+#
+CONFIG_IDE_GENERIC=y
+CONFIG_IDE_PXA_CF=y
+CONFIG_IDE_ARM=y
+# CONFIG_BLK_DEV_IDEDMA is not set
+# CONFIG_IDEDMA_AUTO is not set
+# CONFIG_BLK_DEV_HD is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=m
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=m
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+
+#
+# SCSI Transport Attributes
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_ATTRS is not set
+
+#
+# SCSI low-level drivers
+#
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_SCSI_SATA is not set
+# CONFIG_SCSI_DEBUG is not set
+
+#
+# PCMCIA SCSI adapter support
+#
+# CONFIG_PCMCIA_AHA152X is not set
+# CONFIG_PCMCIA_FDOMAIN is not set
+# CONFIG_PCMCIA_NINJA_SCSI is not set
+# CONFIG_PCMCIA_QLOGIC is not set
+# CONFIG_PCMCIA_SYM53C500 is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+
+#
+# I2O device support
+#
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+
+#
+# PHY device support
+#
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+CONFIG_DAVICOM_PHY=y
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_SMC91X is not set
+CONFIG_DM9000=y
+
+#
+# Ethernet (1000 Mbit)
+#
+
+#
+# Ethernet (10000 Mbit)
+#
+
+#
+# Token Ring devices
+#
+
+#
+# Wireless LAN (non-hamradio)
+#
+CONFIG_NET_RADIO=y
+# CONFIG_NET_WIRELESS_RTNETLINK is not set
+
+#
+# Obsolete Wireless cards support (pre-802.11)
+#
+# CONFIG_STRIP is not set
+# CONFIG_PCMCIA_WAVELAN is not set
+# CONFIG_PCMCIA_NETWAVE is not set
+
+#
+# Wireless 802.11 Frequency Hopping cards support
+#
+# CONFIG_PCMCIA_RAYCS is not set
+
+#
+# Wireless 802.11b ISA/PCI cards support
+#
+CONFIG_HERMES=m
+# CONFIG_ATMEL is not set
+
+#
+# Wireless 802.11b Pcmcia/Cardbus cards support
+#
+CONFIG_PCMCIA_HERMES=m
+# CONFIG_PCMCIA_SPECTRUM is not set
+CONFIG_AIRO_CS=m
+# CONFIG_PCMCIA_WL3501 is not set
+CONFIG_HOSTAP=m
+CONFIG_HOSTAP_FIRMWARE=y
+CONFIG_HOSTAP_FIRMWARE_NVRAM=y
+CONFIG_HOSTAP_CS=m
+CONFIG_NET_WIRELESS=y
+
+#
+# PCMCIA network device support
+#
+# CONFIG_NET_PCMCIA is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+CONFIG_PPP=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_SYNC_TTY=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_MPPE=m
+# CONFIG_PPPOE is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=640
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=480
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_TSDEV=y
+CONFIG_INPUT_TSDEV_SCREEN_X=640
+CONFIG_INPUT_TSDEV_SCREEN_Y=480
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+CONFIG_INPUT_MOUSE=y
+# CONFIG_MOUSE_PS2 is not set
+CONFIG_MOUSE_SERIAL=y
+# CONFIG_MOUSE_VSXXXAA is not set
+# CONFIG_INPUT_JOYSTICK is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=m
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_PXA=y
+CONFIG_SERIAL_PXA_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_SA1100_WATCHDOG=y
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+# CONFIG_NVRAM is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+
+#
+# PCMCIA character devices
+#
+# CONFIG_SYNCLINK_CS is not set
+# CONFIG_CARDMAN_4000 is not set
+# CONFIG_CARDMAN_4040 is not set
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
+# I2C support
+#
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+
+#
+# I2C Algorithms
+#
+# CONFIG_I2C_ALGOBIT is not set
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+CONFIG_I2C_PXA=y
+CONFIG_I2C_PXA_SLAVE=y
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_PCA_ISA is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+CONFIG_SENSORS_EEPROM=m
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+
+#
+# SPI support
+#
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_BITBANG is not set
+CONFIG_SPI_PXA2XX=m
+
+#
+# SPI Protocol Masters
+#
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_ADM1021 is not set
+# CONFIG_SENSORS_ADM1025 is not set
+# CONFIG_SENSORS_ADM1026 is not set
+# CONFIG_SENSORS_ADM1031 is not set
+# CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ASB100 is not set
+# CONFIG_SENSORS_ATXP1 is not set
+# CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_FSCHER is not set
+# CONFIG_SENSORS_FSCPOS is not set
+# CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM75 is not set
+# CONFIG_SENSORS_LM77 is not set
+# CONFIG_SENSORS_LM78 is not set
+# CONFIG_SENSORS_LM80 is not set
+# CONFIG_SENSORS_LM83 is not set
+# CONFIG_SENSORS_LM85 is not set
+# CONFIG_SENSORS_LM87 is not set
+# CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia Capabilities Port drivers
+#
+CONFIG_UCB1400=y
+CONFIG_UCB1400_TS=y
+
+#
+# LED devices
+#
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_IDE_DISK=y
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+# CONFIG_USB_DABUSB is not set
+
+#
+# Graphics support
+#
+CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_MACMODES is not set
+CONFIG_FB_FIRMWARE_EDID=y
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_PXA=y
+# CONFIG_FB_PXA_PARAMETERS is not set
+# CONFIG_FB_VIRTUAL is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+CONFIG_FONTS=y
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+# CONFIG_FONT_6x11 is not set
+# CONFIG_FONT_7x14 is not set
+# CONFIG_FONT_PEARL_8x8 is not set
+# CONFIG_FONT_ACORN_8x8 is not set
+# CONFIG_FONT_MINI_4x6 is not set
+# CONFIG_FONT_SUN8x16 is not set
+# CONFIG_FONT_SUN12x22 is not set
+# CONFIG_FONT_10x18 is not set
+
+#
+# Logo configuration
+#
+CONFIG_LOGO=y
+CONFIG_LOGO_LINUX_MONO=y
+CONFIG_LOGO_LINUX_VGA16=y
+CONFIG_LOGO_LINUX_CLUT224=y
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_DEVICE=y
+CONFIG_LCD_CLASS_DEVICE=y
+CONFIG_LCD_DEVICE=y
+
+#
+# Sound
+#
+CONFIG_SOUND=y
+
+#
+# Advanced Linux Sound Architecture
+#
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+CONFIG_SND_HWDEP=m
+CONFIG_SND_RAWMIDI=m
+CONFIG_SND_SEQUENCER=m
+# CONFIG_SND_SEQ_DUMMY is not set
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
+CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_SEQUENCER_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+CONFIG_SND_VERBOSE_PRINTK=y
+# CONFIG_SND_DEBUG is not set
+
+#
+# Generic devices
+#
+CONFIG_SND_AC97_CODEC=y
+CONFIG_SND_AC97_BUS=y
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_VIRMIDI is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# ALSA ARM devices
+#
+CONFIG_SND_PXA2XX_PCM=y
+CONFIG_SND_PXA2XX_AC97=y
+
+#
+# USB devices
+#
+CONFIG_SND_USB_AUDIO=m
+
+#
+# PCMCIA devices
+#
+# CONFIG_SND_VXPOCKET is not set
+# CONFIG_SND_PDAUDIOCF is not set
+
+#
+# Open Sound System
+#
+# CONFIG_SOUND_PRIME is not set
+
+#
+# USB support
+#
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+# CONFIG_USB_BANDWIDTH is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=m
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=m
+CONFIG_USB_HIDINPUT=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+# CONFIG_USB_AIPTEK is not set
+# CONFIG_USB_WACOM is not set
+# CONFIG_USB_ACECAD is not set
+# CONFIG_USB_KBTAB is not set
+# CONFIG_USB_POWERMATE is not set
+CONFIG_USB_TOUCHSCREEN=m
+# CONFIG_USB_TOUCHSCREEN_EGALAX is not set
+# CONFIG_USB_TOUCHSCREEN_PANJIT is not set
+# CONFIG_USB_TOUCHSCREEN_3M is not set
+# CONFIG_USB_TOUCHSCREEN_ITM is not set
+# CONFIG_USB_YEALINK is not set
+# CONFIG_USB_XPAD is not set
+# CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_ATI_REMOTE2 is not set
+# CONFIG_USB_KEYSPAN_REMOTE is not set
+# CONFIG_USB_APPLETOUCH is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_USB_ZD1201 is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+
+#
+# USB Serial Converter support
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGETKIT is not set
+# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
+#
+# USB Gadget Support
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_AT91 is not set
+CONFIG_USB_GADGET_DUMMY_HCD=y
+CONFIG_USB_DUMMY_HCD=y
+CONFIG_USB_GADGET_DUALSPEED=y
+# CONFIG_USB_ZERO is not set
+CONFIG_USB_ETH=m
+CONFIG_USB_ETH_RNDIS=y
+CONFIG_USB_GADGETFS=m
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+CONFIG_USB_G_SERIAL=m
+
+#
+# MMC/SD Card support
+#
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_PXA=y
+
+#
+# Real Time Clock
+#
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+
+#
+# RTC drivers
+#
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+CONFIG_RTC_DRV_SA1100=y
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+CONFIG_AUTOFS4_FS=y
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-15"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS_FS=y
+CONFIG_JFFS_FS_VERBOSE=0
+CONFIG_JFFS_PROC_FS=y
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_SUMMARY is not set
+CONFIG_JFFS2_COMPRESSION_OPTIONS=y
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_JFFS2_CMODE_NONE is not set
+CONFIG_JFFS2_CMODE_PRIORITY=y
+# CONFIG_JFFS2_CMODE_SIZE is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+# CONFIG_NFS_DIRECTIO is not set
+CONFIG_NFSD=y
+CONFIG_NFSD_V2_ACL=y
+CONFIG_NFSD_V3=y
+CONFIG_NFSD_V3_ACL=y
+CONFIG_NFSD_V4=y
+CONFIG_NFSD_TCP=y
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+CONFIG_CIFS=m
+# CONFIG_CIFS_STATS is not set
+# CONFIG_CIFS_XATTR is not set
+# CONFIG_CIFS_EXPERIMENTAL is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+CONFIG_LDM_PARTITION=y
+# CONFIG_LDM_DEBUG is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+
+#
+# Native Language Support
+#
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-15"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+CONFIG_NLS_ISO8859_15=m
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+
+#
+# Profiling support
+#
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=y
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_FS is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_UNWIND_INFO is not set
+CONFIG_DEBUG_USER=y
+
+#
+# Security options
+#
+CONFIG_KEYS=y
+CONFIG_KEYS_DEBUG_PROC_KEYS=y
+CONFIG_SECURITY=y
+# CONFIG_SECURITY_NETWORK is not set
+CONFIG_SECURITY_CAPABILITIES=y
+# CONFIG_SECURITY_ROOTPLUG is not set
+# CONFIG_SECURITY_SECLVL is not set
+
+#
+# Cryptographic options
+#
+CONFIG_CRYPTO=y
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_MD4=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_SHA1=m
+CONFIG_CRYPTO_SHA256=m
+CONFIG_CRYPTO_SHA512=m
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+CONFIG_CRYPTO_AES=m
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+CONFIG_CRYPTO_ARC4=m
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_DEFLATE=m
+CONFIG_CRYPTO_MICHAEL_MIC=m
+CONFIG_CRYPTO_CRC32C=y
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+CONFIG_CRC_CCITT=y
+CONFIG_CRC16=y
+CONFIG_CRC32=y
+CONFIG_LIBCRC32C=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_REED_SOLOMON=y
+CONFIG_REED_SOLOMON_DEC16=y
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 7cffbaef064b..f0c0cdb1c183 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -25,7 +25,7 @@ obj-$(CONFIG_OABI_COMPAT)	+= sys_oabi-compat.o
 obj-$(CONFIG_CRUNCH)            += crunch.o crunch-bits.o
 AFLAGS_crunch-bits.o            := -Wa,-mcpu=ep9312
 
-obj-$(CONFIG_IWMMXT)            += iwmmxt.o
+obj-$(CONFIG_IWMMXT)            += iwmmxt.o iwmmxt-notifier.o
 AFLAGS_iwmmxt.o                 := -Wa,-mcpu=iwmmxt
 
 ifneq ($(CONFIG_ARCH_EBSA110),y)
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 447ede5143a8..cc2d58d028e1 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -105,6 +105,7 @@ int main(void)
   BLANK();
   DEFINE(PROC_INFO_SZ,          sizeof(struct proc_info_list));
   DEFINE(PROCINFO_INITFUNC,     offsetof(struct proc_info_list, __cpu_flush));
-  DEFINE(PROCINFO_MMUFLAGS,     offsetof(struct proc_info_list, __cpu_mmu_flags));
+  DEFINE(PROCINFO_MM_MMUFLAGS,  offsetof(struct proc_info_list, __cpu_mm_mmu_flags));
+  DEFINE(PROCINFO_IO_MMUFLAGS,  offsetof(struct proc_info_list, __cpu_io_mmu_flags));
   return 0; 
 }
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 68a257666d95..b9a74a741d00 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -619,7 +619,7 @@ ecard_irqexp_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *reg
                 ecard_t *ec = slot_to_ecard(slot);
 
                 if (ec->claimed) {
-                        struct irqdesc *d = irqdesc + ec->irq;
+                        struct irq_desc *d = irq_desc + ec->irq;
                         /*
                          * this ugly code is so that we can operate a
                          * prioritorising system:
@@ -883,7 +883,7 @@ static ssize_t ecard_show_resources(struct device *dev, struct device_attribute
         int i;
 
         for (i = 0; i < ECARD_NUM_RESOURCES; i++)
-                str += sprintf(str, "%08lx %08lx %08lx\n",
+                str += sprintf(str, "%08x %08x %08lx\n",
                                 ec->resource[i].start,
                                 ec->resource[i].end,
                                 ec->resource[i].flags);
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 26f197afd204..7ea5f01dfc7b 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -589,9 +589,7 @@ ENTRY(__switch_to)
 #ifdef CONFIG_MMU
         mcr     p15, 0, r6, c3, c0, 0           @ Set domain register
 #endif
-#if defined(CONFIG_IWMMXT)
-        bl      iwmmxt_task_switch
-#elif defined(CONFIG_CPU_XSCALE)
+#if defined(CONFIG_CPU_XSCALE) && !defined(CONFIG_IWMMXT)
         add     r4, r2, #TI_CPU_DOMAIN + 40     @ cpu_context_save->extra
         ldmib   r4, {r4, r5}
         mar     acc0, r4, r5
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index 1ec3f7faa259..e8e90346f11c 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -38,6 +38,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/seq_file.h>
 
 #include <asm/cacheflush.h>
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 518b80cd87de..2242f5f7cb7d 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -220,7 +220,7 @@ __create_page_tables:
         teq     r0, r6
         bne     1b
 
-        ldr     r7, [r10, #PROCINFO_MMUFLAGS]   @ mmuflags
+        ldr     r7, [r10, #PROCINFO_MM_MMUFLAGS] @ mm_mmuflags
 
         /*
          * Create identity mapping for first MB of kernel to
@@ -271,8 +271,7 @@ __create_page_tables:
 #endif
 
 #ifdef CONFIG_DEBUG_LL
-        bic     r7, r7, #0x0c                   @ turn off cacheable
-                                                @ and bufferable bits
+        ldr     r7, [r10, #PROCINFO_IO_MMUFLAGS] @ io_mmuflags
         /*
          * Map in IO space for serial debugging.
          * This allows debug messages to be output
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 4d31cf8d02d5..c3d4e94ef5bf 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -26,6 +26,7 @@
 #include <linux/signal.h>
 #include <linux/ioport.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/ptrace.h>
 #include <linux/slab.h>
 #include <linux/random.h>
@@ -37,192 +38,18 @@
 #include <linux/kallsyms.h>
 #include <linux/proc_fs.h>
 
-#include <asm/irq.h>
 #include <asm/system.h>
-#include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 
 /*
- * Maximum IRQ count.  Currently, this is arbitary.  However, it should
- * not be set too low to prevent false triggering.  Conversely, if it
- * is set too high, then you could miss a stuck IRQ.
- *
- * Maybe we ought to set a timer and re-enable the IRQ at a later time?
- */
-#define MAX_IRQ_CNT     100000
-
-static int noirqdebug __read_mostly;
-static volatile unsigned long irq_err_count;
-static DEFINE_SPINLOCK(irq_controller_lock);
-static LIST_HEAD(irq_pending);
-
-struct irqdesc irq_desc[NR_IRQS];
-void (*init_arch_irq)(void) __initdata = NULL;
-
-/*
  * No architecture-specific irq_finish function defined in arm/arch/irqs.h.
  */
 #ifndef irq_finish
 #define irq_finish(irq) do { } while (0)
 #endif
 
-/*
- * Dummy mask/unmask handler
- */
-void dummy_mask_unmask_irq(unsigned int irq)
-{
-}
-
-irqreturn_t no_action(int irq, void *dev_id, struct pt_regs *regs)
-{
-        return IRQ_NONE;
-}
-
-void do_bad_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
-{
-        irq_err_count++;
-        printk(KERN_ERR "IRQ: spurious interrupt %d\n", irq);
-}
-
-static struct irqchip bad_chip = {
-        .ack    = dummy_mask_unmask_irq,
-        .mask   = dummy_mask_unmask_irq,
-        .unmask = dummy_mask_unmask_irq,
-};
-
-static struct irqdesc bad_irq_desc = {
-        .chip           = &bad_chip,
-        .handle         = do_bad_IRQ,
-        .pend           = LIST_HEAD_INIT(bad_irq_desc.pend),
-        .disable_depth  = 1,
-};
-
-#ifdef CONFIG_SMP
-void synchronize_irq(unsigned int irq)
-{
-        struct irqdesc *desc = irq_desc + irq;
-
-        while (desc->running)
-                barrier();
-}
-EXPORT_SYMBOL(synchronize_irq);
-
-#define smp_set_running(desc)   do { desc->running = 1; } while (0)
-#define smp_clear_running(desc) do { desc->running = 0; } while (0)
-#else
-#define smp_set_running(desc)   do { } while (0)
-#define smp_clear_running(desc) do { } while (0)
-#endif
-
-/**
- *      disable_irq_nosync - disable an irq without waiting
- *      @irq: Interrupt to disable
- *
- *      Disable the selected interrupt line.  Enables and disables
- *      are nested.  We do this lazily.
- *
- *      This function may be called from IRQ context.
- */
-void disable_irq_nosync(unsigned int irq)
-{
-        struct irqdesc *desc = irq_desc + irq;
-        unsigned long flags;
-
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        desc->disable_depth++;
-        list_del_init(&desc->pend);
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-}
-EXPORT_SYMBOL(disable_irq_nosync);
-
-/**
- *      disable_irq - disable an irq and wait for completion
- *      @irq: Interrupt to disable
- *
- *      Disable the selected interrupt line.  Enables and disables
- *      are nested.  This functions waits for any pending IRQ
- *      handlers for this interrupt to complete before returning.
- *      If you use this function while holding a resource the IRQ
- *      handler may need you will deadlock.
- *
- *      This function may be called - with care - from IRQ context.
- */
-void disable_irq(unsigned int irq)
-{
-        struct irqdesc *desc = irq_desc + irq;
-
-        disable_irq_nosync(irq);
-        if (desc->action)
-                synchronize_irq(irq);
-}
-EXPORT_SYMBOL(disable_irq);
-
-/**
- *      enable_irq - enable interrupt handling on an irq
- *      @irq: Interrupt to enable
- *
- *      Re-enables the processing of interrupts on this IRQ line.
- *      Note that this may call the interrupt handler, so you may
- *      get unexpected results if you hold IRQs disabled.
- *
- *      This function may be called from IRQ context.
- */
-void enable_irq(unsigned int irq)
-{
-        struct irqdesc *desc = irq_desc + irq;
-        unsigned long flags;
-
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        if (unlikely(!desc->disable_depth)) {
-                printk("enable_irq(%u) unbalanced from %p\n", irq,
-                        __builtin_return_address(0));
-        } else if (!--desc->disable_depth) {
-                desc->probing = 0;
-                desc->chip->unmask(irq);
-
-                /*
-                 * If the interrupt is waiting to be processed,
-                 * try to re-run it.  We can't directly run it
-                 * from here since the caller might be in an
-                 * interrupt-protected region.
-                 */
-                if (desc->pending && list_empty(&desc->pend)) {
-                        desc->pending = 0;
-                        if (!desc->chip->retrigger ||
-                            desc->chip->retrigger(irq))
-                                list_add(&desc->pend, &irq_pending);
-                }
-        }
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-}
-EXPORT_SYMBOL(enable_irq);
-
-/*
- * Enable wake on selected irq
- */
-void enable_irq_wake(unsigned int irq)
-{
-        struct irqdesc *desc = irq_desc + irq;
-        unsigned long flags;
-
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        if (desc->chip->set_wake)
-                desc->chip->set_wake(irq, 1);
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-}
-EXPORT_SYMBOL(enable_irq_wake);
-
-void disable_irq_wake(unsigned int irq)
-{
-        struct irqdesc *desc = irq_desc + irq;
-        unsigned long flags;
-
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        if (desc->chip->set_wake)
-                desc->chip->set_wake(irq, 0);
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-}
-EXPORT_SYMBOL(disable_irq_wake);
+void (*init_arch_irq)(void) __initdata = NULL;
+unsigned long irq_err_count;
 
 int show_interrupts(struct seq_file *p, void *v)
 {
@@ -242,8 +69,8 @@ int show_interrupts(struct seq_file *p, void *v)
         }
 
         if (i < NR_IRQS) {
-                spin_lock_irqsave(&irq_controller_lock, flags);
-                action = irq_desc[i].action;
+                spin_lock_irqsave(&irq_desc[i].lock, flags);
+                action = irq_desc[i].action;
                 if (!action)
                         goto unlock;
 
@@ -256,7 +83,7 @@ int show_interrupts(struct seq_file *p, void *v)
 
                 seq_putc(p, '\n');
 unlock:
-                spin_unlock_irqrestore(&irq_controller_lock, flags);
+                spin_unlock_irqrestore(&irq_desc[i].lock, flags);
         } else if (i == NR_IRQS) {
 #ifdef CONFIG_ARCH_ACORN
                 show_fiq_list(p, v);
@@ -270,267 +97,11 @@ unlock:
         return 0;
 }
 
-/*
- * IRQ lock detection.
- *
- * Hopefully, this should get us out of a few locked situations.
- * However, it may take a while for this to happen, since we need
- * a large number if IRQs to appear in the same jiffie with the
- * same instruction pointer (or within 2 instructions).
- */
-static int check_irq_lock(struct irqdesc *desc, int irq, struct pt_regs *regs)
-{
-        unsigned long instr_ptr = instruction_pointer(regs);
-
-        if (desc->lck_jif == jiffies &&
-            desc->lck_pc >= instr_ptr && desc->lck_pc < instr_ptr + 8) {
-                desc->lck_cnt += 1;
-
-                if (desc->lck_cnt > MAX_IRQ_CNT) {
-                        printk(KERN_ERR "IRQ LOCK: IRQ%d is locking the system, disabled\n", irq);
-                        return 1;
-                }
-        } else {
-                desc->lck_cnt = 0;
-                desc->lck_pc  = instruction_pointer(regs);
-                desc->lck_jif = jiffies;
-        }
-        return 0;
-}
-
-static void
-report_bad_irq(unsigned int irq, struct pt_regs *regs, struct irqdesc *desc, int ret)
-{
-        static int count = 100;
-        struct irqaction *action;
-
-        if (noirqdebug)
-                return;
-
-        if (ret != IRQ_HANDLED && ret != IRQ_NONE) {
-                if (!count)
-                        return;
-                count--;
-                printk("irq%u: bogus retval mask %x\n", irq, ret);
-        } else {
-                desc->irqs_unhandled++;
-                if (desc->irqs_unhandled <= 99900)
-                        return;
-                desc->irqs_unhandled = 0;
-                printk("irq%u: nobody cared\n", irq);
-        }
-        show_regs(regs);
-        dump_stack();
-        printk(KERN_ERR "handlers:");
-        action = desc->action;
-        do {
-                printk("\n" KERN_ERR "[<%p>]", action->handler);
-                print_symbol(" (%s)", (unsigned long)action->handler);
-                action = action->next;
-        } while (action);
-        printk("\n");
-}
-
-static int
-__do_irq(unsigned int irq, struct irqaction *action, struct pt_regs *regs)
-{
-        unsigned int status;
-        int ret, retval = 0;
-
-        spin_unlock(&irq_controller_lock);
-
-#ifdef CONFIG_NO_IDLE_HZ
-        if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) {
-                spin_lock(&system_timer->dyn_tick->lock);
-                if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)
-                        system_timer->dyn_tick->handler(irq, 0, regs);
-                spin_unlock(&system_timer->dyn_tick->lock);
-        }
-#endif
-
-        if (!(action->flags & SA_INTERRUPT))
-                local_irq_enable();
-
-        status = 0;
-        do {
-                ret = action->handler(irq, action->dev_id, regs);
-                if (ret == IRQ_HANDLED)
-                        status |= action->flags;
-                retval |= ret;
-                action = action->next;
-        } while (action);
-
-        if (status & SA_SAMPLE_RANDOM)
-                add_interrupt_randomness(irq);
-
-        spin_lock_irq(&irq_controller_lock);
-
-        return retval;
-}
-
-/*
- * This is for software-decoded IRQs.  The caller is expected to
- * handle the ack, clear, mask and unmask issues.
- */
-void
-do_simple_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
-{
-        struct irqaction *action;
-        const unsigned int cpu = smp_processor_id();
-
-        desc->triggered = 1;
-
-        kstat_cpu(cpu).irqs[irq]++;
-
-        smp_set_running(desc);
-
-        action = desc->action;
-        if (action) {
-                int ret = __do_irq(irq, action, regs);
-                if (ret != IRQ_HANDLED)
-                        report_bad_irq(irq, regs, desc, ret);
-        }
-
-        smp_clear_running(desc);
-}
-
-/*
- * Most edge-triggered IRQ implementations seem to take a broken
- * approach to this.  Hence the complexity.
- */
-void
-do_edge_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
-{
-        const unsigned int cpu = smp_processor_id();
-
-        desc->triggered = 1;
-
-        /*
-         * If we're currently running this IRQ, or its disabled,
-         * we shouldn't process the IRQ.  Instead, turn on the
-         * hardware masks.
-         */
-        if (unlikely(desc->running || desc->disable_depth))
-                goto running;
-
-        /*
-         * Acknowledge and clear the IRQ, but don't mask it.
-         */
-        desc->chip->ack(irq);
-
-        /*
-         * Mark the IRQ currently in progress.
-         */
-        desc->running = 1;
-
-        kstat_cpu(cpu).irqs[irq]++;
-
-        do {
-                struct irqaction *action;
-
-                action = desc->action;
-                if (!action)
-                        break;
-
-                if (desc->pending && !desc->disable_depth) {
-                        desc->pending = 0;
-                        desc->chip->unmask(irq);
-                }
-
-                __do_irq(irq, action, regs);
-        } while (desc->pending && !desc->disable_depth);
-
-        desc->running = 0;
-
-        /*
-         * If we were disabled or freed, shut down the handler.
-         */
-        if (likely(desc->action && !check_irq_lock(desc, irq, regs)))
-                return;
-
- running:
-        /*
-         * We got another IRQ while this one was masked or
-         * currently running.  Delay it.
-         */
-        desc->pending = 1;
-        desc->chip->mask(irq);
-        desc->chip->ack(irq);
-}
-
-/*
- * Level-based IRQ handler.  Nice and simple.
- */
-void
-do_level_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
-{
-        struct irqaction *action;
-        const unsigned int cpu = smp_processor_id();
-
-        desc->triggered = 1;
-
-        /*
-         * Acknowledge, clear _AND_ disable the interrupt.
-         */
-        desc->chip->ack(irq);
-
-        if (likely(!desc->disable_depth)) {
-                kstat_cpu(cpu).irqs[irq]++;
-
-                smp_set_running(desc);
-
-                /*
-                 * Return with this interrupt masked if no action
-                 */
-                action = desc->action;
-                if (action) {
-                        int ret = __do_irq(irq, desc->action, regs);
-
-                        if (ret != IRQ_HANDLED)
-                                report_bad_irq(irq, regs, desc, ret);
-
-                        if (likely(!desc->disable_depth &&
-                                   !check_irq_lock(desc, irq, regs)))
-                                desc->chip->unmask(irq);
-                }
-
-                smp_clear_running(desc);
-        }
-}
-
-static void do_pending_irqs(struct pt_regs *regs)
-{
-        struct list_head head, *l, *n;
-
-        do {
-                struct irqdesc *desc;
-
-                /*
-                 * First, take the pending interrupts off the list.
-                 * The act of calling the handlers may add some IRQs
-                 * back onto the list.
-                 */
-                head = irq_pending;
-                INIT_LIST_HEAD(&irq_pending);
-                head.next->prev = &head;
-                head.prev->next = &head;
-
-                /*
-                 * Now run each entry.  We must delete it from our
-                 * list before calling the handler.
-                 */
-                list_for_each_safe(l, n, &head) {
-                        desc = list_entry(l, struct irqdesc, pend);
-                        list_del_init(&desc->pend);
-                        desc_handle_irq(desc - irq_desc, desc, regs);
-                }
-
-                /*
-                 * The list must be empty.
-                 */
-                BUG_ON(!list_empty(&head));
-        } while (!list_empty(&irq_pending));
-}
+/* Handle bad interrupts */
+static struct irq_desc bad_irq_desc = {
+        .handle_irq = handle_bad_irq,
+        .lock = SPIN_LOCK_UNLOCKED
+};
 
 /*
  * do_IRQ handles all hardware IRQ's.  Decoded IRQs should not
@@ -549,96 +120,15 @@ asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
                 desc = &bad_irq_desc;
 
         irq_enter();
-        spin_lock(&irq_controller_lock);
-        desc_handle_irq(irq, desc, regs);
 
-        /*
-         * Now re-run any pending interrupts.
-         */
-        if (!list_empty(&irq_pending))
-                do_pending_irqs(regs);
+        desc_handle_irq(irq, desc, regs);
 
+        /* AT91 specific workaround */
         irq_finish(irq);
 
-        spin_unlock(&irq_controller_lock);
         irq_exit();
 }
 
-void __set_irq_handler(unsigned int irq, irq_handler_t handle, int is_chained)
-{
-        struct irqdesc *desc;
-        unsigned long flags;
-
-        if (irq >= NR_IRQS) {
-                printk(KERN_ERR "Trying to install handler for IRQ%d\n", irq);
-                return;
-        }
-
-        if (handle == NULL)
-                handle = do_bad_IRQ;
-
-        desc = irq_desc + irq;
-
-        if (is_chained && desc->chip == &bad_chip)
-                printk(KERN_WARNING "Trying to install chained handler for IRQ%d\n", irq);
-
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        if (handle == do_bad_IRQ) {
-                desc->chip->mask(irq);
-                desc->chip->ack(irq);
-                desc->disable_depth = 1;
-        }
-        desc->handle = handle;
-        if (handle != do_bad_IRQ && is_chained) {
-                desc->valid = 0;
-                desc->probe_ok = 0;
-                desc->disable_depth = 0;
-                desc->chip->unmask(irq);
-        }
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-}
-
-void set_irq_chip(unsigned int irq, struct irqchip *chip)
-{
-        struct irqdesc *desc;
-        unsigned long flags;
-
-        if (irq >= NR_IRQS) {
-                printk(KERN_ERR "Trying to install chip for IRQ%d\n", irq);
-                return;
-        }
-
-        if (chip == NULL)
-                chip = &bad_chip;
-
-        desc = irq_desc + irq;
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        desc->chip = chip;
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-}
-
-int set_irq_type(unsigned int irq, unsigned int type)
-{
-        struct irqdesc *desc;
-        unsigned long flags;
-        int ret = -ENXIO;
-
-        if (irq >= NR_IRQS) {
-                printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq);
-                return -ENODEV;
-        }
-
-        desc = irq_desc + irq;
-        if (desc->chip->set_type) {
-                spin_lock_irqsave(&irq_controller_lock, flags);
-                ret = desc->chip->set_type(irq, type);
-                spin_unlock_irqrestore(&irq_controller_lock, flags);
-        }
-
-        return ret;
-}
-EXPORT_SYMBOL(set_irq_type);
-
 void set_irq_flags(unsigned int irq, unsigned int iflags)
 {
         struct irqdesc *desc;
@@ -650,421 +140,32 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
         }
 
         desc = irq_desc + irq;
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        desc->valid = (iflags & IRQF_VALID) != 0;
-        desc->probe_ok = (iflags & IRQF_PROBE) != 0;
-        desc->noautoenable = (iflags & IRQF_NOAUTOEN) != 0;
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-}
-
-int setup_irq(unsigned int irq, struct irqaction *new)
-{
-        int shared = 0;
-        struct irqaction *old, **p;
-        unsigned long flags;
-        struct irqdesc *desc;
-
-        /*
-         * Some drivers like serial.c use request_irq() heavily,
-         * so we have to be careful not to interfere with a
-         * running system.
-         */
-        if (new->flags & SA_SAMPLE_RANDOM) {
-                /*
-                 * This function might sleep, we want to call it first,
-                 * outside of the atomic block.
-                 * Yes, this might clear the entropy pool if the wrong
-                 * driver is attempted to be loaded, without actually
-                 * installing a new handler, but is this really a problem,
-                 * only the sysadmin is able to do this.
-                 */
-                rand_initialize_irq(irq);
-        }
-
-        /*
-         * The following block of code has to be executed atomically
-         */
-        desc = irq_desc + irq;
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        p = &desc->action;
-        if ((old = *p) != NULL) {
-                /*
-                 * Can't share interrupts unless both agree to and are
-                 * the same type.
-                 */
-                if (!(old->flags & new->flags & SA_SHIRQ) ||
-                    (~old->flags & new->flags) & SA_TRIGGER_MASK) {
-                        spin_unlock_irqrestore(&irq_controller_lock, flags);
-                        return -EBUSY;
-                }
-
-                /* add new interrupt at end of irq queue */
-                do {
-                        p = &old->next;
-                        old = *p;
-                } while (old);
-                shared = 1;
-        }
-
-        *p = new;
-
-        if (!shared) {
-                desc->probing = 0;
-                desc->running = 0;
-                desc->pending = 0;
-                desc->disable_depth = 1;
-
-                if (new->flags & SA_TRIGGER_MASK &&
-                    desc->chip->set_type) {
-                        unsigned int type = new->flags & SA_TRIGGER_MASK;
-                        desc->chip->set_type(irq, type);
-                }
-
-                if (!desc->noautoenable) {
-                        desc->disable_depth = 0;
-                        desc->chip->unmask(irq);
-                }
-        }
-
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-        return 0;
-}
-
-/**
- *      request_irq - allocate an interrupt line
- *      @irq: Interrupt line to allocate
- *      @handler: Function to be called when the IRQ occurs
- *      @irqflags: Interrupt type flags
- *      @devname: An ascii name for the claiming device
- *      @dev_id: A cookie passed back to the handler function
- *
- *      This call allocates interrupt resources and enables the
- *      interrupt line and IRQ handling. From the point this
- *      call is made your handler function may be invoked. Since
- *      your handler function must clear any interrupt the board
- *      raises, you must take care both to initialise your hardware
- *      and to set up the interrupt handler in the right order.
- *
- *      Dev_id must be globally unique. Normally the address of the
- *      device data structure is used as the cookie. Since the handler
- *      receives this value it makes sense to use it.
- *
- *      If your interrupt is shared you must pass a non NULL dev_id
- *      as this is required when freeing the interrupt.
- *
- *      Flags:
- *
- *      SA_SHIRQ                Interrupt is shared
- *
- *      SA_INTERRUPT            Disable local interrupts while processing
- *
- *      SA_SAMPLE_RANDOM        The interrupt can be used for entropy
- *
- */
-int request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *),
-                 unsigned long irq_flags, const char * devname, void *dev_id)
-{
-        unsigned long retval;
-        struct irqaction *action;
-
-        if (irq >= NR_IRQS || !irq_desc[irq].valid || !handler ||
-            (irq_flags & SA_SHIRQ && !dev_id))
-                return -EINVAL;
-
-        action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL);
-        if (!action)
-                return -ENOMEM;
-
-        action->handler = handler;
-        action->flags = irq_flags;
-        cpus_clear(action->mask);
-        action->name = devname;
-        action->next = NULL;
-        action->dev_id = dev_id;
-
-        retval = setup_irq(irq, action);
-
-        if (retval)
-                kfree(action);
-        return retval;
-}
-
-EXPORT_SYMBOL(request_irq);
-
-/**
- *      free_irq - free an interrupt
- *      @irq: Interrupt line to free
- *      @dev_id: Device identity to free
- *
- *      Remove an interrupt handler. The handler is removed and if the
- *      interrupt line is no longer in use by any driver it is disabled.
- *      On a shared IRQ the caller must ensure the interrupt is disabled
- *      on the card it drives before calling this function.
- *
- *      This function must not be called from interrupt context.
- */
-void free_irq(unsigned int irq, void *dev_id)
-{
-        struct irqaction * action, **p;
-        unsigned long flags;
-
-        if (irq >= NR_IRQS || !irq_desc[irq].valid) {
-                printk(KERN_ERR "Trying to free IRQ%d\n",irq);
-                dump_stack();
-                return;
-        }
-
-        spin_lock_irqsave(&irq_controller_lock, flags);
-        for (p = &irq_desc[irq].action; (action = *p) != NULL; p = &action->next) {
-                if (action->dev_id != dev_id)
-                        continue;
-
-                /* Found it - now free it */
-                *p = action->next;
-                break;
-        }
-        spin_unlock_irqrestore(&irq_controller_lock, flags);
-
-        if (!action) {
-                printk(KERN_ERR "Trying to free free IRQ%d\n",irq);
-                dump_stack();
-        } else {
-                synchronize_irq(irq);
-                kfree(action);
-        }
-}
-
-EXPORT_SYMBOL(free_irq);
-
-static DECLARE_MUTEX(probe_sem);
-
-/* Start the interrupt probing.  Unlike other architectures,
- * we don't return a mask of interrupts from probe_irq_on,
- * but return the number of interrupts enabled for the probe.
- * The interrupts which have been enabled for probing is
- * instead recorded in the irq_desc structure.
- */
-unsigned long probe_irq_on(void)
-{
-        unsigned int i, irqs = 0;
-        unsigned long delay;
-
-        down(&probe_sem);
-
-        /*
-         * first snaffle up any unassigned but
-         * probe-able interrupts
-         */
-        spin_lock_irq(&irq_controller_lock);
-        for (i = 0; i < NR_IRQS; i++) {
-                if (!irq_desc[i].probe_ok || irq_desc[i].action)
-                        continue;
-
-                irq_desc[i].probing = 1;
-                irq_desc[i].triggered = 0;
-                if (irq_desc[i].chip->set_type)
-                        irq_desc[i].chip->set_type(i, IRQT_PROBE);
-                irq_desc[i].chip->unmask(i);
-                irqs += 1;
-        }
-        spin_unlock_irq(&irq_controller_lock);
-
-        /*
-         * wait for spurious interrupts to mask themselves out again
-         */
-        for (delay = jiffies + HZ/10; time_before(jiffies, delay); )
-                /* min 100ms delay */;
-
-        /*
-         * now filter out any obviously spurious interrupts
-         */
-        spin_lock_irq(&irq_controller_lock);
-        for (i = 0; i < NR_IRQS; i++) {
-                if (irq_desc[i].probing && irq_desc[i].triggered) {
-                        irq_desc[i].probing = 0;
-                        irqs -= 1;
-                }
-        }
-        spin_unlock_irq(&irq_controller_lock);
-
-        return irqs;
-}
-
-EXPORT_SYMBOL(probe_irq_on);
-
-unsigned int probe_irq_mask(unsigned long irqs)
-{
-        unsigned int mask = 0, i;
-
-        spin_lock_irq(&irq_controller_lock);
-        for (i = 0; i < 16 && i < NR_IRQS; i++)
-                if (irq_desc[i].probing && irq_desc[i].triggered)
-                        mask |= 1 << i;
-        spin_unlock_irq(&irq_controller_lock);
-
-        up(&probe_sem);
-
-        return mask;
-}
-EXPORT_SYMBOL(probe_irq_mask);
-
-/*
- * Possible return values:
- *  >= 0 - interrupt number
- *    -1 - no interrupt/many interrupts
- */
-int probe_irq_off(unsigned long irqs)
-{
-        unsigned int i;
-        int irq_found = NO_IRQ;
-
-        /*
-         * look at the interrupts, and find exactly one
-         * that we were probing has been triggered
-         */
-        spin_lock_irq(&irq_controller_lock);
-        for (i = 0; i < NR_IRQS; i++) {
-                if (irq_desc[i].probing &&
-                    irq_desc[i].triggered) {
-                        if (irq_found != NO_IRQ) {
-                                irq_found = NO_IRQ;
-                                goto out;
-                        }
-                        irq_found = i;
-                }
-        }
-
-        if (irq_found == -1)
-                irq_found = NO_IRQ;
-out:
-        spin_unlock_irq(&irq_controller_lock);
-
-        up(&probe_sem);
-
-        return irq_found;
-}
-
-EXPORT_SYMBOL(probe_irq_off);
-
-#ifdef CONFIG_SMP
-static void route_irq(struct irqdesc *desc, unsigned int irq, unsigned int cpu)
-{
-        pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->cpu, cpu);
-
-        spin_lock_irq(&irq_controller_lock);
-        desc->cpu = cpu;
-        desc->chip->set_cpu(desc, irq, cpu);
-        spin_unlock_irq(&irq_controller_lock);
-}
-
-#ifdef CONFIG_PROC_FS
-static int
-irq_affinity_read_proc(char *page, char **start, off_t off, int count,
-                       int *eof, void *data)
-{
-        struct irqdesc *desc = irq_desc + ((int)data);
-        int len = cpumask_scnprintf(page, count, desc->affinity);
-
-        if (count - len < 2)
-                return -EINVAL;
-        page[len++] = '\n';
-        page[len] = '\0';
-
-        return len;
-}
-
-static int
-irq_affinity_write_proc(struct file *file, const char __user *buffer,
-                        unsigned long count, void *data)
-{
-        unsigned int irq = (unsigned int)data;
-        struct irqdesc *desc = irq_desc + irq;
-        cpumask_t affinity, tmp;
-        int ret = -EIO;
-
-        if (!desc->chip->set_cpu)
-                goto out;
-
-        ret = cpumask_parse(buffer, count, affinity);
-        if (ret)
-                goto out;
-
-        cpus_and(tmp, affinity, cpu_online_map);
-        if (cpus_empty(tmp)) {
-                ret = -EINVAL;
-                goto out;
-        }
-
-        desc->affinity = affinity;
-        route_irq(desc, irq, first_cpu(tmp));
-        ret = count;
-
- out:
-        return ret;
-}
-#endif
-#endif
-
-void __init init_irq_proc(void)
-{
-#if defined(CONFIG_SMP) && defined(CONFIG_PROC_FS)
-        struct proc_dir_entry *dir;
-        int irq;
-
-        dir = proc_mkdir("irq", NULL);
-        if (!dir)
-                return;
-
-        for (irq = 0; irq < NR_IRQS; irq++) {
-                struct proc_dir_entry *entry;
-                struct irqdesc *desc;
-                char name[16];
-
-                desc = irq_desc + irq;
-                memset(name, 0, sizeof(name));
-                snprintf(name, sizeof(name) - 1, "%u", irq);
-
-                desc->procdir = proc_mkdir(name, dir);
-                if (!desc->procdir)
-                        continue;
-
-                entry = create_proc_entry("smp_affinity", 0600, desc->procdir);
-                if (entry) {
-                        entry->nlink = 1;
-                        entry->data = (void *)irq;
-                        entry->read_proc = irq_affinity_read_proc;
-                        entry->write_proc = irq_affinity_write_proc;
-                }
-        }
-#endif
+        spin_lock_irqsave(&desc->lock, flags);
+        desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
+        if (iflags & IRQF_VALID)
+                desc->status &= ~IRQ_NOREQUEST;
+        if (iflags & IRQF_PROBE)
+                desc->status &= ~IRQ_NOPROBE;
+        if (!(iflags & IRQF_NOAUTOEN))
+                desc->status &= ~IRQ_NOAUTOEN;
+        spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 void __init init_IRQ(void)
 {
-        struct irqdesc *desc;
         int irq;
 
+        for (irq = 0; irq < NR_IRQS; irq++)
+                irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_DELAYED_DISABLE |
+                        IRQ_NOPROBE;
+
 #ifdef CONFIG_SMP
         bad_irq_desc.affinity = CPU_MASK_ALL;
         bad_irq_desc.cpu = smp_processor_id();
 #endif
-
-        for (irq = 0, desc = irq_desc; irq < NR_IRQS; irq++, desc++) {
-                *desc = bad_irq_desc;
-                INIT_LIST_HEAD(&desc->pend);
-        }
-
         init_arch_irq();
 }
 
-static int __init noirqdebug_setup(char *str)
-{
-        noirqdebug = 1;
-        return 1;
-}
-
-__setup("noirqdebug", noirqdebug_setup);
-
 #ifdef CONFIG_HOTPLUG_CPU
 /*
  * The CPU has been marked offline.  Migrate IRQs off this CPU.  If
diff --git a/arch/arm/kernel/iwmmxt-notifier.c b/arch/arm/kernel/iwmmxt-notifier.c
new file mode 100644
index 000000000000..44a86c33796e
--- /dev/null
+++ b/arch/arm/kernel/iwmmxt-notifier.c
@@ -0,0 +1,64 @@
+/*
+ *  linux/arch/arm/kernel/iwmmxt-notifier.c
+ *
+ *  XScale iWMMXt (Concan) context switching and handling
+ *
+ *  Initial code:
+ *  Copyright (c) 2003, Intel Corporation
+ *
+ *  Full lazy switching support, optimizations and more, by Nicolas Pitre
+ *  Copyright (c) 2003-2004, MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <asm/thread_notify.h>
+#include <asm/io.h>
+
+static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t)
+{
+        struct thread_info *thread = t;
+
+        switch (cmd) {
+        case THREAD_NOTIFY_FLUSH:
+                /*
+                 * flush_thread() zeroes thread->fpstate, so no need
+                 * to do anything here.
+                 *
+                 * FALLTHROUGH: Ensure we don't try to overwrite our newly
+                 * initialised state information on the first fault.
+                 */
+
+        case THREAD_NOTIFY_RELEASE:
+                iwmmxt_task_release(thread);
+                break;
+
+        case THREAD_NOTIFY_SWITCH:
+                iwmmxt_task_switch(thread);
+                break;
+        }
+
+        return NOTIFY_DONE;
+}
+
+static struct notifier_block iwmmxt_notifier_block = {
+        .notifier_call  = iwmmxt_do,
+};
+
+static int __init iwmmxt_init(void)
+{
+        thread_register_notifier(&iwmmxt_notifier_block);
+
+        return 0;
+}
+
+late_initcall(iwmmxt_init);
diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S
index a3bae95e536c..b63b528f22a6 100644
--- a/arch/arm/kernel/iwmmxt.S
+++ b/arch/arm/kernel/iwmmxt.S
@@ -271,30 +271,27 @@ ENTRY(iwmmxt_task_restore)
 /*
  * Concan handling on task switch
  *
- * r0 = previous task_struct pointer (must be preserved)
- * r1 = previous thread_info pointer
- * r2 = next thread_info pointer (must be preserved)
+ * r0 = next thread_info pointer
  *
- * Called only from __switch_to with task preemption disabled.
- * No need to care about preserving r4 and above.
+ * Called only from the iwmmxt notifier with task preemption disabled.
  */
 ENTRY(iwmmxt_task_switch)
 
-        mrc     p15, 0, r4, c15, c1, 0
-        tst     r4, #0x3                        @ CP0 and CP1 accessible?
+        mrc     p15, 0, r1, c15, c1, 0
+        tst     r1, #0x3                        @ CP0 and CP1 accessible?
         bne     1f                              @ yes: block them for next task
 
-        ldr     r5, =concan_owner
-        add     r6, r2, #TI_IWMMXT_STATE        @ get next task Concan save area
-        ldr     r5, [r5]                        @ get current Concan owner
-        teq     r5, r6                          @ next task owns it?
+        ldr     r2, =concan_owner
+        add     r3, r0, #TI_IWMMXT_STATE        @ get next task Concan save area
+        ldr     r2, [r2]                        @ get current Concan owner
+        teq     r2, r3                          @ next task owns it?
         movne   pc, lr                          @ no: leave Concan disabled
 
-1:      eor     r4, r4, #3                      @ flip Concan access
-        mcr     p15, 0, r4, c15, c1, 0
+1:      eor     r1, r1, #3                      @ flip Concan access
+        mcr     p15, 0, r1, c15, c1, 0
 
-        mrc     p15, 0, r4, c2, c0, 0
-        sub     pc, lr, r4, lsr #32             @ cpwait and return
+        mrc     p15, 0, r1, c2, c0, 0
+        sub     pc, lr, r1, lsr #32             @ cpwait and return
 
 /*
  * Remove Concan ownership of given task
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index c3258b763c5d..3079535afccd 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -352,9 +352,6 @@ void flush_thread(void)
         memset(&thread->fpstate, 0, sizeof(union fp_state));
 
         thread_notify(THREAD_NOTIFY_FLUSH, thread);
-#if defined(CONFIG_IWMMXT)
-        iwmmxt_task_release(thread);
-#endif
 }
 
 void release_thread(struct task_struct *dead_task)
@@ -362,9 +359,6 @@ void release_thread(struct task_struct *dead_task)
         struct thread_info *thread = task_thread_info(dead_task);
 
         thread_notify(THREAD_NOTIFY_RELEASE, thread);
-#if defined(CONFIG_IWMMXT)
-        iwmmxt_task_release(thread);
-#endif
 }
 
 asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 7447a1987322..ed1c4d62d999 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -344,9 +344,9 @@ static void __init setup_processor(void)
         cpu_cache = *list->cache;
 #endif
 
-        printk("CPU: %s [%08x] revision %d (ARMv%s)\n",
+        printk("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
                cpu_name, processor_id, (int)processor_id & 15,
-               proc_arch[cpu_architecture()]);
+               proc_arch[cpu_architecture()], cr_alignment);
 
         sprintf(system_utsname.machine, "%s%c", list->arch_name, ENDIANNESS);
         sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);
diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c
index aa01d6753d6e..baa997c857dc 100644
--- a/arch/arm/mach-aaec2000/core.c
+++ b/arch/arm/mach-aaec2000/core.c
@@ -142,7 +142,7 @@ aaec2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction aaec2000_timer_irq = {
         .name           = "AAEC-2000 Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = aaec2000_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-at91rm9200/Kconfig b/arch/arm/mach-at91rm9200/Kconfig
index 70d402f76ce5..2f85e8693b1b 100644
--- a/arch/arm/mach-at91rm9200/Kconfig
+++ b/arch/arm/mach-at91rm9200/Kconfig
@@ -1,6 +1,21 @@
-if ARCH_AT91RM9200
+if ARCH_AT91
+
+menu "Atmel AT91 System-on-Chip"
+
+comment "Atmel AT91 Processors"
+
+config ARCH_AT91RM9200
+        bool "AT91RM9200"
 
-menu "AT91RM9200 Implementations"
+config ARCH_AT91SAM9260
+        bool "AT91SAM9260"
+
+config ARCH_AT91SAM9261
+        bool "AT91SAM9261"
+
+# ----------------------------------------------------------
+
+if ARCH_AT91RM9200
 
 comment "AT91RM9200 Board Type"
 
@@ -8,58 +23,87 @@ config MACH_ONEARM
         bool "Ajeco 1ARM Single Board Computer"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using Ajeco's 1ARM Single Board Computer
+          Select this if you are using Ajeco's 1ARM Single Board Computer.
+          <http://www.ajeco.fi/products.htm>
 
 config ARCH_AT91RM9200DK
         bool "Atmel AT91RM9200-DK Development board"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using Atmel's AT91RM9200-DK Development board
+          Select this if you are using Atmel's AT91RM9200-DK Development board.
+          (Discontinued)
+
 
 config MACH_AT91RM9200EK
         bool "Atmel AT91RM9200-EK Evaluation Kit"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using Atmel's AT91RM9200-EK Evaluation Kit
+          Select this if you are using Atmel's AT91RM9200-EK Evaluation Kit.
+          <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3507>
 
 config MACH_CSB337
-        bool "Cogent CSB337 board"
+        bool "Cogent CSB337"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using Cogent's CSB337 board
+          Select this if you are using Cogent's CSB337 board.
+          <http://www.cogcomp.com/csb_csb337.htm>
 
 config MACH_CSB637
-        bool "Cogent CSB637 board"
+        bool "Cogent CSB637"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using Cogent's CSB637 board
+          Select this if you are using Cogent's CSB637 board.
+          <http://www.cogcomp.com/csb_csb637.htm>
 
 config MACH_CARMEVA
-        bool "Conitec's ARM&EVA"
+        bool "Conitec ARM&EVA"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using Conitec's AT91RM9200-MCU-Module
+          Select this if you are using Conitec's AT91RM9200-MCU-Module.
+          <http://www.conitec.net/english/linuxboard.htm>
 
-config MACH_KB9200
-        bool "KwikByte's KB920x"
+config MACH_ATEB9200
+        bool "Embest ATEB9200"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using KwikByte's KB920x board
+          Select this if you are using Embest's ATEB9200 board.
+          <http://www.embedinfo.com/english/product/ATEB9200.asp>
 
-config MACH_ATEB9200
-        bool "Embest's ATEB9200"
+config MACH_KB9200
+        bool "KwikByte KB920x"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using Embest's ATEB9200 board
+          Select this if you are using KwikByte's KB920x board.
+          <http://kwikbyte.com/KB9202_description_new.htm>
 
 config MACH_KAFA
         bool "Sperry-Sun KAFA board"
         depends on ARCH_AT91RM9200
         help
-          Select this if you are using Sperry-Sun's KAFA board
+          Select this if you are using Sperry-Sun's KAFA board.
+
+endif
+
+# ----------------------------------------------------------
+
+if ARCH_AT91SAM9260
+
+comment "AT91SAM9260 Board Type"
+
+endif
+
+# ----------------------------------------------------------
+
+if ARCH_AT91SAM9261
+
+comment "AT91SAM9261 Board Type"
+
+endif
+
 
+# ----------------------------------------------------------
 
-comment "AT91RM9200 Feature Selections"
+comment "AT91 Feature Selections"
 
 config AT91_PROGRAMMABLE_CLOCKS
         bool "Programmable Clocks"
diff --git a/arch/arm/mach-at91rm9200/Makefile b/arch/arm/mach-at91rm9200/Makefile
index 82db957322df..c174805c24e5 100644
--- a/arch/arm/mach-at91rm9200/Makefile
+++ b/arch/arm/mach-at91rm9200/Makefile
@@ -2,14 +2,19 @@
 # Makefile for the linux kernel.
 #
 
-obj-y           := clock.o irq.o time.o gpio.o common.o devices.o
+obj-y           := clock.o irq.o gpio.o devices.o
 obj-m           :=
 obj-n           :=
 obj-            :=
 
 obj-$(CONFIG_PM)                += pm.o
 
-# Board-specific support
+# CPU-specific support
+obj-$(CONFIG_ARCH_AT91RM9200)   += at91rm9200.o at91rm9200_time.o
+obj-$(CONFIG_ARCH_AT91SAM9260)  +=
+obj-$(CONFIG_ARCH_AT91SAM9261)  +=
+
+# AT91RM9200 Board-specific support
 obj-$(CONFIG_MACH_ONEARM)       += board-1arm.o
 obj-$(CONFIG_ARCH_AT91RM9200DK) += board-dk.o
 obj-$(CONFIG_MACH_AT91RM9200EK) += board-ek.o
@@ -20,6 +25,10 @@ obj-$(CONFIG_MACH_KB9200)	+= board-kb9202.o
 obj-$(CONFIG_MACH_ATEB9200)     += board-eb9200.o
 obj-$(CONFIG_MACH_KAFA)         += board-kafa.o
 
+# AT91SAM9260 board-specific support
+
+# AT91SAM9261 board-specific support
+
 # LEDs support
 led-$(CONFIG_ARCH_AT91RM9200DK) += leds.o
 led-$(CONFIG_MACH_AT91RM9200EK) += leds.o
diff --git a/arch/arm/mach-at91rm9200/common.c b/arch/arm/mach-at91rm9200/at91rm9200.c
index cc55f4c28d95..7e1d072bdd80 100644
--- a/arch/arm/mach-at91rm9200/common.c
+++ b/arch/arm/mach-at91rm9200/at91rm9200.c
@@ -1,5 +1,5 @@
 /*
- * arch/arm/mach-at91rm9200/common.c
+ * arch/arm/mach-at91rm9200/at91rm9200.c
  *
  *  Copyright (C) 2005 SAN People
  *
diff --git a/arch/arm/mach-at91rm9200/time.c b/arch/arm/mach-at91rm9200/at91rm9200_time.c
index f2f080350ccb..a92a8622c78a 100644
--- a/arch/arm/mach-at91rm9200/time.c
+++ b/arch/arm/mach-at91rm9200/at91rm9200_time.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-at91rm9200/time.c
+ * linux/arch/arm/mach-at91rm9200/at91rm9200_time.c
  *
  *  Copyright (C) 2003 SAN People
  *  Copyright (C) 2003 ATMEL
@@ -21,13 +21,13 @@
 
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/time.h>
 
 #include <asm/hardware.h>
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/mach/time.h>
 
 static unsigned long last_crtr;
@@ -85,7 +85,7 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id, struct pt_r
 
 static struct irqaction at91rm9200_timer_irq = {
         .name           = "at91_tick",
-        .flags          = SA_SHIRQ | SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER,
         .handler        = at91rm9200_timer_interrupt
 };
 
diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c
index 83c34747087b..5783c282ae7b 100644
--- a/arch/arm/mach-at91rm9200/gpio.c
+++ b/arch/arm/mach-at91rm9200/gpio.c
@@ -10,12 +10,13 @@
  */
 
 #include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/module.h>
 
 #include <asm/io.h>
-#include <asm/mach/irq.h>
 #include <asm/hardware.h>
 #include <asm/arch/gpio.h>
 
@@ -340,7 +341,7 @@ static void gpio_irq_handler(unsigned irq, struct irqdesc *desc, struct pt_regs
         void __iomem    *pio;
         u32             isr;
 
-        pio = desc->base;
+        pio = get_irq_chip_data(irq);
 
         /* temporarily mask (level sensitive) parent IRQ */
         desc->chip->ack(irq);
@@ -350,12 +351,12 @@ static void gpio_irq_handler(unsigned irq, struct irqdesc *desc, struct pt_regs
                 if (!isr)
                         break;
 
-                pin = (unsigned) desc->data;
+                pin = (unsigned) get_irq_data(irq);
                 gpio = &irq_desc[pin];
 
                 while (isr) {
                         if (isr & 1) {
-                                if (unlikely(gpio->disable_depth)) {
+                                if (unlikely(gpio->depth)) {
                                         /*
                                          * The core ARM interrupt handler lazily disables IRQs so
                                          * another IRQ must be generated before it actually gets
@@ -364,7 +365,7 @@ static void gpio_irq_handler(unsigned irq, struct irqdesc *desc, struct pt_regs
                                         gpio_irq_mask(pin);
                                 }
                                 else
-                                        gpio->handle(pin, gpio, regs);
+                                        desc_handle_irq(pin, gpio, regs);
                         }
                         pin++;
                         gpio++;
diff --git a/arch/arm/mach-clps711x/time.c b/arch/arm/mach-clps711x/time.c
index 1a23f0dcd4b8..a071eac4a30a 100644
--- a/arch/arm/mach-clps711x/time.c
+++ b/arch/arm/mach-clps711x/time.c
@@ -19,6 +19,7 @@
 #include <linux/timex.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/sched.h>
 
 #include <asm/hardware.h>
@@ -57,7 +58,7 @@ p720t_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction clps711x_timer_irq = {
         .name           = "CLPS711x Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = p720t_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c
index 5b12cab0e691..92eaebdd5606 100644
--- a/arch/arm/mach-clps7500/core.c
+++ b/arch/arm/mach-clps7500/core.c
@@ -9,6 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/list.h>
 #include <linux/sched.h>
 #include <linux/init.h>
@@ -315,7 +316,7 @@ clps7500_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction clps7500_timer_irq = {
         .name           = "CLPS7500 Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = clps7500_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 6d620d8268cc..70dd12ef3c40 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -199,7 +199,7 @@ ebsa110_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction ebsa110_timer_irq = {
         .name           = "EBSA110 Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = ebsa110_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
index e15e4c54a253..f1b740083aee 100644
--- a/arch/arm/mach-ep93xx/Kconfig
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -9,12 +9,24 @@ config CRUNCH
 
 comment "EP93xx Platforms"
 
+config MACH_EDB9302
+        bool "Support Cirrus Logic EDB9302"
+        help
+          Say 'Y' here if you want your kernel to support the Cirrus
+          Logic EDB9302 Evaluation Board.
+
 config MACH_EDB9315
         bool "Support Cirrus Logic EDB9315"
         help
           Say 'Y' here if you want your kernel to support the Cirrus
           Logic EDB9315 Evaluation Board.
 
+config MACH_EDB9315A
+        bool "Support Cirrus Logic EDB9315A"
+        help
+          Say 'Y' here if you want your kernel to support the Cirrus
+          Logic EDB9315A Evaluation Board.
+
 config MACH_GESBC9312
         bool "Support Glomation GESBC-9312-sx"
         help
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
index dfa7e2e8a18b..1f5a6b0487ee 100644
--- a/arch/arm/mach-ep93xx/Makefile
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -6,6 +6,8 @@ obj-m			:=
 obj-n                   :=
 obj-                    :=
 
+obj-$(CONFIG_MACH_EDB9302)      += edb9302.o
 obj-$(CONFIG_MACH_EDB9315)      += edb9315.o
+obj-$(CONFIG_MACH_EDB9315A)     += edb9315a.o
 obj-$(CONFIG_MACH_GESBC9312)    += gesbc9312.o
 obj-$(CONFIG_MACH_TS72XX)       += ts72xx.o
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 26df3b666b56..a87a784b9201 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -116,7 +116,7 @@ static int ep93xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction ep93xx_timer_irq = {
         .name           = "ep93xx timer",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = ep93xx_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-ep93xx/edb9302.c b/arch/arm/mach-ep93xx/edb9302.c
new file mode 100644
index 000000000000..62a8efd23256
--- /dev/null
+++ b/arch/arm/mach-ep93xx/edb9302.c
@@ -0,0 +1,62 @@
+/*
+ * arch/arm/mach-ep93xx/edb9302.c
+ * Cirrus Logic EDB9302 support.
+ *
+ * Copyright (C) 2006 George Kashperko <george@chas.com.ua>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+static struct physmap_flash_data edb9302_flash_data = {
+        .width          = 2,
+};
+
+static struct resource edb9302_flash_resource = {
+        .start          = 0x60000000,
+        .end            = 0x60ffffff,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device edb9302_flash = {
+        .name           = "physmap-flash",
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &edb9302_flash_data,
+        },
+        .num_resources  = 1,
+        .resource       = &edb9302_flash_resource,
+};
+
+static void __init edb9302_init_machine(void)
+{
+        ep93xx_init_devices();
+        platform_device_register(&edb9302_flash);
+}
+
+MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
+        /* Maintainer: George Kashperko <george@chas.com.ua> */
+        .phys_io        = EP93XX_APB_PHYS_BASE,
+        .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
+        .boot_params    = 0x00000100,
+        .map_io         = ep93xx_map_io,
+        .init_irq       = ep93xx_init_irq,
+        .timer          = &ep93xx_timer,
+        .init_machine   = edb9302_init_machine,
+MACHINE_END
diff --git a/arch/arm/mach-ep93xx/edb9315a.c b/arch/arm/mach-ep93xx/edb9315a.c
new file mode 100644
index 000000000000..bfefdaa8f794
--- /dev/null
+++ b/arch/arm/mach-ep93xx/edb9315a.c
@@ -0,0 +1,62 @@
+/*
+ * arch/arm/mach-ep93xx/edb9315a.c
+ * Cirrus Logic EDB9315A support.
+ *
+ * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+static struct physmap_flash_data edb9315a_flash_data = {
+        .width          = 2,
+};
+
+static struct resource edb9315a_flash_resource = {
+        .start          = 0x60000000,
+        .end            = 0x60ffffff,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device edb9315a_flash = {
+        .name           = "physmap-flash",
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &edb9315a_flash_data,
+        },
+        .num_resources  = 1,
+        .resource       = &edb9315a_flash_resource,
+};
+
+static void __init edb9315a_init_machine(void)
+{
+        ep93xx_init_devices();
+        platform_device_register(&edb9315a_flash);
+}
+
+MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
+        /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
+        .phys_io        = EP93XX_APB_PHYS_BASE,
+        .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
+        .boot_params    = 0xc0000100,
+        .map_io         = ep93xx_map_io,
+        .init_irq       = ep93xx_init_irq,
+        .timer          = &ep93xx_timer,
+        .init_machine   = edb9315a_init_machine,
+MACHINE_END
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 14a62d6008fe..2af610811ca4 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -6,6 +6,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/irq.h>
 
@@ -43,7 +44,7 @@ timer1_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static struct irqaction footbridge_timer_irq = {
         .name           = "Timer1 timer tick",
         .handler        = timer1_interrupt,
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
 };
 
 /*
diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index 5dace2597838..607ed1f5b3f8 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -332,15 +332,15 @@ void __init dc21285_preinit(void)
         /*
          * We don't care if these fail.
          */
-        request_irq(IRQ_PCI_SERR, dc21285_serr_irq, SA_INTERRUPT,
+        request_irq(IRQ_PCI_SERR, dc21285_serr_irq, IRQF_DISABLED,
                     "PCI system error", &serr_timer);
-        request_irq(IRQ_PCI_PERR, dc21285_parity_irq, SA_INTERRUPT,
+        request_irq(IRQ_PCI_PERR, dc21285_parity_irq, IRQF_DISABLED,
                     "PCI parity error", &perr_timer);
-        request_irq(IRQ_PCI_ABORT, dc21285_abort_irq, SA_INTERRUPT,
+        request_irq(IRQ_PCI_ABORT, dc21285_abort_irq, IRQF_DISABLED,
                     "PCI abort", NULL);
-        request_irq(IRQ_DISCARD_TIMER, dc21285_discard_irq, SA_INTERRUPT,
+        request_irq(IRQ_DISCARD_TIMER, dc21285_discard_irq, IRQF_DISABLED,
                     "Discard timer", NULL);
-        request_irq(IRQ_PCI_DPERR, dc21285_dparity_irq, SA_INTERRUPT,
+        request_irq(IRQ_PCI_DPERR, dc21285_dparity_irq, IRQF_DISABLED,
                     "PCI data parity", NULL);
 
         if (cfn_mode) {
diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c
index e1c43b331d64..87448c2d6baa 100644
--- a/arch/arm/mach-footbridge/isa-irq.c
+++ b/arch/arm/mach-footbridge/isa-irq.c
@@ -98,9 +98,22 @@ isa_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
         desc_handle_irq(isa_irq, desc, regs);
 }
 
-static struct irqaction irq_cascade = { .handler = no_action, .name = "cascade", };
-static struct resource pic1_resource = { "pic1", 0x20, 0x3f };
-static struct resource pic2_resource = { "pic2", 0xa0, 0xbf };
+static struct irqaction irq_cascade = {
+        .handler = no_action,
+        .name = "cascade",
+};
+
+static struct resource pic1_resource = {
+        .name   = "pic1",
+        .start  = 0x20,
+        .end    = 0x3f,
+};
+
+static struct resource pic2_resource = {
+        .name   = "pic2",
+        .start  = 0xa0,
+        .end    = 0xbf,
+};
 
 void __init isa_init_irq(unsigned int host_irq)
 {
diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c
index c1d74f7ab669..c4810a40c8e1 100644
--- a/arch/arm/mach-footbridge/isa-timer.c
+++ b/arch/arm/mach-footbridge/isa-timer.c
@@ -6,6 +6,7 @@
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -72,7 +73,7 @@ isa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static struct irqaction isa_timer_irq = {
         .name           = "ISA timer tick",
         .handler        = isa_timer_interrupt,
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
 };
 
 static void __init isa_timer_init(void)
diff --git a/arch/arm/mach-h720x/cpu-h7201.c b/arch/arm/mach-h720x/cpu-h7201.c
index af9e4a5d5ea7..a9a8255a3a03 100644
--- a/arch/arm/mach-h720x/cpu-h7201.c
+++ b/arch/arm/mach-h720x/cpu-h7201.c
@@ -41,7 +41,7 @@ h7201_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction h7201_timer_irq = {
         .name           = "h7201 Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = h7201_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-h720x/cpu-h7202.c b/arch/arm/mach-h720x/cpu-h7202.c
index a4a7c0125d03..da678d163fd9 100644
--- a/arch/arm/mach-h720x/cpu-h7202.c
+++ b/arch/arm/mach-h720x/cpu-h7202.c
@@ -171,7 +171,7 @@ static struct irqchip h7202_timerx_chip = {
 
 static struct irqaction h7202_timer_irq = {
         .name           = "h7202 Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = h7202_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c
index 294b1c450f21..6ed7523c65bb 100644
--- a/arch/arm/mach-imx/time.c
+++ b/arch/arm/mach-imx/time.c
@@ -12,6 +12,7 @@
 #include <linux/sched.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/time.h>
 
 #include <asm/hardware.h>
@@ -71,7 +72,7 @@ imx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction imx_timer_irq = {
         .name           = "i.MX Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = imx_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
index 576a5e979c00..42021fdfa0c6 100644
--- a/arch/arm/mach-integrator/core.c
+++ b/arch/arm/mach-integrator/core.c
@@ -13,6 +13,7 @@
 #include <linux/device.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/sched.h>
 #include <linux/smp.h>
 #include <linux/termios.h>
@@ -281,7 +282,7 @@ integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction integrator_timer_irq = {
         .name           = "Integrator Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = integrator_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-integrator/time.c b/arch/arm/mach-integrator/time.c
index bc07f52a6fd7..ee49cf790dab 100644
--- a/arch/arm/mach-integrator/time.c
+++ b/arch/arm/mach-integrator/time.c
@@ -125,7 +125,7 @@ static int rtc_probe(struct amba_device *dev, void *id)
 
         xtime.tv_sec = __raw_readl(rtc_base + RTC_DR);
 
-        ret = request_irq(dev->irq[0], arm_rtc_interrupt, SA_INTERRUPT,
+        ret = request_irq(dev->irq[0], arm_rtc_interrupt, IRQF_DISABLED,
                           "rtc-pl030", dev);
         if (ret)
                 goto map_out;
diff --git a/arch/arm/mach-iop3xx/Kconfig b/arch/arm/mach-iop3xx/Kconfig
index 2bfe8c729f9f..4422f2388607 100644
--- a/arch/arm/mach-iop3xx/Kconfig
+++ b/arch/arm/mach-iop3xx/Kconfig
@@ -30,12 +30,15 @@ config MACH_IQ80332
         select ARCH_IOP331
         help
           Say Y here if you want to run your kernel on the Intel IQ80332
-          evaluation kit for the IOP332 chipset
+          evaluation kit for the IOP332 chipset.
 
 config ARCH_EP80219
-    bool "Enable support for EP80219"
-    select ARCH_IOP321
-    select ARCH_IQ31244
+        bool "Enable support for EP80219"
+        select ARCH_IOP321
+        select ARCH_IQ31244
+        help
+          Say Y here if you want to run your kernel on the Intel EP80219
+          evaluation kit for the Intel 80219 chipset (a IOP321 variant).
 
 # Which IOP variant are we running?
 config ARCH_IOP321
@@ -56,8 +59,8 @@ config IOP331_STEPD
         bool "Chip stepping D of the IOP80331 processor or IOP80333"
         depends on (ARCH_IOP331)
         help
-                  Say Y here if you have StepD of the IOP80331 or IOP8033
-                  based platforms.
+          Say Y here if you have StepD of the IOP80331 or IOP8033
+          based platforms.
 
 endmenu
 endif
diff --git a/arch/arm/mach-iop3xx/iop321-time.c b/arch/arm/mach-iop3xx/iop321-time.c
index d67ac0e5d438..04b1a6f7ebae 100644
--- a/arch/arm/mach-iop3xx/iop321-time.c
+++ b/arch/arm/mach-iop3xx/iop321-time.c
@@ -85,7 +85,7 @@ iop321_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static struct irqaction iop321_timer_irq = {
         .name           = "IOP321 Timer Tick",
         .handler        = iop321_timer_interrupt,
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
 };
 
 static void __init iop321_timer_init(void)
diff --git a/arch/arm/mach-iop3xx/iop331-time.c b/arch/arm/mach-iop3xx/iop331-time.c
index 3c1f0ebbd636..0c09e74c5740 100644
--- a/arch/arm/mach-iop3xx/iop331-time.c
+++ b/arch/arm/mach-iop3xx/iop331-time.c
@@ -82,7 +82,7 @@ iop331_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static struct irqaction iop331_timer_irq = {
         .name           = "IOP331 Timer Tick",
         .handler        = iop331_timer_interrupt,
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
 };
 
 static void __init iop331_timer_init(void)
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index 3cfc5aab8259..7f91f689a041 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -19,6 +19,7 @@
 #include <linux/spinlock.h>
 #include <linux/sched.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/serial.h>
 #include <linux/tty.h>
 #include <linux/bitops.h>
@@ -223,7 +224,7 @@ static int ixp2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction ixp2000_timer_irq = {
         .name           = "IXP2000 Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = ixp2000_timer_interrupt,
 };
 
@@ -408,7 +409,7 @@ static void ixp2000_err_irq_handler(unsigned int irq, struct irqdesc *desc,  str
         for(i = 31; i >= 0; i--) {
                 if(status & (1 << i)) {
                         desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i;
-                        desc->handle(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc, regs);
+                        desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc, regs);
                 }
         }
 }
diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c
index 9b8ded259807..40eef8b36740 100644
--- a/arch/arm/mach-ixp2000/ixdp2x00.c
+++ b/arch/arm/mach-ixp2000/ixdp2x00.c
@@ -167,7 +167,7 @@ void ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long
         }
 
         /* Hook into PCI interrupt */
-        set_irq_chained_handler(IRQ_IXP2000_PCIB, &ixdp2x00_irq_handler);
+        set_irq_chained_handler(IRQ_IXP2000_PCIB, ixdp2x00_irq_handler);
 }
 
 /*************************************************************************
diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c
index 8477ae1d8f72..7f42366f60d1 100644
--- a/arch/arm/mach-ixp2000/ixdp2x01.c
+++ b/arch/arm/mach-ixp2000/ixdp2x01.c
@@ -127,7 +127,7 @@ void __init ixdp2x01_init_irq(void)
         }
 
         /* Hook into PCI interrupts */
-        set_irq_chained_handler(IRQ_IXP2000_PCIB, &ixdp2x01_irq_handler);
+        set_irq_chained_handler(IRQ_IXP2000_PCIB, ixdp2x01_irq_handler);
 }
 
 
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index 82ad6ef90a38..566a07821c77 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -271,7 +271,7 @@ static void pci_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *
         }
 
         int_desc = irq_desc + irqno;
-        int_desc->handle(irqno, int_desc, regs);
+        desc_handle_irq(irqno, int_desc, regs);
 
         desc->chip->unmask(irq);
 }
@@ -363,7 +363,7 @@ ixp23xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static struct irqaction ixp23xx_timer_irq = {
         .name           = "IXP23xx Timer Tick",
         .handler        = ixp23xx_timer_interrupt,
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
 };
 
 void __init ixp23xx_init_timer(void)
diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c
index bba9d9f08691..37a32e6bcca2 100644
--- a/arch/arm/mach-ixp23xx/ixdp2351.c
+++ b/arch/arm/mach-ixp23xx/ixdp2351.c
@@ -19,6 +19,7 @@
 #include <linux/spinlock.h>
 #include <linux/sched.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/serial.h>
 #include <linux/tty.h>
 #include <linux/bitops.h>
@@ -36,7 +37,6 @@
 #include <asm/memory.h>
 #include <asm/hardware.h>
 #include <asm/mach-types.h>
-#include <asm/irq.h>
 #include <asm/system.h>
 #include <asm/tlbflush.h>
 #include <asm/pgtable.h>
@@ -74,7 +74,7 @@ static void ixdp2351_inta_handler(unsigned int irq, struct irqdesc *desc, struct
                         int cpld_irq =
                                 IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + i);
                         cpld_desc = irq_desc + cpld_irq;
-                        cpld_desc->handle(cpld_irq, cpld_desc, regs);
+                        desc_handle_irq(cpld_irq, cpld_desc, regs);
                 }
         }
 
@@ -111,7 +111,7 @@ static void ixdp2351_intb_handler(unsigned int irq, struct irqdesc *desc, struct
                         int cpld_irq =
                                 IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + i);
                         cpld_desc = irq_desc + cpld_irq;
-                        cpld_desc->handle(cpld_irq, cpld_desc, regs);
+                        desc_handle_irq(cpld_irq, cpld_desc, regs);
                 }
         }
 
@@ -158,8 +158,8 @@ void ixdp2351_init_irq(void)
                 }
         }
 
-        set_irq_chained_handler(IRQ_IXP23XX_INTA, &ixdp2351_inta_handler);
-        set_irq_chained_handler(IRQ_IXP23XX_INTB, &ixdp2351_intb_handler);
+        set_irq_chained_handler(IRQ_IXP23XX_INTA, ixdp2351_inta_handler);
+        set_irq_chained_handler(IRQ_IXP23XX_INTB, ixdp2351_intb_handler);
 }
 
 /*
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 13c7c629d037..7c25dbd5a181 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -287,7 +287,7 @@ static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id, struct pt_regs
 
 static struct irqaction ixp4xx_timer_irq = {
         .name           = "IXP4xx Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = ixp4xx_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-ixp4xx/coyote-pci.c b/arch/arm/mach-ixp4xx/coyote-pci.c
index e6b7fcd923fa..2cebb2878895 100644
--- a/arch/arm/mach-ixp4xx/coyote-pci.c
+++ b/arch/arm/mach-ixp4xx/coyote-pci.c
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 
 #include <asm/mach-types.h>
 #include <asm/hardware.h>
diff --git a/arch/arm/mach-ixp4xx/ixdp425-pci.c b/arch/arm/mach-ixp4xx/ixdp425-pci.c
index 8b8ca80c9449..d5156c043f0b 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-pci.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/delay.h>
 
 #include <asm/mach/pci.h>
diff --git a/arch/arm/mach-ixp4xx/ixdpg425-pci.c b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
index 526fb6175bc3..ed5270800217 100644
--- a/arch/arm/mach-ixp4xx/ixdpg425-pci.c
+++ b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
@@ -16,10 +16,10 @@
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 
 #include <asm/mach-types.h>
 #include <asm/hardware.h>
-#include <asm/irq.h>
 
 #include <asm/mach/pci.h>
 
diff --git a/arch/arm/mach-ixp4xx/nas100d-pci.c b/arch/arm/mach-ixp4xx/nas100d-pci.c
index 2d3b770d9e82..b8ebaf4a9c8e 100644
--- a/arch/arm/mach-ixp4xx/nas100d-pci.c
+++ b/arch/arm/mach-ixp4xx/nas100d-pci.c
@@ -17,6 +17,7 @@
 
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 
 #include <asm/mach/pci.h>
 #include <asm/mach-types.h>
diff --git a/arch/arm/mach-ixp4xx/nas100d-power.c b/arch/arm/mach-ixp4xx/nas100d-power.c
index a3745ed37f9f..81ffcae1f56e 100644
--- a/arch/arm/mach-ixp4xx/nas100d-power.c
+++ b/arch/arm/mach-ixp4xx/nas100d-power.c
@@ -17,9 +17,9 @@
  *
  */
 
-#include <linux/module.h>
-#include <linux/reboot.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/module.h>
 #include <linux/reboot.h>
 
 #include <asm/mach-types.h>
@@ -42,7 +42,7 @@ static int __init nas100d_power_init(void)
         set_irq_type(NAS100D_RB_IRQ, IRQT_LOW);
 
         if (request_irq(NAS100D_RB_IRQ, &nas100d_reset_handler,
-                SA_INTERRUPT, "NAS100D reset button", NULL) < 0) {
+                IRQF_DISABLED, "NAS100D reset button", NULL) < 0) {
 
                 printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
                         NAS100D_RB_IRQ);
diff --git a/arch/arm/mach-ixp4xx/nslu2-power.c b/arch/arm/mach-ixp4xx/nslu2-power.c
index 6d38e97142cc..e2a2230b69f0 100644
--- a/arch/arm/mach-ixp4xx/nslu2-power.c
+++ b/arch/arm/mach-ixp4xx/nslu2-power.c
@@ -54,7 +54,7 @@ static int __init nslu2_power_init(void)
         set_irq_type(NSLU2_PB_IRQ, IRQT_HIGH);
 
         if (request_irq(NSLU2_RB_IRQ, &nslu2_reset_handler,
-                SA_INTERRUPT, "NSLU2 reset button", NULL) < 0) {
+                IRQF_DISABLED, "NSLU2 reset button", NULL) < 0) {
 
                 printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
                         NSLU2_RB_IRQ);
@@ -63,7 +63,7 @@ static int __init nslu2_power_init(void)
         }
 
         if (request_irq(NSLU2_PB_IRQ, &nslu2_power_handler,
-                SA_INTERRUPT, "NSLU2 power button", NULL) < 0) {
+                IRQF_DISABLED, "NSLU2 power button", NULL) < 0) {
 
                 printk(KERN_DEBUG "Power Button IRQ %d not available\n",
                         NSLU2_PB_IRQ);
diff --git a/arch/arm/mach-l7200/core.c b/arch/arm/mach-l7200/core.c
index ac626436e96f..b7af5640ea7b 100644
--- a/arch/arm/mach-l7200/core.c
+++ b/arch/arm/mach-l7200/core.c
@@ -7,6 +7,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/device.h>
 
 #include <asm/types.h>
diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
index c0e6854289f1..35c3606a2079 100644
--- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
+++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/hardware.h>
 #include <asm/setup.h>
diff --git a/arch/arm/mach-lh7a40x/time.c b/arch/arm/mach-lh7a40x/time.c
index 1919835d9610..ad5652e01507 100644
--- a/arch/arm/mach-lh7a40x/time.c
+++ b/arch/arm/mach-lh7a40x/time.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/time.h>
 
 #include <asm/hardware.h>
@@ -52,7 +53,7 @@ lh7a40x_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction lh7a40x_timer_irq = {
         .name           = "LHA740x Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = lh7a40x_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
index edfbdf40c600..6d72c81b7d9f 100644
--- a/arch/arm/mach-netx/time.c
+++ b/arch/arm/mach-netx/time.c
@@ -54,7 +54,7 @@ netx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction netx_timer_irq = {
         .name           = "NetX Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = netx_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index f8d716ccc1df..d135568dc9e7 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -62,6 +62,13 @@ config MACH_OMAP_PERSEUS2
           Support for TI OMAP 730 Perseus2 board. Say Y here if you have such
           a board.
 
+config MACH_OMAP_FSAMPLE
+        bool "TI F-Sample"
+        depends on ARCH_OMAP1 && ARCH_OMAP730
+        help
+          Support for TI OMAP 850 F-Sample board. Say Y here if you have such
+          a board.
+
 config MACH_VOICEBLUE
         bool "Voiceblue"
         depends on ARCH_OMAP1 && ARCH_OMAP15XX
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 9ea719550ad3..7165f74f78da 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_MACH_OMAP_H2)		+= board-h2.o
 obj-$(CONFIG_MACH_OMAP_INNOVATOR)       += board-innovator.o
 obj-$(CONFIG_MACH_OMAP_GENERIC)         += board-generic.o
 obj-$(CONFIG_MACH_OMAP_PERSEUS2)        += board-perseus2.o
+obj-$(CONFIG_MACH_OMAP_FSAMPLE)         += board-fsample.o
 obj-$(CONFIG_MACH_OMAP_OSK)             += board-osk.o
 obj-$(CONFIG_MACH_OMAP_H3)              += board-h3.o
 obj-$(CONFIG_MACH_VOICEBLUE)            += board-voiceblue.o
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 73df32aac4c4..8437d065ada5 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -80,8 +80,15 @@ static struct omap_uart_config ams_delta_uart_config __initdata = {
         .enabled_uarts = 1,
 };
 
+static struct omap_usb_config ams_delta_usb_config __initdata = {
+        .register_host  = 1,
+        .hmc_mode       = 16,
+        .pins[0]        = 2,
+};
+
 static struct omap_board_config_kernel ams_delta_config[] = {
         { OMAP_TAG_UART,        &ams_delta_uart_config },
+        { OMAP_TAG_USB,         &ams_delta_usb_config },
 };
 
 static struct platform_device ams_delta_led_device = {
diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c
new file mode 100644
index 000000000000..c753a3c5aadd
--- /dev/null
+++ b/arch/arm/mach-omap1/board-fsample.c
@@ -0,0 +1,319 @@
+/*
+ * linux/arch/arm/mach-omap1/board-fsample.c
+ *
+ * Modified from board-perseus2.c
+ *
+ * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
+ * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/input.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/tc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/fpga.h>
+#include <asm/arch/keypad.h>
+#include <asm/arch/common.h>
+#include <asm/arch/board.h>
+#include <asm/arch/board-fsample.h>
+
+static int fsample_keymap[] = {
+        KEY(0,0,KEY_UP),
+        KEY(0,1,KEY_RIGHT),
+        KEY(0,2,KEY_LEFT),
+        KEY(0,3,KEY_DOWN),
+        KEY(0,4,KEY_CENTER),
+        KEY(0,5,KEY_0_5),
+        KEY(1,0,KEY_SOFT2),
+        KEY(1,1,KEY_SEND),
+        KEY(1,2,KEY_END),
+        KEY(1,3,KEY_VOLUMEDOWN),
+        KEY(1,4,KEY_VOLUMEUP),
+        KEY(1,5,KEY_RECORD),
+        KEY(2,0,KEY_SOFT1),
+        KEY(2,1,KEY_3),
+        KEY(2,2,KEY_6),
+        KEY(2,3,KEY_9),
+        KEY(2,4,KEY_SHARP),
+        KEY(2,5,KEY_2_5),
+        KEY(3,0,KEY_BACK),
+        KEY(3,1,KEY_2),
+        KEY(3,2,KEY_5),
+        KEY(3,3,KEY_8),
+        KEY(3,4,KEY_0),
+        KEY(3,5,KEY_HEADSETHOOK),
+        KEY(4,0,KEY_HOME),
+        KEY(4,1,KEY_1),
+        KEY(4,2,KEY_4),
+        KEY(4,3,KEY_7),
+        KEY(4,4,KEY_STAR),
+        KEY(4,5,KEY_POWER),
+        0
+};
+
+static struct resource smc91x_resources[] = {
+        [0] = {
+                .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
+                .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = INT_730_MPU_EXT_NIRQ,
+                .end    = 0,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct mtd_partition nor_partitions[] = {
+        /* bootloader (U-Boot, etc) in first sector */
+        {
+              .name             = "bootloader",
+              .offset           = 0,
+              .size             = SZ_128K,
+              .mask_flags       = MTD_WRITEABLE, /* force read-only */
+        },
+        /* bootloader params in the next sector */
+        {
+              .name             = "params",
+              .offset           = MTDPART_OFS_APPEND,
+              .size             = SZ_128K,
+              .mask_flags       = 0,
+        },
+        /* kernel */
+        {
+              .name             = "kernel",
+              .offset           = MTDPART_OFS_APPEND,
+              .size             = SZ_2M,
+              .mask_flags       = 0
+        },
+        /* rest of flash is a file system */
+        {
+              .name             = "rootfs",
+              .offset           = MTDPART_OFS_APPEND,
+              .size             = MTDPART_SIZ_FULL,
+              .mask_flags       = 0
+        },
+};
+
+static struct flash_platform_data nor_data = {
+        .map_name       = "cfi_probe",
+        .width          = 2,
+        .parts          = nor_partitions,
+        .nr_parts       = ARRAY_SIZE(nor_partitions),
+};
+
+static struct resource nor_resource = {
+        .start          = OMAP_CS0_PHYS,
+        .end            = OMAP_CS0_PHYS + SZ_32M - 1,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device nor_device = {
+        .name           = "omapflash",
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &nor_data,
+        },
+        .num_resources  = 1,
+        .resource       = &nor_resource,
+};
+
+static struct nand_platform_data nand_data = {
+        .options        = NAND_SAMSUNG_LP_OPTIONS,
+};
+
+static struct resource nand_resource = {
+        .start          = OMAP_CS3_PHYS,
+        .end            = OMAP_CS3_PHYS + SZ_4K - 1,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device nand_device = {
+        .name           = "omapnand",
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &nand_data,
+        },
+        .num_resources  = 1,
+        .resource       = &nand_resource,
+};
+
+static struct platform_device smc91x_device = {
+        .name           = "smc91x",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(smc91x_resources),
+        .resource       = smc91x_resources,
+};
+
+static struct resource kp_resources[] = {
+        [0] = {
+                .start  = INT_730_MPUIO_KEYPAD,
+                .end    = INT_730_MPUIO_KEYPAD,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct omap_kp_platform_data kp_data = {
+        .rows   = 8,
+        .cols   = 8,
+        .keymap = fsample_keymap,
+};
+
+static struct platform_device kp_device = {
+        .name           = "omap-keypad",
+        .id             = -1,
+        .dev            = {
+                .platform_data = &kp_data,
+        },
+        .num_resources  = ARRAY_SIZE(kp_resources),
+        .resource       = kp_resources,
+};
+
+static struct platform_device lcd_device = {
+        .name           = "lcd_p2",
+        .id             = -1,
+};
+
+static struct platform_device *devices[] __initdata = {
+        &nor_device,
+        &nand_device,
+        &smc91x_device,
+        &kp_device,
+        &lcd_device,
+};
+
+#define P2_NAND_RB_GPIO_PIN     62
+
+static int nand_dev_ready(struct nand_platform_data *data)
+{
+        return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
+}
+
+static struct omap_uart_config fsample_uart_config __initdata = {
+        .enabled_uarts = ((1 << 0) | (1 << 1)),
+};
+
+static struct omap_lcd_config fsample_lcd_config __initdata = {
+        .ctrl_name      = "internal",
+};
+
+static struct omap_board_config_kernel fsample_config[] = {
+        { OMAP_TAG_UART,        &fsample_uart_config },
+        { OMAP_TAG_LCD,         &fsample_lcd_config },
+};
+
+static void __init omap_fsample_init(void)
+{
+        if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
+                nand_data.dev_ready = nand_dev_ready;
+
+        omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
+        omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
+
+        platform_add_devices(devices, ARRAY_SIZE(devices));
+
+        omap_board_config = fsample_config;
+        omap_board_config_size = ARRAY_SIZE(fsample_config);
+        omap_serial_init();
+}
+
+static void __init fsample_init_smc91x(void)
+{
+        fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
+        mdelay(50);
+        fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
+                   H2P2_DBG_FPGA_LAN_RESET);
+        mdelay(50);
+}
+
+void omap_fsample_init_irq(void)
+{
+        omap1_init_common_hw();
+        omap_init_irq();
+        omap_gpio_init();
+        fsample_init_smc91x();
+}
+
+/* Only FPGA needs to be mapped here. All others are done with ioremap */
+static struct map_desc omap_fsample_io_desc[] __initdata = {
+        {
+                .virtual        = H2P2_DBG_FPGA_BASE,
+                .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
+                .length         = H2P2_DBG_FPGA_SIZE,
+                .type           = MT_DEVICE
+        },
+        {
+                .virtual        = FSAMPLE_CPLD_BASE,
+                .pfn            = __phys_to_pfn(FSAMPLE_CPLD_START),
+                .length         = FSAMPLE_CPLD_SIZE,
+                .type           = MT_DEVICE
+        }
+};
+
+static void __init omap_fsample_map_io(void)
+{
+        omap1_map_common_io();
+        iotable_init(omap_fsample_io_desc,
+                     ARRAY_SIZE(omap_fsample_io_desc));
+
+        /* Early, board-dependent init */
+
+        /*
+         * Hold GSM Reset until needed
+         */
+        omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
+
+        /*
+         * UARTs -> done automagically by 8250 driver
+         */
+
+        /*
+         * CSx timings, GPIO Mux ... setup
+         */
+
+        /* Flash: CS0 timings setup */
+        omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
+        omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
+
+        /*
+         * Ethernet support through the debug board
+         * CS1 timings setup
+         */
+        omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
+        omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
+
+        /*
+         * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
+         * It is used as the Ethernet controller interrupt
+         */
+        omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
+}
+
+MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
+/* Maintainer: Brian Swetland <swetland@google.com> */
+        .phys_io        = 0xfff00000,
+        .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
+        .boot_params    = 0x10000100,
+        .map_io         = omap_fsample_map_io,
+        .init_irq       = omap_fsample_init_irq,
+        .init_machine   = omap_fsample_init,
+        .timer          = &omap_timer,
+MACHINE_END
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index e90c137a4cf3..4cbc62db5b5d 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -37,6 +37,8 @@
 #include <asm/arch/usb.h>
 #include <asm/arch/keypad.h>
 #include <asm/arch/common.h>
+#include <asm/arch/mcbsp.h>
+#include <asm/arch/omap-alsa.h>
 
 static int innovator_keymap[] = {
         KEY(0, 0, KEY_F1),
@@ -112,6 +114,42 @@ static struct platform_device innovator_flash_device = {
         .resource       = &innovator_flash_resource,
 };
 
+#define DEFAULT_BITPERSAMPLE 16
+
+static struct omap_mcbsp_reg_cfg mcbsp_regs = {
+        .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
+        .spcr1 = RINTM(3) | RRST,
+        .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
+            RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
+        .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
+        .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
+            XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
+        .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
+        .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
+        .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
+        /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
+        .pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
+};
+
+static struct omap_alsa_codec_config alsa_config = {
+        .name                   = "OMAP Innovator AIC23",
+        .mcbsp_regs_alsa        = &mcbsp_regs,
+        .codec_configure_dev    = NULL, // aic23_configure,
+        .codec_set_samplerate   = NULL, // aic23_set_samplerate,
+        .codec_clock_setup      = NULL, // aic23_clock_setup,
+        .codec_clock_on         = NULL, // aic23_clock_on,
+        .codec_clock_off        = NULL, // aic23_clock_off,
+        .get_default_samplerate = NULL, // aic23_get_default_samplerate,
+};
+
+static struct platform_device innovator_mcbsp1_device = {
+        .name   = "omap_alsa_mcbsp",
+        .id     = 1,
+        .dev = {
+                .platform_data  = &alsa_config,
+        },
+};
+
 static struct resource innovator_kp_resources[] = {
         [0] = {
                 .start  = INT_KEYBOARD,
@@ -139,6 +177,10 @@ static struct platform_device innovator_kp_device = {
 
 #ifdef CONFIG_ARCH_OMAP15XX
 
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+
 /* Only FPGA needs to be mapped here. All others are done with ioremap */
 static struct map_desc innovator1510_io_desc[] __initdata = {
         {
@@ -174,13 +216,44 @@ static struct platform_device innovator1510_lcd_device = {
         .id             = -1,
 };
 
+static struct platform_device innovator1510_spi_device = {
+        .name           = "spi_inn1510",
+        .id             = -1,
+};
+
 static struct platform_device *innovator1510_devices[] __initdata = {
         &innovator_flash_device,
         &innovator1510_smc91x_device,
+        &innovator_mcbsp1_device,
         &innovator_kp_device,
         &innovator1510_lcd_device,
+        &innovator1510_spi_device,
 };
 
+static int innovator_get_pendown_state(void)
+{
+        return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
+}
+
+static const struct ads7846_platform_data innovator1510_ts_info = {
+        .model                  = 7846,
+        .vref_delay_usecs       = 100,  /* internal, no capacitor */
+        .x_plate_ohms           = 419,
+        .y_plate_ohms           = 486,
+        .get_pendown_state      = innovator_get_pendown_state,
+};
+
+static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
+        /* FPGA (bus "10") CS0 has an ads7846e */
+        .modalias               = "ads7846",
+        .platform_data          = &innovator1510_ts_info,
+        .irq                    = OMAP1510_INT_FPGA_TS,
+        .max_speed_hz           = 120000 /* max sample rate at 3V */
+                                        * 26 /* command + data + overhead */,
+        .bus_num                = 10,
+        .chip_select            = 0,
+} };
+
 #endif /* CONFIG_ARCH_OMAP15XX */
 
 #ifdef CONFIG_ARCH_OMAP16XX
@@ -311,6 +384,8 @@ static void __init innovator_init(void)
 #ifdef CONFIG_ARCH_OMAP15XX
         if (cpu_is_omap1510()) {
                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
+                spi_register_board_info(innovator1510_boardinfo,
+                                ARRAY_SIZE(innovator1510_boardinfo));
         }
 #endif
 #ifdef CONFIG_ARCH_OMAP16XX
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index 1160093e8ef6..b742261c97ad 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -29,11 +29,10 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
-#include <linux/input.h>
 
 #include <asm/hardware.h>
 #include <asm/mach-types.h>
@@ -45,25 +44,10 @@
 #include <asm/arch/usb.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/tc.h>
-#include <asm/arch/keypad.h>
 #include <asm/arch/common.h>
 #include <asm/arch/mcbsp.h>
 #include <asm/arch/omap-alsa.h>
 
-static int osk_keymap[] = {
-        KEY(0, 0, KEY_F1),
-        KEY(0, 3, KEY_UP),
-        KEY(1, 1, KEY_LEFTCTRL),
-        KEY(1, 2, KEY_LEFT),
-        KEY(2, 0, KEY_SPACE),
-        KEY(2, 1, KEY_ESC),
-        KEY(2, 2, KEY_DOWN),
-        KEY(3, 2, KEY_ENTER),
-        KEY(3, 3, KEY_RIGHT),
-        0
-};
-
-
 static struct mtd_partition osk_partitions[] = {
         /* bootloader (U-Boot, etc) in first sector */
         {
@@ -181,48 +165,17 @@ static struct omap_alsa_codec_config alsa_config = {
 
 static struct platform_device osk5912_mcbsp1_device = {
         .name   = "omap_alsa_mcbsp",
-        .id     = 1,
+        .id     = 1,
         .dev = {
                 .platform_data  = &alsa_config,
         },
 };
 
-static struct resource osk5912_kp_resources[] = {
-        [0] = {
-                .start  = INT_KEYBOARD,
-                .end    = INT_KEYBOARD,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static struct omap_kp_platform_data osk_kp_data = {
-        .rows   = 8,
-        .cols   = 8,
-        .keymap = osk_keymap,
-};
-
-static struct platform_device osk5912_kp_device = {
-        .name           = "omap-keypad",
-        .id             = -1,
-        .dev            = {
-                .platform_data = &osk_kp_data,
-        },
-        .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
-        .resource       = osk5912_kp_resources,
-};
-
-static struct platform_device osk5912_lcd_device = {
-        .name           = "lcd_osk",
-        .id             = -1,
-};
-
 static struct platform_device *osk5912_devices[] __initdata = {
         &osk5912_flash_device,
         &osk5912_smc91x_device,
         &osk5912_cf_device,
         &osk5912_mcbsp1_device,
-        &osk5912_kp_device,
-        &osk5912_lcd_device,
 };
 
 static void __init osk_init_smc91x(void)
@@ -276,18 +229,100 @@ static struct omap_uart_config osk_uart_config __initdata = {
         .enabled_uarts = (1 << 0),
 };
 
+#ifdef  CONFIG_OMAP_OSK_MISTRAL
 static struct omap_lcd_config osk_lcd_config __initdata = {
         .ctrl_name      = "internal",
 };
+#endif
 
 static struct omap_board_config_kernel osk_config[] = {
         { OMAP_TAG_USB,           &osk_usb_config },
         { OMAP_TAG_UART,                &osk_uart_config },
+#ifdef  CONFIG_OMAP_OSK_MISTRAL
         { OMAP_TAG_LCD,                 &osk_lcd_config },
+#endif
 };
 
 #ifdef  CONFIG_OMAP_OSK_MISTRAL
 
+#include <linux/input.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+#include <asm/arch/keypad.h>
+
+static const int osk_keymap[] = {
+        /* KEY(col, row, code) */
+        KEY(0, 0, KEY_F1),              /* SW4 */
+        KEY(0, 3, KEY_UP),              /* (sw2/up) */
+        KEY(1, 1, KEY_LEFTCTRL),        /* SW5 */
+        KEY(1, 2, KEY_LEFT),            /* (sw2/left) */
+        KEY(2, 0, KEY_SPACE),           /* SW3 */
+        KEY(2, 1, KEY_ESC),             /* SW6 */
+        KEY(2, 2, KEY_DOWN),            /* (sw2/down) */
+        KEY(3, 2, KEY_ENTER),           /* (sw2/select) */
+        KEY(3, 3, KEY_RIGHT),           /* (sw2/right) */
+        0
+};
+
+static struct omap_kp_platform_data osk_kp_data = {
+        .rows   = 8,
+        .cols   = 8,
+        .keymap = (int *) osk_keymap,
+};
+
+static struct resource osk5912_kp_resources[] = {
+        [0] = {
+                .start  = INT_KEYBOARD,
+                .end    = INT_KEYBOARD,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device osk5912_kp_device = {
+        .name           = "omap-keypad",
+        .id             = -1,
+        .dev            = {
+                .platform_data = &osk_kp_data,
+        },
+        .num_resources  = ARRAY_SIZE(osk5912_kp_resources),
+        .resource       = osk5912_kp_resources,
+};
+
+static struct platform_device osk5912_lcd_device = {
+        .name           = "lcd_osk",
+        .id             = -1,
+};
+
+static struct platform_device *mistral_devices[] __initdata = {
+        &osk5912_kp_device,
+        &osk5912_lcd_device,
+};
+
+static int mistral_get_pendown_state(void)
+{
+        return !omap_get_gpio_datain(4);
+}
+
+static const struct ads7846_platform_data mistral_ts_info = {
+        .model                  = 7846,
+        .vref_delay_usecs       = 100,  /* internal, no capacitor */
+        .x_plate_ohms           = 419,
+        .y_plate_ohms           = 486,
+        .get_pendown_state      = mistral_get_pendown_state,
+};
+
+static struct spi_board_info __initdata mistral_boardinfo[] = { {
+        /* MicroWire (bus 2) CS0 has an ads7846e */
+        .modalias               = "ads7846",
+        .platform_data          = &mistral_ts_info,
+        .irq                    = OMAP_GPIO_IRQ(4),
+        .max_speed_hz           = 120000 /* max sample rate at 3V */
+                                        * 26 /* command + data + overhead */,
+        .bus_num                = 2,
+        .chip_select            = 0,
+} };
+
 #ifdef  CONFIG_PM
 static irqreturn_t
 osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
@@ -298,14 +333,18 @@ osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
 
 static void __init osk_mistral_init(void)
 {
-        /* FIXME here's where to feed in framebuffer, touchpad, and
-         * keyboard setup ...  not in the drivers for those devices!
-         *
-         * NOTE:  we could actually tell if there's a Mistral board
+        /* NOTE:  we could actually tell if there's a Mistral board
          * attached, e.g. by trying to read something from the ads7846.
-         * But this is too early for that...
+         * But this arch_init() code is too early for that, since we
+         * can't talk to the ads or even the i2c eeprom.
          */
 
+        // omap_cfg_reg(P19_1610_GPIO6);        // BUSY
+        omap_cfg_reg(P20_1610_GPIO4);   // PENIRQ
+        set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
+        spi_register_board_info(mistral_boardinfo,
+                        ARRAY_SIZE(mistral_boardinfo));
+
         /* the sideways button (SW1) is for use as a "wakeup" button */
         omap_cfg_reg(N15_1610_MPUIO2);
         if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
@@ -318,7 +357,7 @@ static void __init osk_mistral_init(void)
                  */
                 ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
                                 &osk_mistral_wake_interrupt,
-                                SA_SHIRQ, "mistral_wakeup",
+                                IRQF_SHARED, "mistral_wakeup",
                                 &osk_mistral_wake_interrupt);
                 if (ret != 0) {
                         omap_free_gpio(OMAP_MPUIO(2));
@@ -329,6 +368,8 @@ static void __init osk_mistral_init(void)
 #endif
         } else
                 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
+
+        platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
 }
 #else
 static void __init osk_mistral_init(void) { }
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 619db18144ea..f1958e882e86 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -1,3 +1,4 @@
+//kernel/linux-omap-fsample/arch/arm/mach-omap1/clock.c#2 - edit change 3808 (text)
 /*
  *  linux/arch/arm/mach-omap1/clock.c
  *
@@ -20,6 +21,7 @@
 
 #include <asm/io.h>
 
+#include <asm/arch/cpu.h>
 #include <asm/arch/usb.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/sram.h>
@@ -270,8 +272,12 @@ static int omap1_select_table_rate(struct clk * clk, unsigned long rate)
         /*
          * In most cases we should not need to reprogram DPLL.
          * Reprogramming the DPLL is tricky, it must be done from SRAM.
+         * (on 730, bit 13 must always be 1)
          */
-        omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val);
+        if (cpu_is_omap730())
+                omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val | 0x2000);
+        else
+                omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val);
 
         ck_dpll1.rate = ptr->pll_rate;
         propagate_rate(&ck_dpll1);
@@ -748,7 +754,7 @@ int __init omap1_clk_init(void)
                 printk(KERN_ERR "System frequencies not set. Check your config.\n");
                 /* Guess sane values (60MHz) */
                 omap_writew(0x2290, DPLL_CTL);
-                omap_writew(0x1005, ARM_CKCTL);
+                omap_writew(cpu_is_omap730() ? 0x3005 : 0x1005, ARM_CKCTL);
                 ck_dpll1.rate = 60000000;
                 propagate_rate(&ck_dpll1);
         }
@@ -761,13 +767,17 @@ int __init omap1_clk_init(void)
                ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10,
                arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10);
 
-#ifdef CONFIG_MACH_OMAP_PERSEUS2
+#if defined(CONFIG_MACH_OMAP_PERSEUS2) || defined(CONFIG_MACH_OMAP_FSAMPLE)
         /* Select slicer output as OMAP input clock */
         omap_writew(omap_readw(OMAP730_PCC_UPLD_CTRL) & ~0x1, OMAP730_PCC_UPLD_CTRL);
 #endif
 
         /* Turn off DSP and ARM_TIMXO. Make sure ARM_INTHCK is not divided */
-        omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL);
+        /* (on 730, bit 13 must not be cleared) */
+        if (cpu_is_omap730())
+                omap_writew(omap_readw(ARM_CKCTL) & 0x2fff, ARM_CKCTL);
+        else
+                omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL);
 
         /* Put DSP/MPUI into reset until needed */
         omap_writew(0, ARM_RSTCT1);
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index 880cd2d8f4aa..34eb79ee6e61 100644
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -133,7 +133,7 @@ static struct irqchip omap_fpga_irq = {
  * mask_ack routine for all of the FPGA interrupts has been changed from
  * fpga_mask_ack_irq() to fpga_ack_irq() so that the specific FPGA interrupt
  * being serviced is left unmasked.  We can do this because the FPGA cascade
- * interrupt is installed with the SA_INTERRUPT flag, which leaves all
+ * interrupt is installed with the IRQF_DISABLED flag, which leaves all
  * interrupts masked at the CPU while an FPGA interrupt handler executes.
  *
  * Limited testing indicates that this workaround appears to be effective
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index ddf6b07dc9c7..cd76185bab74 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -1,3 +1,4 @@
+//kernel/linux-omap-fsample/arch/arm/mach-omap1/pm.c#3 - integrate change 4545 (text)
 /*
  * linux/arch/arm/mach-omap1/pm.c
  *
@@ -50,6 +51,7 @@
 #include <asm/mach/irq.h>
 #include <asm/mach-types.h>
 
+#include <asm/arch/cpu.h>
 #include <asm/arch/irqs.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/sram.h>
@@ -326,8 +328,9 @@ void omap_pm_suspend(void)
         /* stop DSP */
         omap_writew(omap_readw(ARM_RSTCT1) & ~(1 << DSP_EN), ARM_RSTCT1);
 
-        /* shut down dsp_ck */
-        omap_writew(omap_readw(ARM_CKCTL) & ~(1 << EN_DSPCK), ARM_CKCTL);
+                /* shut down dsp_ck */
+        if (!cpu_is_omap730())
+                omap_writew(omap_readw(ARM_CKCTL) & ~(1 << EN_DSPCK), ARM_CKCTL);
 
         /* temporarily enabling api_ck to access DSP registers */
         omap_writew(omap_readw(ARM_IDLECT2) | 1 << EN_APICK, ARM_IDLECT2);
@@ -687,7 +690,7 @@ static irqreturn_t  omap_wakeup_interrupt(int  irq, void *  dev,
 
 static struct irqaction omap_wakeup_irq = {
         .name           = "peripheral wakeup",
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .handler        = omap_wakeup_interrupt
 };
 
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index 56319742aa1b..976edfb882e2 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/delay.h>
 #include <linux/serial.h>
 #include <linux/tty.h>
@@ -252,7 +253,7 @@ static void __init omap_serial_set_port_wakeup(int gpio_nr)
         }
         omap_set_gpio_direction(gpio_nr, 1);
         ret = request_irq(OMAP_GPIO_IRQ(gpio_nr), &omap_serial_wake_interrupt,
-                          SA_TRIGGER_RISING, "serial wakeup", NULL);
+                          IRQF_TRIGGER_RISING, "serial wakeup", NULL);
         if (ret) {
                 omap_free_gpio(gpio_nr);
                 printk(KERN_ERR "No interrupt for UART wake GPIO: %i\n",
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index c2d3205bc592..4d91b9f51084 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -93,7 +93,7 @@ static inline unsigned long long cycles_2_ns(unsigned long long cyc)
  * will break. On P2, the timer count rate is 6.5 MHz after programming PTV
  * with 0. This divides the 13MHz input by 2, and is undocumented.
  */
-#ifdef CONFIG_MACH_OMAP_PERSEUS2
+#if defined(CONFIG_MACH_OMAP_PERSEUS2) || defined(CONFIG_MACH_OMAP_FSAMPLE)
 /* REVISIT: This ifdef construct should be replaced by a query to clock
  * framework to see if timer base frequency is 12.0, 13.0 or 19.2 MHz.
  */
@@ -177,7 +177,7 @@ static irqreturn_t omap_mpu_timer_interrupt(int irq, void *dev_id,
 
 static struct irqaction omap_mpu_timer_irq = {
         .name           = "mpu timer",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = omap_mpu_timer_interrupt,
 };
 
@@ -191,7 +191,7 @@ static irqreturn_t omap_mpu_timer1_interrupt(int irq, void *dev_id,
 
 static struct irqaction omap_mpu_timer1_irq = {
         .name           = "mpu timer1 overflow",
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .handler        = omap_mpu_timer1_interrupt,
 };
 
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 537dd2e6d380..aab97ccf1e63 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -8,6 +8,7 @@ config ARCH_OMAP24XX
 config ARCH_OMAP2420
         bool "OMAP2420 support"
         depends on ARCH_OMAP24XX
+        select OMAP_DM_TIMER
 
 comment "OMAP Board Type"
         depends on ARCH_OMAP2
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 111eaa64258f..266d88e77bdc 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -3,12 +3,13 @@
 #
 
 # Common support
-obj-y := irq.o id.o io.o sram-fn.o memory.o prcm.o clock.o mux.o devices.o serial.o
+obj-y := irq.o id.o io.o sram-fn.o memory.o prcm.o clock.o mux.o devices.o \
+         serial.o gpmc.o
 
 obj-$(CONFIG_OMAP_MPU_TIMER)            += timer-gp.o
 
 # Power Management
-obj-$(CONFIG_PM) += pm.o sleep.o
+obj-$(CONFIG_PM) += pm.o pm-domain.o sleep.o
 
 # Specific board support
 obj-$(CONFIG_MACH_OMAP_GENERIC)         += board-generic.o
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 6c6ba172cdf6..7993b7bae2bd 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -234,17 +234,17 @@ static void __init apollon_sw_init(void)
 
         set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING);
         if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
-                                SA_SHIRQ, "enter sw",
+                                IRQF_SHARED, "enter sw",
                                 &apollon_sw_interrupt))
                 return;
         set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING);
         if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
-                                SA_SHIRQ, "up sw",
+                                IRQF_SHARED, "up sw",
                                 &apollon_sw_interrupt))
                 return;
         set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING);
         if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
-                                SA_SHIRQ, "down sw",
+                                IRQF_SHARED, "down sw",
                                 &apollon_sw_interrupt))
                 return;
 }
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 7edf0f69da1e..d1b648a4efbf 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -659,26 +659,35 @@ static int omap2_clk_set_rate(struct clk *clk, unsigned long rate)
 
                 /* Isolate control register */
                 div_sel = (SRC_RATE_SEL_MASK & clk->flags);
-                div_off = clk->src_offset;
+                div_off = clk->rate_offset;
 
                 validrate = omap2_clksel_round_rate(clk, rate, &new_div);
-                if(validrate != rate)
+                if (validrate != rate)
                         return(ret);
 
                 field_val = omap2_get_clksel(&div_sel, &field_mask, clk);
                 if (div_sel == 0)
                         return ret;
 
-                if(clk->flags & CM_SYSCLKOUT_SEL1){
-                        switch(new_div){
-                        case 16: field_val = 4; break;
-                        case 8:  field_val = 3; break;
-                        case 4:  field_val = 2; break;
-                        case 2:  field_val = 1; break;
-                        case 1:  field_val = 0; break;
+                if (clk->flags & CM_SYSCLKOUT_SEL1) {
+                        switch (new_div) {
+                        case 16:
+                                field_val = 4;
+                                break;
+                        case 8:
+                                field_val = 3;
+                                break;
+                        case 4:
+                                field_val = 2;
+                                break;
+                        case 2:
+                                field_val = 1;
+                                break;
+                        case 1:
+                                field_val = 0;
+                                break;
                         }
-                }
-                else
+                } else
                         field_val = new_div;
 
                 reg = (void __iomem *)div_sel;
@@ -743,7 +752,7 @@ static u32 omap2_get_src_field(u32 *type_to_addr, u32 reg_offset,
                         val = 0x2;
                 break;
         case CM_WKUP_SEL1:
-                src_reg_addr = (u32)&CM_CLKSEL2_CORE;
+                src_reg_addr = (u32)&CM_CLKSEL_WKUP;
                 mask = 0x3;
                 if (src_clk == &func_32k_ck)
                         val = 0x0;
@@ -783,9 +792,9 @@ static u32 omap2_get_src_field(u32 *type_to_addr, u32 reg_offset,
                         val = 0;
                 if (src_clk == &sys_ck)
                         val = 1;
-                if (src_clk == &func_54m_ck)
-                        val = 2;
                 if (src_clk == &func_96m_ck)
+                        val = 2;
+                if (src_clk == &func_54m_ck)
                         val = 3;
                 break;
         }
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index 6c78d471fab7..2781dfbc5164 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -1062,7 +1062,7 @@ static struct clk gpt2_ick = {
         .parent         = &l4_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
         .enable_reg     = (void __iomem *)&CM_ICLKEN1_CORE,     /* Bit4 */
-        .enable_bit     = 0,
+        .enable_bit     = 4,
         .recalc         = &omap2_followparent_recalc,
 };
 
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 4842ffe26705..aa4322451e8b 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -104,6 +104,51 @@ static inline void omap_init_sti(void)
 static inline void omap_init_sti(void) {}
 #endif
 
+#if defined(CONFIG_SPI_OMAP24XX)
+
+#include <asm/arch/mcspi.h>
+
+#define OMAP2_MCSPI1_BASE               0x48098000
+#define OMAP2_MCSPI2_BASE               0x4809a000
+
+/* FIXME: use resources instead */
+
+static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
+        .base           = io_p2v(OMAP2_MCSPI1_BASE),
+        .num_cs         = 4,
+};
+
+struct platform_device omap2_mcspi1 = {
+        .name           = "omap2_mcspi",
+        .id             = 1,
+        .dev            = {
+                .platform_data = &omap2_mcspi1_config,
+        },
+};
+
+static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
+        .base           = io_p2v(OMAP2_MCSPI2_BASE),
+        .num_cs         = 2,
+};
+
+struct platform_device omap2_mcspi2 = {
+        .name           = "omap2_mcspi",
+        .id             = 2,
+        .dev            = {
+                .platform_data = &omap2_mcspi2_config,
+        },
+};
+
+static void omap_init_mcspi(void)
+{
+        platform_device_register(&omap2_mcspi1);
+        platform_device_register(&omap2_mcspi2);
+}
+
+#else
+static inline void omap_init_mcspi(void) {}
+#endif
+
 /*-------------------------------------------------------------------------*/
 
 static int __init omap2_init_devices(void)
@@ -112,6 +157,7 @@ static int __init omap2_init_devices(void)
          * in alphabetical order so they're easier to sort through.
          */
         omap_init_i2c();
+        omap_init_mcspi();
         omap_init_sti();
 
         return 0;
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
new file mode 100644
index 000000000000..c7a48f921fef
--- /dev/null
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -0,0 +1,209 @@
+/*
+ * GPMC support functions
+ *
+ * Copyright (C) 2005-2006 Nokia Corporation
+ *
+ * Author: Juha Yrjola
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+
+#include <asm/io.h>
+#include <asm/arch/gpmc.h>
+
+#undef DEBUG
+
+#define GPMC_BASE               0x6800a000
+#define GPMC_REVISION           0x00
+#define GPMC_SYSCONFIG          0x10
+#define GPMC_SYSSTATUS          0x14
+#define GPMC_IRQSTATUS          0x18
+#define GPMC_IRQENABLE          0x1c
+#define GPMC_TIMEOUT_CONTROL    0x40
+#define GPMC_ERR_ADDRESS        0x44
+#define GPMC_ERR_TYPE           0x48
+#define GPMC_CONFIG             0x50
+#define GPMC_STATUS             0x54
+#define GPMC_PREFETCH_CONFIG1   0x1e0
+#define GPMC_PREFETCH_CONFIG2   0x1e4
+#define GPMC_PREFETCH_CONTROL   0x1e8
+#define GPMC_PREFETCH_STATUS    0x1f0
+#define GPMC_ECC_CONFIG         0x1f4
+#define GPMC_ECC_CONTROL        0x1f8
+#define GPMC_ECC_SIZE_CONFIG    0x1fc
+
+#define GPMC_CS0                0x60
+#define GPMC_CS_SIZE            0x30
+
+static void __iomem *gpmc_base =
+        (void __iomem *) IO_ADDRESS(GPMC_BASE);
+static void __iomem *gpmc_cs_base =
+        (void __iomem *) IO_ADDRESS(GPMC_BASE) + GPMC_CS0;
+
+static struct clk *gpmc_l3_clk;
+
+static void gpmc_write_reg(int idx, u32 val)
+{
+        __raw_writel(val, gpmc_base + idx);
+}
+
+static u32 gpmc_read_reg(int idx)
+{
+        return __raw_readl(gpmc_base + idx);
+}
+
+void gpmc_cs_write_reg(int cs, int idx, u32 val)
+{
+        void __iomem *reg_addr;
+
+        reg_addr = gpmc_cs_base + (cs * GPMC_CS_SIZE) + idx;
+        __raw_writel(val, reg_addr);
+}
+
+u32 gpmc_cs_read_reg(int cs, int idx)
+{
+        return __raw_readl(gpmc_cs_base + (cs * GPMC_CS_SIZE) + idx);
+}
+
+/* TODO: Add support for gpmc_fck to clock framework and use it */
+static unsigned long gpmc_get_fclk_period(void)
+{
+        /* In picoseconds */
+        return 1000000000 / ((clk_get_rate(gpmc_l3_clk)) / 1000);
+}
+
+unsigned int gpmc_ns_to_ticks(unsigned int time_ns)
+{
+        unsigned long tick_ps;
+
+        /* Calculate in picosecs to yield more exact results */
+        tick_ps = gpmc_get_fclk_period();
+
+        return (time_ns * 1000 + tick_ps - 1) / tick_ps;
+}
+
+#ifdef DEBUG
+static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit,
+                               int time, const char *name)
+#else
+static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit,
+                               int time)
+#endif
+{
+        u32 l;
+        int ticks, mask, nr_bits;
+
+        if (time == 0)
+                ticks = 0;
+        else
+                ticks = gpmc_ns_to_ticks(time);
+        nr_bits = end_bit - st_bit + 1;
+        if (ticks >= 1 << nr_bits)
+                return -1;
+
+        mask = (1 << nr_bits) - 1;
+        l = gpmc_cs_read_reg(cs, reg);
+#ifdef DEBUG
+        printk(KERN_INFO "GPMC CS%d: %-10s: %d ticks, %3lu ns (was %i ticks)\n",
+               cs, name, ticks, gpmc_get_fclk_period() * ticks / 1000,
+               (l >> st_bit) & mask);
+#endif
+        l &= ~(mask << st_bit);
+        l |= ticks << st_bit;
+        gpmc_cs_write_reg(cs, reg, l);
+
+        return 0;
+}
+
+#ifdef DEBUG
+#define GPMC_SET_ONE(reg, st, end, field) \
+        if (set_gpmc_timing_reg(cs, (reg), (st), (end),         \
+                        t->field, #field) < 0)                  \
+                return -1
+#else
+#define GPMC_SET_ONE(reg, st, end, field) \
+        if (set_gpmc_timing_reg(cs, (reg), (st), (end), t->field) < 0) \
+                return -1
+#endif
+
+int gpmc_cs_calc_divider(int cs, unsigned int sync_clk)
+{
+        int div;
+        u32 l;
+
+        l = sync_clk * 1000 + (gpmc_get_fclk_period() - 1);
+        div = l / gpmc_get_fclk_period();
+        if (div > 4)
+                return -1;
+        if (div < 0)
+                div = 1;
+
+        return div;
+}
+
+int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t)
+{
+        int div;
+        u32 l;
+
+        div = gpmc_cs_calc_divider(cs, t->sync_clk);
+        if (div < 0)
+                return -1;
+
+        GPMC_SET_ONE(GPMC_CS_CONFIG2,  0,  3, cs_on);
+        GPMC_SET_ONE(GPMC_CS_CONFIG2,  8, 12, cs_rd_off);
+        GPMC_SET_ONE(GPMC_CS_CONFIG2, 16, 20, cs_wr_off);
+
+        GPMC_SET_ONE(GPMC_CS_CONFIG3,  0,  3, adv_on);
+        GPMC_SET_ONE(GPMC_CS_CONFIG3,  8, 12, adv_rd_off);
+        GPMC_SET_ONE(GPMC_CS_CONFIG3, 16, 20, adv_wr_off);
+
+        GPMC_SET_ONE(GPMC_CS_CONFIG4,  0,  3, oe_on);
+        GPMC_SET_ONE(GPMC_CS_CONFIG4,  8, 12, oe_off);
+        GPMC_SET_ONE(GPMC_CS_CONFIG4, 16, 19, we_on);
+        GPMC_SET_ONE(GPMC_CS_CONFIG4, 24, 28, we_off);
+
+        GPMC_SET_ONE(GPMC_CS_CONFIG5,  0,  4, rd_cycle);
+        GPMC_SET_ONE(GPMC_CS_CONFIG5,  8, 12, wr_cycle);
+        GPMC_SET_ONE(GPMC_CS_CONFIG5, 16, 20, access);
+
+        GPMC_SET_ONE(GPMC_CS_CONFIG5, 24, 27, page_burst_access);
+
+#ifdef DEBUG
+        printk(KERN_INFO "GPMC CS%d CLK period is %lu (div %d)\n",
+               cs, gpmc_get_fclk_period(), div);
+#endif
+
+        l = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+        l &= ~0x03;
+        l |= (div - 1);
+
+        return 0;
+}
+
+unsigned long gpmc_cs_get_base_addr(int cs)
+{
+        return (gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7) & 0x1f) << 24;
+}
+
+void __init gpmc_init(void)
+{
+        u32 l;
+
+        gpmc_l3_clk = clk_get(NULL, "core_l3_ck");
+        BUG_ON(IS_ERR(gpmc_l3_clk));
+
+        l = gpmc_read_reg(GPMC_REVISION);
+        printk(KERN_INFO "GPMC revision %d.%d\n", (l >> 4) & 0x0f, l & 0x0f);
+        /* Set smart idle mode and automatic L3 clock gating */
+        l = gpmc_read_reg(GPMC_SYSCONFIG);
+        l &= 0x03 << 3;
+        l |= (0x02 << 3) | (1 << 0);
+        gpmc_write_reg(GPMC_SYSCONFIG, l);
+}
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 20dd6e74e91d..a0728c33e5d9 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -26,6 +26,7 @@
 extern void omap_sram_init(void);
 extern int omap2_clk_init(void);
 extern void omap2_check_revision(void);
+extern void gpmc_init(void);
 
 /*
  * The machine specific code may provide the extra mapping besides the
@@ -66,4 +67,5 @@ void __init omap2_init_common_hw(void)
 {
         omap2_mux_init();
         omap2_clk_init();
+        gpmc_init();
 }
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 4c5f2c04883e..60ef084faffd 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -52,6 +52,12 @@ MUX_CFG_24XX("W19_24XX_SYS_NIRQ",	0x12c,	0,	1,	1,	1)
 /* 24xx clocks */
 MUX_CFG_24XX("W14_24XX_SYS_CLKOUT",     0x137,  0,      1,      1,      1)
 
+/* 24xx GPMC wait pin monitoring */
+MUX_CFG_24XX("L3_GPMC_WAIT0",           0x09a,  0,      1,      1,      1)
+MUX_CFG_24XX("N7_GPMC_WAIT1",           0x09b,  0,      1,      1,      1)
+MUX_CFG_24XX("M1_GPMC_WAIT2",           0x09c,  0,      1,      1,      1)
+MUX_CFG_24XX("P1_GPMC_WAIT3",           0x09d,  0,      1,      1,      1)
+
 /* 24xx McBSP */
 MUX_CFG_24XX("Y15_24XX_MCBSP2_CLKX",    0x124,  1,      1,      0,      1)
 MUX_CFG_24XX("R14_24XX_MCBSP2_FSX",     0x125,  1,      1,      0,      1)
@@ -59,18 +65,38 @@ MUX_CFG_24XX("W15_24XX_MCBSP2_DR",	0x126,	1,	1,	0,	1)
 MUX_CFG_24XX("V15_24XX_MCBSP2_DX",      0x127,  1,      1,      0,      1)
 
 /* 24xx GPIO */
-MUX_CFG_24XX("M21_242X_GPIO11",  0x0c9,  3,      1,      1,      1)
+MUX_CFG_24XX("M21_242X_GPIO11",         0x0c9,  3,      1,      1,      1)
 MUX_CFG_24XX("AA10_242X_GPIO13",        0x0e5,  3,      0,      0,      1)
-MUX_CFG_24XX("AA6_242X_GPIO14",  0x0e6,  3,      0,      0,      1)
-MUX_CFG_24XX("AA4_242X_GPIO15",  0x0e7,  3,      0,      0,      1)
-MUX_CFG_24XX("Y11_242X_GPIO16",  0x0e8,  3,      0,      0,      1)
+MUX_CFG_24XX("AA6_242X_GPIO14",         0x0e6,  3,      0,      0,      1)
+MUX_CFG_24XX("AA4_242X_GPIO15",         0x0e7,  3,      0,      0,      1)
+MUX_CFG_24XX("Y11_242X_GPIO16",         0x0e8,  3,      0,      0,      1)
 MUX_CFG_24XX("AA12_242X_GPIO17",        0x0e9,  3,      0,      0,      1)
-MUX_CFG_24XX("AA8_242X_GPIO58",  0x0ea,  3,      0,      0,      1)
+MUX_CFG_24XX("AA8_242X_GPIO58",         0x0ea,  3,      0,      0,      1)
 MUX_CFG_24XX("Y20_24XX_GPIO60",         0x12c,  3,      0,      0,      1)
-MUX_CFG_24XX("W4__24XX_GPIO74",  0x0f2,  3,      0,      0,      1)
+MUX_CFG_24XX("W4__24XX_GPIO74",         0x0f2,  3,      0,      0,      1)
 MUX_CFG_24XX("M15_24XX_GPIO92",         0x10a,  3,      0,      0,      1)
 MUX_CFG_24XX("V14_24XX_GPIO117",        0x128,  3,      1,      0,      1)
 
+/* 242x DBG GPIO */
+MUX_CFG_24XX("V4_242X_GPIO49",          0xd3,   3,      0,      0,      1)
+MUX_CFG_24XX("W2_242X_GPIO50",          0xd4,   3,      0,      0,      1)
+MUX_CFG_24XX("U4_242X_GPIO51",          0xd5,   3,      0,      0,      1)
+MUX_CFG_24XX("V3_242X_GPIO52",          0xd6,   3,      0,      0,      1)
+MUX_CFG_24XX("V2_242X_GPIO53",          0xd7,   3,      0,      0,      1)
+MUX_CFG_24XX("V6_242X_GPIO53",          0xcf,   3,      0,      0,      1)
+MUX_CFG_24XX("T4_242X_GPIO54",          0xd8,   3,      0,      0,      1)
+MUX_CFG_24XX("Y4_242X_GPIO54",          0xd0,   3,      0,      0,      1)
+MUX_CFG_24XX("T3_242X_GPIO55",          0xd9,   3,      0,      0,      1)
+MUX_CFG_24XX("U2_242X_GPIO56",          0xda,   3,      0,      0,      1)
+
+/* 24xx external DMA requests */
+MUX_CFG_24XX("AA10_242X_DMAREQ0",       0x0e5,  2,      0,      0,      1)
+MUX_CFG_24XX("AA6_242X_DMAREQ1",        0x0e6,  2,      0,      0,      1)
+MUX_CFG_24XX("E4_242X_DMAREQ2",         0x074,  2,      0,      0,      1)
+MUX_CFG_24XX("G4_242X_DMAREQ3",         0x073,  2,      0,      0,      1)
+MUX_CFG_24XX("D3_242X_DMAREQ4",         0x072,  2,      0,      0,      1)
+MUX_CFG_24XX("E3_242X_DMAREQ5",         0x071,  2,      0,      0,      1)
+
 /* TSC IRQ */
 MUX_CFG_24XX("P20_24XX_TSC_IRQ",        0x108,  0,      0,      0,      1)
 
diff --git a/arch/arm/mach-omap2/pm-domain.c b/arch/arm/mach-omap2/pm-domain.c
new file mode 100644
index 000000000000..5e20e740cde5
--- /dev/null
+++ b/arch/arm/mach-omap2/pm-domain.c
@@ -0,0 +1,300 @@
+/*
+ * linux/arch/arm/mach-omap2/pm-domain.c
+ *
+ * Power domain functions for OMAP2
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ * Tony Lindgren <tony@atomide.com>
+ *
+ * Some code based on earlier OMAP2 sample PM code
+ * Copyright (C) 2005 Texas Instruments, Inc.
+ * Richard Woodruff <r-woodruff2@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+
+#include <asm/io.h>
+
+#include "prcm-regs.h"
+
+/* Power domain offsets */
+#define PM_MPU_OFFSET                   0x100
+#define PM_CORE_OFFSET                  0x200
+#define PM_GFX_OFFSET                   0x300
+#define PM_WKUP_OFFSET                  0x400           /* Autoidle only */
+#define PM_PLL_OFFSET                   0x500           /* Autoidle only */
+#define PM_DSP_OFFSET                   0x800
+#define PM_MDM_OFFSET                   0xc00
+
+/* Power domain wake-up dependency control register */
+#define PM_WKDEP_OFFSET                 0xc8
+#define         EN_MDM                  (1 << 5)
+#define         EN_WKUP                 (1 << 4)
+#define         EN_GFX                  (1 << 3)
+#define         EN_DSP                  (1 << 2)
+#define         EN_MPU                  (1 << 1)
+#define         EN_CORE                 (1 << 0)
+
+/* Core power domain state transition control register */
+#define PM_PWSTCTRL_OFFSET              0xe0
+#define         FORCESTATE              (1 << 18)       /* Only for DSP & GFX */
+#define         MEM4RETSTATE            (1 << 6)
+#define         MEM3RETSTATE            (1 << 5)
+#define         MEM2RETSTATE            (1 << 4)
+#define         MEM1RETSTATE            (1 << 3)
+#define         LOGICRETSTATE           (1 << 2)        /* Logic is retained */
+#define         POWERSTATE_OFF          0x3
+#define         POWERSTATE_RETENTION    0x1
+#define         POWERSTATE_ON           0x0
+
+/* Power domain state register */
+#define PM_PWSTST_OFFSET                0xe4
+
+/* Hardware supervised state transition control register */
+#define CM_CLKSTCTRL_OFFSET             0x48
+#define         AUTOSTAT_MPU            (1 << 0)        /* MPU */
+#define         AUTOSTAT_DSS            (1 << 2)        /* Core */
+#define         AUTOSTAT_L4             (1 << 1)        /* Core */
+#define         AUTOSTAT_L3             (1 << 0)        /* Core */
+#define         AUTOSTAT_GFX            (1 << 0)        /* GFX */
+#define         AUTOSTAT_IVA            (1 << 8)        /* 2420 IVA in DSP domain */
+#define         AUTOSTAT_DSP            (1 << 0)        /* DSP */
+#define         AUTOSTAT_MDM            (1 << 0)        /* MDM */
+
+/* Automatic control of interface clock idling */
+#define CM_AUTOIDLE1_OFFSET             0x30
+#define CM_AUTOIDLE2_OFFSET             0x34            /* Core only */
+#define CM_AUTOIDLE3_OFFSET             0x38            /* Core only */
+#define CM_AUTOIDLE4_OFFSET             0x3c            /* Core only */
+#define         AUTO_54M(x)             (((x) & 0x3) << 6)
+#define         AUTO_96M(x)             (((x) & 0x3) << 2)
+#define         AUTO_DPLL(x)            (((x) & 0x3) << 0)
+#define         AUTO_STOPPED            0x3
+#define         AUTO_BYPASS_FAST        0x2             /* DPLL only */
+#define         AUTO_BYPASS_LOW_POWER   0x1             /* DPLL only */
+#define         AUTO_DISABLED           0x0
+
+/* Voltage control PRCM_VOLTCTRL bits */
+#define         AUTO_EXTVOLT            (1 << 15)
+#define         FORCE_EXTVOLT           (1 << 14)
+#define         SETOFF_LEVEL(x)         (((x) & 0x3) << 12)
+#define         MEMRETCTRL              (1 << 8)
+#define         SETRET_LEVEL(x)         (((x) & 0x3) << 6)
+#define         VOLT_LEVEL(x)           (((x) & 0x3) << 0)
+
+#define OMAP24XX_PRCM_VBASE     IO_ADDRESS(OMAP24XX_PRCM_BASE)
+#define prcm_readl(r)           __raw_readl(OMAP24XX_PRCM_VBASE + (r))
+#define prcm_writel(v, r)       __raw_writel((v), OMAP24XX_PRCM_VBASE + (r))
+
+static u32 pmdomain_get_wakeup_dependencies(int domain_offset)
+{
+        return prcm_readl(domain_offset + PM_WKDEP_OFFSET);
+}
+
+static void pmdomain_set_wakeup_dependencies(u32 state, int domain_offset)
+{
+        prcm_writel(state, domain_offset + PM_WKDEP_OFFSET);
+}
+
+static u32 pmdomain_get_powerstate(int domain_offset)
+{
+        return prcm_readl(domain_offset + PM_PWSTCTRL_OFFSET);
+}
+
+static void pmdomain_set_powerstate(u32 state, int domain_offset)
+{
+        prcm_writel(state, domain_offset + PM_PWSTCTRL_OFFSET);
+}
+
+static u32 pmdomain_get_clock_autocontrol(int domain_offset)
+{
+        return prcm_readl(domain_offset + CM_CLKSTCTRL_OFFSET);
+}
+
+static void pmdomain_set_clock_autocontrol(u32 state, int domain_offset)
+{
+        prcm_writel(state, domain_offset + CM_CLKSTCTRL_OFFSET);
+}
+
+static u32 pmdomain_get_clock_autoidle1(int domain_offset)
+{
+        return prcm_readl(domain_offset + CM_AUTOIDLE1_OFFSET);
+}
+
+/* Core domain only */
+static u32 pmdomain_get_clock_autoidle2(int domain_offset)
+{
+        return prcm_readl(domain_offset + CM_AUTOIDLE2_OFFSET);
+}
+
+/* Core domain only */
+static u32 pmdomain_get_clock_autoidle3(int domain_offset)
+{
+        return prcm_readl(domain_offset + CM_AUTOIDLE3_OFFSET);
+}
+
+/* Core domain only */
+static u32 pmdomain_get_clock_autoidle4(int domain_offset)
+{
+        return prcm_readl(domain_offset + CM_AUTOIDLE4_OFFSET);
+}
+
+static void pmdomain_set_clock_autoidle1(u32 state, int domain_offset)
+{
+        prcm_writel(state, CM_AUTOIDLE1_OFFSET + domain_offset);
+}
+
+/* Core domain only */
+static void pmdomain_set_clock_autoidle2(u32 state, int domain_offset)
+{
+        prcm_writel(state, CM_AUTOIDLE2_OFFSET + domain_offset);
+}
+
+/* Core domain only */
+static void pmdomain_set_clock_autoidle3(u32 state, int domain_offset)
+{
+        prcm_writel(state, CM_AUTOIDLE3_OFFSET + domain_offset);
+}
+
+/* Core domain only */
+static void pmdomain_set_clock_autoidle4(u32 state, int domain_offset)
+{
+        prcm_writel(state, CM_AUTOIDLE4_OFFSET + domain_offset);
+}
+
+/*
+ * Configures power management domains to idle clocks automatically.
+ */
+void pmdomain_set_autoidle(void)
+{
+        u32 val;
+
+        /* Set PLL auto stop for 54M, 96M & DPLL */
+        pmdomain_set_clock_autoidle1(AUTO_54M(AUTO_STOPPED) |
+                                     AUTO_96M(AUTO_STOPPED) |
+                                     AUTO_DPLL(AUTO_STOPPED), PM_PLL_OFFSET);
+
+        /* External clock input control
+         * REVISIT: Should this be in clock framework?
+         */
+        PRCM_CLKSRC_CTRL |= (0x3 << 3);
+
+        /* Configure number of 32KHz clock cycles for sys_clk */
+        PRCM_CLKSSETUP = 0x00ff;
+
+        /* Configure automatic voltage transition */
+        PRCM_VOLTSETUP = 0;
+        val = PRCM_VOLTCTRL;
+        val &= ~(SETOFF_LEVEL(0x3) | VOLT_LEVEL(0x3));
+        val |= SETOFF_LEVEL(1) | VOLT_LEVEL(1) | AUTO_EXTVOLT;
+        PRCM_VOLTCTRL = val;
+
+        /* Disable emulation tools functional clock */
+        PRCM_CLKEMUL_CTRL = 0x0;
+
+        /* Set core memory retention state */
+        val = pmdomain_get_powerstate(PM_CORE_OFFSET);
+        if (cpu_is_omap2420()) {
+                val &= ~(0x7 << 3);
+                val |= (MEM3RETSTATE | MEM2RETSTATE | MEM1RETSTATE);
+        } else {
+                val &= ~(0xf << 3);
+                val |= (MEM4RETSTATE | MEM3RETSTATE | MEM2RETSTATE |
+                        MEM1RETSTATE);
+        }
+        pmdomain_set_powerstate(val, PM_CORE_OFFSET);
+
+        /* OCP interface smart idle. REVISIT: Enable autoidle bit0 ? */
+        val = SMS_SYSCONFIG;
+        val &= ~(0x3 << 3);
+        val |= (0x2 << 3) | (1 << 0);
+        SMS_SYSCONFIG |= val;
+
+        val = SDRC_SYSCONFIG;
+        val &= ~(0x3 << 3);
+        val |= (0x2 << 3);
+        SDRC_SYSCONFIG = val;
+
+        /* Configure L3 interface for smart idle.
+         * REVISIT: Enable autoidle bit0 ?
+         */
+        val = GPMC_SYSCONFIG;
+        val &= ~(0x3 << 3);
+        val |= (0x2 << 3) | (1 << 0);
+        GPMC_SYSCONFIG = val;
+
+        pmdomain_set_powerstate(LOGICRETSTATE | POWERSTATE_RETENTION,
+                                PM_MPU_OFFSET);
+        pmdomain_set_powerstate(POWERSTATE_RETENTION, PM_CORE_OFFSET);
+        if (!cpu_is_omap2420())
+                pmdomain_set_powerstate(POWERSTATE_RETENTION, PM_MDM_OFFSET);
+
+        /* Assume suspend function has saved the state for DSP and GFX */
+        pmdomain_set_powerstate(FORCESTATE | POWERSTATE_OFF, PM_DSP_OFFSET);
+        pmdomain_set_powerstate(FORCESTATE | POWERSTATE_OFF, PM_GFX_OFFSET);
+
+#if 0
+        /* REVISIT: Internal USB needs special handling */
+        force_standby_usb();
+        if (cpu_is_omap2430())
+                force_hsmmc();
+        sdram_self_refresh_on_idle_req(1);
+#endif
+
+        /* Enable clock auto control for all domains.
+         * Note that CORE domain includes also DSS, L4 & L3.
+         */
+        pmdomain_set_clock_autocontrol(AUTOSTAT_MPU, PM_MPU_OFFSET);
+        pmdomain_set_clock_autocontrol(AUTOSTAT_GFX, PM_GFX_OFFSET);
+        pmdomain_set_clock_autocontrol(AUTOSTAT_DSS | AUTOSTAT_L4 | AUTOSTAT_L3,
+                                       PM_CORE_OFFSET);
+        if (cpu_is_omap2420())
+                pmdomain_set_clock_autocontrol(AUTOSTAT_IVA | AUTOSTAT_DSP,
+                                               PM_DSP_OFFSET);
+        else {
+                pmdomain_set_clock_autocontrol(AUTOSTAT_DSP, PM_DSP_OFFSET);
+                pmdomain_set_clock_autocontrol(AUTOSTAT_MDM, PM_MDM_OFFSET);
+        }
+
+        /* Enable clock autoidle for all domains */
+        pmdomain_set_clock_autoidle1(0x2, PM_DSP_OFFSET);
+        if (cpu_is_omap2420()) {
+                pmdomain_set_clock_autoidle1(0xfffffff9, PM_CORE_OFFSET);
+                pmdomain_set_clock_autoidle2(0x7, PM_CORE_OFFSET);
+                pmdomain_set_clock_autoidle1(0x3f, PM_WKUP_OFFSET);
+        } else {
+                pmdomain_set_clock_autoidle1(0xeafffff1, PM_CORE_OFFSET);
+                pmdomain_set_clock_autoidle2(0xfff, PM_CORE_OFFSET);
+                pmdomain_set_clock_autoidle1(0x7f, PM_WKUP_OFFSET);
+                pmdomain_set_clock_autoidle1(0x3, PM_MDM_OFFSET);
+        }
+        pmdomain_set_clock_autoidle3(0x7, PM_CORE_OFFSET);
+        pmdomain_set_clock_autoidle4(0x1f, PM_CORE_OFFSET);
+}
+
+/*
+ * Initializes power domains by removing wake-up dependencies and powering
+ * down DSP and GFX. Gets called from PM init. Note that DSP and IVA code
+ * must re-enable DSP and GFX when used.
+ */
+void __init pmdomain_init(void)
+{
+        /* Remove all domain wakeup dependencies */
+        pmdomain_set_wakeup_dependencies(EN_WKUP | EN_CORE, PM_MPU_OFFSET);
+        pmdomain_set_wakeup_dependencies(0, PM_DSP_OFFSET);
+        pmdomain_set_wakeup_dependencies(0, PM_GFX_OFFSET);
+        pmdomain_set_wakeup_dependencies(EN_WKUP | EN_MPU, PM_CORE_OFFSET);
+        if (cpu_is_omap2430())
+                pmdomain_set_wakeup_dependencies(0, PM_MDM_OFFSET);
+
+        /* Power down DSP and GFX */
+        pmdomain_set_powerstate(POWERSTATE_OFF | FORCESTATE, PM_DSP_OFFSET);
+        pmdomain_set_powerstate(POWERSTATE_OFF | FORCESTATE, PM_GFX_OFFSET);
+}
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 562168fa2b16..d7eee99b7e3f 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -23,6 +23,7 @@
 #include <linux/interrupt.h>
 #include <linux/sysfs.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -36,11 +37,18 @@
 #include <asm/arch/sram.h>
 #include <asm/arch/pm.h>
 
+#include "prcm-regs.h"
+
 static struct clk *vclk;
 static void (*omap2_sram_idle)(void);
 static void (*omap2_sram_suspend)(int dllctrl, int cpu_rev);
 static void (*saved_idle)(void);
 
+extern void __init pmdomain_init(void);
+extern void pmdomain_set_autoidle(void);
+
+static unsigned int omap24xx_sleep_save[OMAP24XX_SLEEP_SAVE_SIZE];
+
 void omap2_pm_idle(void)
 {
         local_irq_disable();
@@ -87,23 +95,272 @@ static int omap2_pm_prepare(suspend_state_t state)
         return error;
 }
 
+#define INT0_WAKE_MASK  (OMAP_IRQ_BIT(INT_24XX_GPIO_BANK1) |    \
+                        OMAP_IRQ_BIT(INT_24XX_GPIO_BANK2) |     \
+                        OMAP_IRQ_BIT(INT_24XX_GPIO_BANK3))
+
+#define INT1_WAKE_MASK  (OMAP_IRQ_BIT(INT_24XX_GPIO_BANK4))
+
+#define INT2_WAKE_MASK  (OMAP_IRQ_BIT(INT_24XX_UART1_IRQ) |     \
+                        OMAP_IRQ_BIT(INT_24XX_UART2_IRQ) |      \
+                        OMAP_IRQ_BIT(INT_24XX_UART3_IRQ))
+
+#define preg(reg)       printk("%s\t(0x%p):\t0x%08x\n", #reg, &reg, reg);
+
+static void omap2_pm_debug(char * desc)
+{
+        printk("%s:\n", desc);
+
+        preg(CM_CLKSTCTRL_MPU);
+        preg(CM_CLKSTCTRL_CORE);
+        preg(CM_CLKSTCTRL_GFX);
+        preg(CM_CLKSTCTRL_DSP);
+        preg(CM_CLKSTCTRL_MDM);
+
+        preg(PM_PWSTCTRL_MPU);
+        preg(PM_PWSTCTRL_CORE);
+        preg(PM_PWSTCTRL_GFX);
+        preg(PM_PWSTCTRL_DSP);
+        preg(PM_PWSTCTRL_MDM);
+
+        preg(PM_PWSTST_MPU);
+        preg(PM_PWSTST_CORE);
+        preg(PM_PWSTST_GFX);
+        preg(PM_PWSTST_DSP);
+        preg(PM_PWSTST_MDM);
+
+        preg(CM_AUTOIDLE1_CORE);
+        preg(CM_AUTOIDLE2_CORE);
+        preg(CM_AUTOIDLE3_CORE);
+        preg(CM_AUTOIDLE4_CORE);
+        preg(CM_AUTOIDLE_WKUP);
+        preg(CM_AUTOIDLE_PLL);
+        preg(CM_AUTOIDLE_DSP);
+        preg(CM_AUTOIDLE_MDM);
+
+        preg(CM_ICLKEN1_CORE);
+        preg(CM_ICLKEN2_CORE);
+        preg(CM_ICLKEN3_CORE);
+        preg(CM_ICLKEN4_CORE);
+        preg(CM_ICLKEN_GFX);
+        preg(CM_ICLKEN_WKUP);
+        preg(CM_ICLKEN_DSP);
+        preg(CM_ICLKEN_MDM);
+
+        preg(CM_IDLEST1_CORE);
+        preg(CM_IDLEST2_CORE);
+        preg(CM_IDLEST3_CORE);
+        preg(CM_IDLEST4_CORE);
+        preg(CM_IDLEST_GFX);
+        preg(CM_IDLEST_WKUP);
+        preg(CM_IDLEST_CKGEN);
+        preg(CM_IDLEST_DSP);
+        preg(CM_IDLEST_MDM);
+
+        preg(RM_RSTST_MPU);
+        preg(RM_RSTST_GFX);
+        preg(RM_RSTST_WKUP);
+        preg(RM_RSTST_DSP);
+        preg(RM_RSTST_MDM);
+
+        preg(PM_WKDEP_MPU);
+        preg(PM_WKDEP_CORE);
+        preg(PM_WKDEP_GFX);
+        preg(PM_WKDEP_DSP);
+        preg(PM_WKDEP_MDM);
+
+        preg(CM_FCLKEN_WKUP);
+        preg(CM_ICLKEN_WKUP);
+        preg(CM_IDLEST_WKUP);
+        preg(CM_AUTOIDLE_WKUP);
+        preg(CM_CLKSEL_WKUP);
+
+        preg(PM_WKEN_WKUP);
+        preg(PM_WKST_WKUP);
+}
+
+static inline void omap2_pm_save_registers(void)
+{
+        /* Save interrupt registers */
+        OMAP24XX_SAVE(INTC_MIR0);
+        OMAP24XX_SAVE(INTC_MIR1);
+        OMAP24XX_SAVE(INTC_MIR2);
+
+        /* Save power control registers */
+        OMAP24XX_SAVE(CM_CLKSTCTRL_MPU);
+        OMAP24XX_SAVE(CM_CLKSTCTRL_CORE);
+        OMAP24XX_SAVE(CM_CLKSTCTRL_GFX);
+        OMAP24XX_SAVE(CM_CLKSTCTRL_DSP);
+        OMAP24XX_SAVE(CM_CLKSTCTRL_MDM);
+
+        /* Save power state registers */
+        OMAP24XX_SAVE(PM_PWSTCTRL_MPU);
+        OMAP24XX_SAVE(PM_PWSTCTRL_CORE);
+        OMAP24XX_SAVE(PM_PWSTCTRL_GFX);
+        OMAP24XX_SAVE(PM_PWSTCTRL_DSP);
+        OMAP24XX_SAVE(PM_PWSTCTRL_MDM);
+
+        /* Save autoidle registers */
+        OMAP24XX_SAVE(CM_AUTOIDLE1_CORE);
+        OMAP24XX_SAVE(CM_AUTOIDLE2_CORE);
+        OMAP24XX_SAVE(CM_AUTOIDLE3_CORE);
+        OMAP24XX_SAVE(CM_AUTOIDLE4_CORE);
+        OMAP24XX_SAVE(CM_AUTOIDLE_WKUP);
+        OMAP24XX_SAVE(CM_AUTOIDLE_PLL);
+        OMAP24XX_SAVE(CM_AUTOIDLE_DSP);
+        OMAP24XX_SAVE(CM_AUTOIDLE_MDM);
+
+        /* Save idle state registers */
+        OMAP24XX_SAVE(CM_IDLEST1_CORE);
+        OMAP24XX_SAVE(CM_IDLEST2_CORE);
+        OMAP24XX_SAVE(CM_IDLEST3_CORE);
+        OMAP24XX_SAVE(CM_IDLEST4_CORE);
+        OMAP24XX_SAVE(CM_IDLEST_GFX);
+        OMAP24XX_SAVE(CM_IDLEST_WKUP);
+        OMAP24XX_SAVE(CM_IDLEST_CKGEN);
+        OMAP24XX_SAVE(CM_IDLEST_DSP);
+        OMAP24XX_SAVE(CM_IDLEST_MDM);
+
+        /* Save clock registers */
+        OMAP24XX_SAVE(CM_FCLKEN1_CORE);
+        OMAP24XX_SAVE(CM_FCLKEN2_CORE);
+        OMAP24XX_SAVE(CM_ICLKEN1_CORE);
+        OMAP24XX_SAVE(CM_ICLKEN2_CORE);
+        OMAP24XX_SAVE(CM_ICLKEN3_CORE);
+        OMAP24XX_SAVE(CM_ICLKEN4_CORE);
+}
+
+static inline void omap2_pm_restore_registers(void)
+{
+        /* Restore clock state registers */
+        OMAP24XX_RESTORE(CM_CLKSTCTRL_MPU);
+        OMAP24XX_RESTORE(CM_CLKSTCTRL_CORE);
+        OMAP24XX_RESTORE(CM_CLKSTCTRL_GFX);
+        OMAP24XX_RESTORE(CM_CLKSTCTRL_DSP);
+        OMAP24XX_RESTORE(CM_CLKSTCTRL_MDM);
+
+        /* Restore power state registers */
+        OMAP24XX_RESTORE(PM_PWSTCTRL_MPU);
+        OMAP24XX_RESTORE(PM_PWSTCTRL_CORE);
+        OMAP24XX_RESTORE(PM_PWSTCTRL_GFX);
+        OMAP24XX_RESTORE(PM_PWSTCTRL_DSP);
+        OMAP24XX_RESTORE(PM_PWSTCTRL_MDM);
+
+        /* Restore idle state registers */
+        OMAP24XX_RESTORE(CM_IDLEST1_CORE);
+        OMAP24XX_RESTORE(CM_IDLEST2_CORE);
+        OMAP24XX_RESTORE(CM_IDLEST3_CORE);
+        OMAP24XX_RESTORE(CM_IDLEST4_CORE);
+        OMAP24XX_RESTORE(CM_IDLEST_GFX);
+        OMAP24XX_RESTORE(CM_IDLEST_WKUP);
+        OMAP24XX_RESTORE(CM_IDLEST_CKGEN);
+        OMAP24XX_RESTORE(CM_IDLEST_DSP);
+        OMAP24XX_RESTORE(CM_IDLEST_MDM);
+
+        /* Restore autoidle registers */
+        OMAP24XX_RESTORE(CM_AUTOIDLE1_CORE);
+        OMAP24XX_RESTORE(CM_AUTOIDLE2_CORE);
+        OMAP24XX_RESTORE(CM_AUTOIDLE3_CORE);
+        OMAP24XX_RESTORE(CM_AUTOIDLE4_CORE);
+        OMAP24XX_RESTORE(CM_AUTOIDLE_WKUP);
+        OMAP24XX_RESTORE(CM_AUTOIDLE_PLL);
+        OMAP24XX_RESTORE(CM_AUTOIDLE_DSP);
+        OMAP24XX_RESTORE(CM_AUTOIDLE_MDM);
+
+        /* Restore clock registers */
+        OMAP24XX_RESTORE(CM_FCLKEN1_CORE);
+        OMAP24XX_RESTORE(CM_FCLKEN2_CORE);
+        OMAP24XX_RESTORE(CM_ICLKEN1_CORE);
+        OMAP24XX_RESTORE(CM_ICLKEN2_CORE);
+        OMAP24XX_RESTORE(CM_ICLKEN3_CORE);
+        OMAP24XX_RESTORE(CM_ICLKEN4_CORE);
+
+        /* REVISIT: Clear interrupts here */
+
+        /* Restore interrupt registers */
+        OMAP24XX_RESTORE(INTC_MIR0);
+        OMAP24XX_RESTORE(INTC_MIR1);
+        OMAP24XX_RESTORE(INTC_MIR2);
+}
+
+static int omap2_pm_suspend(void)
+{
+        int processor_type = 0;
+
+        /* REVISIT: 0x21 or 0x26? */
+        if (cpu_is_omap2420())
+                processor_type = 0x21;
+
+        if (!processor_type)
+                return -ENOTSUPP;
+
+        local_irq_disable();
+        local_fiq_disable();
+
+        omap2_pm_save_registers();
+
+        /* Disable interrupts except for the wake events */
+        INTC_MIR_SET0 = 0xffffffff & ~INT0_WAKE_MASK;
+        INTC_MIR_SET1 = 0xffffffff & ~INT1_WAKE_MASK;
+        INTC_MIR_SET2 = 0xffffffff & ~INT2_WAKE_MASK;
+
+        pmdomain_set_autoidle();
+
+        /* Clear old wake-up events */
+        PM_WKST1_CORE = 0;
+        PM_WKST2_CORE = 0;
+        PM_WKST_WKUP = 0;
+
+        /* Enable wake-up events */
+        PM_WKEN1_CORE = (1 << 22) | (1 << 21);  /* UART1 & 2 */
+        PM_WKEN2_CORE = (1 << 2);               /* UART3 */
+        PM_WKEN_WKUP = (1 << 2) | (1 << 0);     /* GPIO & GPT1 */
+
+        /* Disable clocks except for CM_ICLKEN2_CORE. It gets disabled
+         * in the SRAM suspend code */
+        CM_FCLKEN1_CORE = 0;
+        CM_FCLKEN2_CORE = 0;
+        CM_ICLKEN1_CORE = 0;
+        CM_ICLKEN3_CORE = 0;
+        CM_ICLKEN4_CORE = 0;
+
+        omap2_pm_debug("Status before suspend");
+
+        /* Must wait for serial buffers to clear */
+        mdelay(200);
+
+        /* Jump to SRAM suspend code
+         * REVISIT: When is this SDRC_DLLB_CTRL?
+         */
+        omap2_sram_suspend(SDRC_DLLA_CTRL, processor_type);
+
+        /* Back from sleep */
+        omap2_pm_restore_registers();
+
+        local_fiq_enable();
+        local_irq_enable();
+
+        return 0;
+}
+
 static int omap2_pm_enter(suspend_state_t state)
 {
+        int ret = 0;
+
         switch (state)
         {
         case PM_SUSPEND_STANDBY:
         case PM_SUSPEND_MEM:
-                /* FIXME: Add suspend */
+                ret = omap2_pm_suspend();
                 break;
-
         case PM_SUSPEND_DISK:
-                return -ENOTSUPP;
-
+                ret = -ENOTSUPP;
+                break;
         default:
-                return -EINVAL;
+                ret = -EINVAL;
         }
 
-        return 0;
+        return ret;
 }
 
 static int omap2_pm_finish(suspend_state_t state)
@@ -143,6 +400,8 @@ int __init omap2_pm_init(void)
         pm_set_ops(&omap_pm_ops);
         pm_idle = omap2_pm_idle;
 
+        pmdomain_init();
+
         return 0;
 }
 
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 1d2f5ac2f69b..fe5fd6d42dea 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -6,6 +6,7 @@
  * Copyright (C) 2005 Nokia Corporation
  * Author: Paul Mundt <paul.mundt@nokia.com>
  *         Juha Yrjölä <juha.yrjola@nokia.com>
+ * OMAP Dual-mode timer framework support by Timo Teras
  *
  * Some parts based off of TI's 24xx code:
  *
@@ -22,54 +23,18 @@
 #include <linux/interrupt.h>
 #include <linux/err.h>
 #include <linux/clk.h>
+#include <linux/delay.h>
 
 #include <asm/mach/time.h>
-#include <asm/delay.h>
-#include <asm/io.h>
+#include <asm/arch/dmtimer.h>
 
-#define OMAP2_GP_TIMER1_BASE    0x48028000
-#define OMAP2_GP_TIMER2_BASE    0x4802a000
-#define OMAP2_GP_TIMER3_BASE    0x48078000
-#define OMAP2_GP_TIMER4_BASE    0x4807a000
+static struct omap_dm_timer *gptimer;
 
-#define GP_TIMER_TIDR           0x00
-#define GP_TIMER_TISR           0x18
-#define GP_TIMER_TIER           0x1c
-#define GP_TIMER_TCLR           0x24
-#define GP_TIMER_TCRR           0x28
-#define GP_TIMER_TLDR           0x2c
-#define GP_TIMER_TSICR          0x40
-
-#define OS_TIMER_NR             1  /* GP timer 2 */
-
-static unsigned long timer_base[] = {
-        IO_ADDRESS(OMAP2_GP_TIMER1_BASE),
-        IO_ADDRESS(OMAP2_GP_TIMER2_BASE),
-        IO_ADDRESS(OMAP2_GP_TIMER3_BASE),
-        IO_ADDRESS(OMAP2_GP_TIMER4_BASE),
-};
-
-static inline unsigned int timer_read_reg(int nr, unsigned int reg)
-{
-        return __raw_readl(timer_base[nr] + reg);
-}
-
-static inline void timer_write_reg(int nr, unsigned int reg, unsigned int val)
-{
-        __raw_writel(val, timer_base[nr] + reg);
-}
-
-/* Note that we always enable the clock prescale divider bit */
-static inline void omap2_gp_timer_start(int nr, unsigned long load_val)
+static inline void omap2_gp_timer_start(unsigned long load_val)
 {
-        unsigned int tmp;
-
-        tmp = 0xffffffff - load_val;
-
-        timer_write_reg(nr, GP_TIMER_TLDR, tmp);
-        timer_write_reg(nr, GP_TIMER_TCRR, tmp);
-        timer_write_reg(nr, GP_TIMER_TIER, 1 << 1);
-        timer_write_reg(nr, GP_TIMER_TCLR, (1 << 5) | (1 << 1) | 1);
+        omap_dm_timer_set_load(gptimer, 1, 0xffffffff - load_val);
+        omap_dm_timer_set_int_enable(gptimer, OMAP_TIMER_INT_OVERFLOW);
+        omap_dm_timer_start(gptimer);
 }
 
 static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id,
@@ -77,7 +42,7 @@ static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id,
 {
         write_seqlock(&xtime_lock);
 
-        timer_write_reg(OS_TIMER_NR, GP_TIMER_TISR, 1 << 1);
+        omap_dm_timer_write_status(gptimer, OMAP_TIMER_INT_OVERFLOW);
         timer_tick(regs);
 
         write_sequnlock(&xtime_lock);
@@ -87,41 +52,26 @@ static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id,
 
 static struct irqaction omap2_gp_timer_irq = {
         .name           = "gp timer",
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = omap2_gp_timer_interrupt,
 };
 
 static void __init omap2_gp_timer_init(void)
 {
-        struct clk * sys_ck;
-        u32 tick_period = 120000;
-        u32 l;
+        u32 tick_period;
 
-        /* Reset clock and prescale value */
-        timer_write_reg(OS_TIMER_NR, GP_TIMER_TCLR, 0);
+        omap_dm_timer_init();
+        gptimer = omap_dm_timer_request_specific(1);
+        BUG_ON(gptimer == NULL);
 
-        sys_ck = clk_get(NULL, "sys_ck");
-        if (IS_ERR(sys_ck))
-                printk(KERN_ERR "Could not get sys_ck\n");
-        else {
-                clk_enable(sys_ck);
-                tick_period = clk_get_rate(sys_ck) / 100;
-                clk_put(sys_ck);
-        }
-
-        tick_period /= 2;       /* Minimum prescale divider is 2 */
+        omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_SYS_CLK);
+        tick_period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / 100;
         tick_period -= 1;
 
-        l = timer_read_reg(OS_TIMER_NR, GP_TIMER_TIDR);
-        printk(KERN_INFO "OMAP2 GP timer (HW version %d.%d)\n",
-               (l >> 4) & 0x0f, l & 0x0f);
-
-        setup_irq(38, &omap2_gp_timer_irq);
-
-        omap2_gp_timer_start(OS_TIMER_NR, tick_period);
+        setup_irq(omap_dm_timer_get_irq(gptimer), &omap2_gp_timer_irq);
+        omap2_gp_timer_start(tick_period);
 }
 
 struct sys_timer omap_timer = {
         .init   = omap2_gp_timer_init,
 };
-
diff --git a/arch/arm/mach-pnx4008/time.c b/arch/arm/mach-pnx4008/time.c
index 4ce680698529..888bf6cfba8a 100644
--- a/arch/arm/mach-pnx4008/time.c
+++ b/arch/arm/mach-pnx4008/time.c
@@ -86,7 +86,7 @@ static irqreturn_t pnx4008_timer_interrupt(int irq, void *dev_id,
 
 static struct irqaction pnx4008_timer_irq = {
         .name = "PNX4008 Tick Timer",
-        .flags = SA_INTERRUPT | SA_TIMER,
+        .flags = IRQF_DISABLED | IRQF_TIMER,
         .handler = pnx4008_timer_interrupt
 };
 
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index ea5137f319c4..03d07cae26c8 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -35,6 +35,10 @@ config PXA_SHARPSL
           SL-C3000 (Spitz), SL-C3100 (Borzoi) or SL-C6000x (Tosa)
           handheld computer.
 
+config MACH_TRIZEPS4
+        bool "Keith und Koep Trizeps4 DIMM-Module"
+        select PXA27x
+
 endchoice
 
 if PXA_SHARPSL
@@ -55,6 +59,21 @@ endchoice
 
 endif
 
+if MACH_TRIZEPS4
+
+choice
+        prompt "Select base board for Trizeps 4 module"
+
+config MACH_TRIZEPS4_CONXS
+        bool "ConXS Eval Board"
+
+config MACH_TRIZEPS4_ANY
+        bool "another Board"
+
+endchoice
+
+endif
+
 endmenu
 
 config MACH_POODLE
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 1610690be419..9093eb1c94eb 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
 obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
 obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
 obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
+obj-$(CONFIG_MACH_TRIZEPS4)     += trizeps4.o
 obj-$(CONFIG_PXA_SHARP_C7xx)    += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.o
 obj-$(CONFIG_PXA_SHARP_Cxx00)   += spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o spitz_pm.o
 obj-$(CONFIG_MACH_AKITA)        += akita-ioexp.o
@@ -23,6 +24,7 @@ led-y := leds.o
 led-$(CONFIG_ARCH_LUBBOCK) += leds-lubbock.o
 led-$(CONFIG_MACH_MAINSTONE) += leds-mainstone.o
 led-$(CONFIG_ARCH_PXA_IDP) += leds-idp.o
+led-$(CONFIG_MACH_TRIZEPS4) += leds-trizeps4.o
 
 obj-$(CONFIG_LEDS) += $(led-y)
 
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index bf6648a83901..cce26576999e 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -225,7 +225,7 @@ static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(in
         corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 
         err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
-                          SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                          IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                           "MMC card detect", data);
         if (err) {
                 printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index 347b9dea24c6..6914d22bc20f 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -18,6 +18,7 @@
 
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/fb.h>
 
diff --git a/arch/arm/mach-pxa/leds-trizeps4.c b/arch/arm/mach-pxa/leds-trizeps4.c
new file mode 100644
index 000000000000..14cfc85e44b5
--- /dev/null
+++ b/arch/arm/mach-pxa/leds-trizeps4.c
@@ -0,0 +1,134 @@
+/*
+ * linux/arch/arm/mach-pxa/leds-trizeps4.c
+ *
+ *  Author:     Jürgen Schindele
+ *  Created:    20 02, 2006
+ *  Copyright:  Jürgen Schindele
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+
+#include <asm/hardware.h>
+#include <asm/system.h>
+#include <asm/types.h>
+#include <asm/leds.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/trizeps4.h>
+
+#include "leds.h"
+
+#define LED_STATE_ENABLED       1
+#define LED_STATE_CLAIMED       2
+
+#define SYS_BUSY                0x01
+#define HEARTBEAT               0x02
+#define BLINK                   0x04
+
+static unsigned int led_state;
+static unsigned int hw_led_state;
+
+void trizeps4_leds_event(led_event_t evt)
+{
+        unsigned long flags;
+
+        local_irq_save(flags);
+
+        switch (evt) {
+        case led_start:
+                hw_led_state = 0;
+                pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);          /* LED1 */
+                pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);          /* LED2 */
+                led_state = LED_STATE_ENABLED;
+                break;
+
+        case led_stop:
+                led_state &= ~LED_STATE_ENABLED;
+                break;
+
+        case led_claim:
+                led_state |= LED_STATE_CLAIMED;
+                hw_led_state = 0;
+                break;
+
+        case led_release:
+                led_state &= ~LED_STATE_CLAIMED;
+                hw_led_state = 0;
+                break;
+
+#ifdef CONFIG_LEDS_TIMER
+        case led_timer:
+                hw_led_state ^= HEARTBEAT;
+                break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+        case led_idle_start:
+                hw_led_state &= ~SYS_BUSY;
+                break;
+
+        case led_idle_end:
+                hw_led_state |= SYS_BUSY;
+                break;
+#endif
+
+        case led_halted:
+                break;
+
+        case led_green_on:
+                hw_led_state |= BLINK;
+                break;
+
+        case led_green_off:
+                hw_led_state &= ~BLINK;
+                break;
+
+        case led_amber_on:
+                break;
+
+        case led_amber_off:
+                break;
+
+        case led_red_on:
+                break;
+
+        case led_red_off:
+                break;
+
+        default:
+                break;
+        }
+
+        if  (led_state & LED_STATE_ENABLED) {
+                switch (hw_led_state) {
+                        case 0:
+                                GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                                GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+                                break;
+                        case 1:
+                                GPCR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                                GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+                                break;
+                        case 2:
+                                GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                                GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+                                break;
+                        case 3:
+                                GPCR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                                GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+                                break;
+                }
+        }
+        else {
+                /* turn all off */
+                GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+                GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+        }
+
+        local_irq_restore(flags);
+}
diff --git a/arch/arm/mach-pxa/leds.c b/arch/arm/mach-pxa/leds.c
index bbe4d5f6afaa..e13eb841e48d 100644
--- a/arch/arm/mach-pxa/leds.c
+++ b/arch/arm/mach-pxa/leds.c
@@ -24,6 +24,8 @@ pxa_leds_init(void)
                 leds_event = mainstone_leds_event;
         if (machine_is_pxa_idp())
                 leds_event = idp_leds_event;
+        if (machine_is_trizeps4())
+                leds_event = trizeps4_leds_event;
 
         leds_event(led_start);
         return 0;
diff --git a/arch/arm/mach-pxa/leds.h b/arch/arm/mach-pxa/leds.h
index d98f6e93c12b..4f829b8c39dd 100644
--- a/arch/arm/mach-pxa/leds.h
+++ b/arch/arm/mach-pxa/leds.h
@@ -10,3 +10,4 @@
 extern void idp_leds_event(led_event_t evt);
 extern void lubbock_leds_event(led_event_t evt);
 extern void mainstone_leds_event(led_event_t evt);
+extern void trizeps4_leds_event(led_event_t evt);
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index ec0f43a102c7..1a5f5c21481e 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -248,58 +248,137 @@ static void lpd270_backlight_power(int on)
 
 /* 5.7" TFT QVGA (LoLo display number 1) */
 static struct pxafb_mach_info sharp_lq057q3dc02 __initdata = {
-        .pixclock               = 100000,
-        .xres                   = 240,
-        .yres                   = 320,
+        .pixclock               = 150000,
+        .xres                   = 320,
+        .yres                   = 240,
         .bpp                    = 16,
-        .hsync_len              = 64,
-        .left_margin            = 0x27,
-        .right_margin           = 0x09,
-        .vsync_len              = 0x04,
+        .hsync_len              = 0x14,
+        .left_margin            = 0x28,
+        .right_margin           = 0x0a,
+        .vsync_len              = 0x02,
         .upper_margin           = 0x08,
         .lower_margin           = 0x14,
-        .sync                   = 0,
+        .sync                   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
         .lccr0                  = 0x07800080,
-        .lccr3                  = 0x04400007,
+        .lccr3                  = 0x00400000,
+        .pxafb_backlight_power  = lpd270_backlight_power,
+};
+
+/* 12.1" TFT SVGA (LoLo display number 2) */
+static struct pxafb_mach_info sharp_lq121s1dg31 __initdata = {
+        .pixclock               = 50000,
+        .xres                   = 800,
+        .yres                   = 600,
+        .bpp                    = 16,
+        .hsync_len              = 0x05,
+        .left_margin            = 0x52,
+        .right_margin           = 0x05,
+        .vsync_len              = 0x04,
+        .upper_margin           = 0x14,
+        .lower_margin           = 0x0a,
+        .sync                   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+        .lccr0                  = 0x07800080,
+        .lccr3                  = 0x00400000,
+        .pxafb_backlight_power  = lpd270_backlight_power,
+};
+
+/* 3.6" TFT QVGA (LoLo display number 3) */
+static struct pxafb_mach_info sharp_lq036q1da01 __initdata = {
+        .pixclock               = 150000,
+        .xres                   = 320,
+        .yres                   = 240,
+        .bpp                    = 16,
+        .hsync_len              = 0x0e,
+        .left_margin            = 0x04,
+        .right_margin           = 0x0a,
+        .vsync_len              = 0x03,
+        .upper_margin           = 0x03,
+        .lower_margin           = 0x03,
+        .sync                   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+        .lccr0                  = 0x07800080,
+        .lccr3                  = 0x00400000,
         .pxafb_backlight_power  = lpd270_backlight_power,
 };
 
 /* 6.4" TFT VGA (LoLo display number 5) */
 static struct pxafb_mach_info sharp_lq64d343 __initdata = {
-        .pixclock               = 20000,
+        .pixclock               = 25000,
         .xres                   = 640,
         .yres                   = 480,
         .bpp                    = 16,
-        .hsync_len              = 49,
+        .hsync_len              = 0x31,
         .left_margin            = 0x89,
         .right_margin           = 0x19,
-        .vsync_len              = 18,
+        .vsync_len              = 0x12,
         .upper_margin           = 0x22,
-        .lower_margin           = 0,
+        .lower_margin           = 0x00,
         .sync                   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
         .lccr0                  = 0x07800080,
-        .lccr3                  = 0x04400001,
+        .lccr3                  = 0x00400000,
+        .pxafb_backlight_power  = lpd270_backlight_power,
+};
+
+/* 10.4" TFT VGA (LoLo display number 7) */
+static struct pxafb_mach_info sharp_lq10d368 __initdata = {
+        .pixclock               = 25000,
+        .xres                   = 640,
+        .yres                   = 480,
+        .bpp                    = 16,
+        .hsync_len              = 0x31,
+        .left_margin            = 0x89,
+        .right_margin           = 0x19,
+        .vsync_len              = 0x12,
+        .upper_margin           = 0x22,
+        .lower_margin           = 0x00,
+        .sync                   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+        .lccr0                  = 0x07800080,
+        .lccr3                  = 0x00400000,
         .pxafb_backlight_power  = lpd270_backlight_power,
 };
 
 /* 3.5" TFT QVGA (LoLo display number 8) */
 static struct pxafb_mach_info sharp_lq035q7db02_20 __initdata = {
-        .pixclock               = 100000,
+        .pixclock               = 150000,
         .xres                   = 240,
         .yres                   = 320,
         .bpp                    = 16,
-        .hsync_len              = 0x34,
-        .left_margin            = 0x09,
-        .right_margin           = 0x09,
-        .vsync_len              = 0x08,
+        .hsync_len              = 0x0e,
+        .left_margin            = 0x0a,
+        .right_margin           = 0x0a,
+        .vsync_len              = 0x03,
         .upper_margin           = 0x05,
         .lower_margin           = 0x14,
-        .sync                   = 0,
+        .sync                   = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
         .lccr0                  = 0x07800080,
-        .lccr3                  = 0x04400007,
+        .lccr3                  = 0x00400000,
         .pxafb_backlight_power  = lpd270_backlight_power,
 };
 
+static struct pxafb_mach_info *lpd270_lcd_to_use;
+
+static int __init lpd270_set_lcd(char *str)
+{
+        if (!strnicmp(str, "lq057q3dc02", 11)) {
+                lpd270_lcd_to_use = &sharp_lq057q3dc02;
+        } else if (!strnicmp(str, "lq121s1dg31", 11)) {
+                lpd270_lcd_to_use = &sharp_lq121s1dg31;
+        } else if (!strnicmp(str, "lq036q1da01", 11)) {
+                lpd270_lcd_to_use = &sharp_lq036q1da01;
+        } else if (!strnicmp(str, "lq64d343", 8)) {
+                lpd270_lcd_to_use = &sharp_lq64d343;
+        } else if (!strnicmp(str, "lq10d368", 8)) {
+                lpd270_lcd_to_use = &sharp_lq10d368;
+        } else if (!strnicmp(str, "lq035q7db02-20", 14)) {
+                lpd270_lcd_to_use = &sharp_lq035q7db02_20;
+        } else {
+                printk(KERN_INFO "lpd270: unknown lcd panel [%s]\n", str);
+        }
+
+        return 1;
+}
+
+__setup("lcd=", lpd270_set_lcd);
+
 static struct platform_device *platform_devices[] __initdata = {
         &smc91x_device,
         &lpd270_audio_device,
@@ -345,9 +424,8 @@ static void __init lpd270_init(void)
 
         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 
-        // set_pxa_fb_info(&sharp_lq057q3dc02);
-        set_pxa_fb_info(&sharp_lq64d343);
-        // set_pxa_fb_info(&sharp_lq035q7db02_20);
+        if (lpd270_lcd_to_use != NULL)
+                set_pxa_fb_info(lpd270_lcd_to_use);
 
         pxa_set_ohci_info(&lpd270_ohci_platform_data);
 }
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 1ab26c6914f2..6a9a669d60de 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -419,7 +419,7 @@ static int lubbock_mci_init(struct device *dev,
         init_timer(&mmc_timer);
         mmc_timer.data = (unsigned long) data;
         return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
-                        SA_SAMPLE_RANDOM, "lubbock-sd-detect", data);
+                        IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data);
 }
 
 static int lubbock_mci_get_ro(struct device *dev)
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index b307f11951df..21ddf3de2f6e 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -331,7 +331,7 @@ static int mainstone_mci_init(struct device *dev, irqreturn_t (*mstone_detect_in
          */
         MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL;
 
-        err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, SA_INTERRUPT,
+        err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, IRQF_DISABLED,
                              "MMC card detect", data);
         if (err) {
                 printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 9a9fa87cea9f..6dbff6d94801 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -212,7 +212,7 @@ static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(
         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 
         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
-                          SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                          IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                           "MMC card detect", data);
         if (err) {
                 printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 0f1648780c41..db6e8f56a75f 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -18,11 +18,11 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/platform_device.h>
 
 #include <asm/hardware.h>
 #include <asm/mach-types.h>
-#include <asm/irq.h>
 #include <asm/apm.h>
 #include <asm/arch/pm.h>
 #include <asm/arch/pxa-regs.h>
@@ -142,18 +142,18 @@ void sharpsl_pm_pxa_init(void)
         pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batlock | GPIO_IN);
 
         /* Register interrupt handlers */
-        if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr, SA_INTERRUPT, "AC Input Detect", sharpsl_ac_isr)) {
+        if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr, IRQF_DISABLED, "AC Input Detect", sharpsl_ac_isr)) {
                 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin));
         }
         else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin),IRQT_BOTHEDGE);
 
-        if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr, SA_INTERRUPT, "Battery Cover", sharpsl_fatal_isr)) {
+        if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr, IRQF_DISABLED, "Battery Cover", sharpsl_fatal_isr)) {
                 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock));
         }
         else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock),IRQT_FALLING);
 
         if (sharpsl_pm.machinfo->gpio_fatal) {
-                if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr, SA_INTERRUPT, "Fatal Battery", sharpsl_fatal_isr)) {
+                if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr, IRQF_DISABLED, "Fatal Battery", sharpsl_fatal_isr)) {
                         dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal));
                 }
                 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal),IRQT_FALLING);
@@ -162,7 +162,7 @@ void sharpsl_pm_pxa_init(void)
         if (sharpsl_pm.machinfo->batfull_irq)
         {
                 /* Register interrupt handler. */
-                if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr, SA_INTERRUPT, "CO", sharpsl_chrg_full_isr)) {
+                if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr, IRQF_DISABLED, "CO", sharpsl_chrg_full_isr)) {
                         dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull));
                 }
                 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull),IRQT_RISING);
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index eb9937f6f5cd..1c32a9310dc2 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -308,7 +308,7 @@ static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(in
         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 
         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
-                          SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                          IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                           "MMC card detect", data);
         if (err) {
                 printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 1ef85fcc6c06..5dbd191c57c4 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -117,7 +117,7 @@ pxa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction pxa_timer_irq = {
         .name           = "PXA Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = pxa_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 7152bc13680f..249353616aba 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -185,7 +185,7 @@ static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int,
 
         tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 
-        err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT,
+        err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, IRQF_DISABLED,
                                 "MMC/SD card detect", data);
         if (err) {
                 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
new file mode 100644
index 000000000000..7c3007df1bd6
--- /dev/null
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -0,0 +1,473 @@
+/*
+ *  linux/arch/arm/mach-pxa/trizeps4.c
+ *
+ *  Support for the Keith und Koep Trizeps4 Module Platform.
+ *
+ *  Author:     Jürgen Schindele
+ *  Created:    20 02, 2006
+ *  Copyright:  Jürgen Schindele
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/sysdev.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/bitops.h>
+#include <linux/fb.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/serial_8250.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/sizes.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/trizeps4.h>
+#include <asm/arch/audio.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/irda.h>
+#include <asm/arch/ohci.h>
+
+#include "generic.h"
+
+/********************************************************************************************
+ * ONBOARD FLASH
+ ********************************************************************************************/
+static struct mtd_partition trizeps4_partitions[] = {
+        {
+                .name =         "Bootloader",
+                .size =         0x00040000,
+                .offset =       0,
+                .mask_flags =   MTD_WRITEABLE  /* force read-only */
+        },{
+                .name =         "Kernel",
+                .size =         0x00400000,
+                .offset =       0x00040000
+        },{
+                .name =         "Filesystem",
+                .size =         MTDPART_SIZ_FULL,
+                .offset =       0x00440000
+        }
+};
+
+static struct flash_platform_data trizeps4_flash_data[] = {
+        {
+                .map_name       = "cfi_probe",
+                .parts          = trizeps4_partitions,
+                .nr_parts       = ARRAY_SIZE(trizeps4_partitions)
+        }
+};
+
+static struct resource flash_resource = {
+        .start  = PXA_CS0_PHYS,
+        .end    = PXA_CS0_PHYS + SZ_64M - 1,
+        .flags  = IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+        .name           = "pxa2xx-flash",
+        .id             = 0,
+        .dev = {
+                .platform_data = &trizeps4_flash_data,
+        },
+        .resource = &flash_resource,
+        .num_resources = 1,
+};
+
+/********************************************************************************************
+ * DAVICOM DM9000 Ethernet
+ ********************************************************************************************/
+static struct resource dm9000_resources[] = {
+        [0] = {
+                .start  = TRIZEPS4_ETH_PHYS+0x300,
+                .end    = TRIZEPS4_ETH_PHYS+0x400-1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = TRIZEPS4_ETH_PHYS+0x8300,
+                .end    = TRIZEPS4_ETH_PHYS+0x8400-1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [2] = {
+                .start  = TRIZEPS4_ETH_IRQ,
+                .end    = TRIZEPS4_ETH_IRQ,
+                .flags  = (IORESOURCE_IRQ | IRQT_RISING),
+        },
+};
+
+static struct platform_device dm9000_device = {
+        .name           = "dm9000",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(dm9000_resources),
+        .resource       = dm9000_resources,
+};
+
+/********************************************************************************************
+ * PXA270 serial ports
+ ********************************************************************************************/
+static struct plat_serial8250_port tri_serial_ports[] = {
+#ifdef CONFIG_SERIAL_PXA
+        /* this uses the own PXA driver */
+        {
+                0,
+        },
+#else
+        /* this uses the generic 8520 driver */
+        [0] = {
+                .membase        = (void *)&FFUART,
+                .irq            = IRQ_FFUART,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .iotype         = UPIO_MEM32,
+                .regshift       = 2,
+                .uartclk        = (921600*16),
+        },
+        [1] = {
+                .membase        = (void *)&BTUART,
+                .irq            = IRQ_BTUART,
+                .flags          = UPF_BOOT_AUTOCONF,
+                .iotype         = UPIO_MEM32,
+                .regshift       = 2,
+                .uartclk        = (921600*16),
+        },
+        {
+                0,
+        },
+#endif
+};
+
+static struct platform_device uart_devices = {
+        .name           = "serial8250",
+        .id             = 0,
+        .dev            = {
+                .platform_data  = tri_serial_ports,
+        },
+        .num_resources  = 0,
+        .resource       = NULL,
+};
+
+/********************************************************************************************
+ * PXA270 ac97 sound codec
+ ********************************************************************************************/
+static struct platform_device ac97_audio_device = {
+        .name           = "pxa2xx-ac97",
+        .id             = -1,
+};
+
+static struct platform_device * trizeps4_devices[] __initdata = {
+        &flash_device,
+        &uart_devices,
+        &dm9000_device,
+        &ac97_audio_device,
+};
+
+#ifdef CONFIG_MACH_TRIZEPS4_CONXS
+static short trizeps_conxs_bcr;
+
+/* PCCARD power switching supports only 3,3V */
+void board_pcmcia_power(int power)
+{
+        if (power) {
+                /* switch power on, put in reset and enable buffers */
+                trizeps_conxs_bcr |= power;
+                trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
+                trizeps_conxs_bcr &= ~(ConXS_BCR_CF_BUF_EN);
+                ConXS_BCR = trizeps_conxs_bcr;
+                /* wait a little */
+                udelay(2000);
+                /* take reset away */
+                trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
+                ConXS_BCR = trizeps_conxs_bcr;
+                udelay(2000);
+        } else {
+                /* put in reset */
+                trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
+                ConXS_BCR = trizeps_conxs_bcr;
+                udelay(1000);
+                /* switch power off */
+                trizeps_conxs_bcr &= ~(0xf);
+                ConXS_BCR = trizeps_conxs_bcr;
+
+        }
+        pr_debug("%s: o%s 0x%x\n", __FUNCTION__, power ? "n": "ff", trizeps_conxs_bcr);
+}
+
+/* backlight power switching for LCD panel */
+static void board_backlight_power(int on)
+{
+        if (on) {
+                trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
+        } else {
+                trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
+        }
+        pr_debug("%s: o%s 0x%x\n", __FUNCTION__, on ? "n" : "ff", trizeps_conxs_bcr);
+        ConXS_BCR = trizeps_conxs_bcr;
+}
+
+/* Powersupply for MMC/SD cardslot */
+static void board_mci_power(struct device *dev, unsigned int vdd)
+{
+        struct pxamci_platform_data* p_d = dev->platform_data;
+
+        if (( 1 << vdd) & p_d->ocr_mask) {
+                pr_debug("%s: on\n", __FUNCTION__);
+                /* FIXME fill in values here */
+        } else {
+                pr_debug("%s: off\n", __FUNCTION__);
+                /* FIXME fill in values here */
+        }
+}
+
+static short trizeps_conxs_ircr;
+
+/* Switch modes and Power for IRDA receiver */
+static void board_irda_mode(struct device *dev, int mode)
+{
+        unsigned long flags;
+
+        local_irq_save(flags);
+        if (mode & IR_SIRMODE) {
+                /* Slow mode */
+                trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
+        } else if (mode & IR_FIRMODE) {
+                /* Fast mode */
+                trizeps_conxs_ircr |= ConXS_IRCR_MODE;
+        }
+        if (mode & IR_OFF) {
+                trizeps_conxs_ircr |= ConXS_IRCR_SD;
+        } else {
+                trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
+        }
+        /* FIXME write values to register */
+        local_irq_restore(flags);
+}
+
+#else
+/* for other baseboards define dummies */
+void board_pcmcia_power(int power)      {;}
+#define board_backlight_power           NULL
+#define board_mci_power                 NULL
+#define board_irda_mode                 NULL
+
+#endif          /* CONFIG_MACH_TRIZEPS4_CONXS */
+EXPORT_SYMBOL(board_pcmcia_power);
+
+static int trizeps4_mci_init(struct device *dev, irqreturn_t (*mci_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+        int err;
+        /* setup GPIO for PXA27x MMC controller */
+        pxa_gpio_mode(GPIO32_MMCCLK_MD);
+        pxa_gpio_mode(GPIO112_MMCCMD_MD);
+        pxa_gpio_mode(GPIO92_MMCDAT0_MD);
+        pxa_gpio_mode(GPIO109_MMCDAT1_MD);
+        pxa_gpio_mode(GPIO110_MMCDAT2_MD);
+        pxa_gpio_mode(GPIO111_MMCDAT3_MD);
+
+        pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
+
+        err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
+                          IRQF_DISABLED | IRQF_TRIGGER_RISING,
+                          "MMC card detect", data);
+        if (err) {
+                printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+                return -1;
+        }
+        return 0;
+}
+
+static void trizeps4_mci_exit(struct device *dev, void *data)
+{
+        free_irq(TRIZEPS4_MMC_IRQ, data);
+}
+
+static struct pxamci_platform_data trizeps4_mci_platform_data = {
+        .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+        .init           = trizeps4_mci_init,
+        .exit           = trizeps4_mci_exit,
+        .setpower       = board_mci_power,
+};
+
+static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
+        .transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+        .transceiver_mode = board_irda_mode,
+};
+
+static int trizeps4_ohci_init(struct device *dev)
+{
+        /* setup Port1 GPIO pin. */
+        pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);  /* USBHPWR1 */
+        pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
+
+        /* Set the Power Control Polarity Low and Power Sense
+           Polarity Low to active low. */
+        UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
+                ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
+
+        return 0;
+}
+
+static void trizeps4_ohci_exit(struct device *dev)
+{
+        ;
+}
+
+static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
+        .port_mode      = PMM_PERPORT_MODE,
+        .init           = trizeps4_ohci_init,
+        .exit           = trizeps4_ohci_exit,
+};
+
+static struct map_desc trizeps4_io_desc[] __initdata = {
+        {       /* ConXS CFSR */
+                .virtual        = TRIZEPS4_CFSR_VIRT,
+                .pfn            = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
+                .length         = 0x00001000,
+                .type           = MT_DEVICE
+        },
+        {       /* ConXS BCR */
+                .virtual        = TRIZEPS4_BOCR_VIRT,
+                .pfn            = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
+                .length         = 0x00001000,
+                .type           = MT_DEVICE
+        },
+        {       /* ConXS IRCR */
+                .virtual        = TRIZEPS4_IRCR_VIRT,
+                .pfn            = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
+                .length         = 0x00001000,
+                .type           = MT_DEVICE
+        },
+        {       /* ConXS DCR */
+                .virtual        = TRIZEPS4_DICR_VIRT,
+                .pfn            = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
+                .length         = 0x00001000,
+                .type           = MT_DEVICE
+        },
+        {       /* ConXS UPSR */
+                .virtual        = TRIZEPS4_UPSR_VIRT,
+                .pfn            = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
+                .length         = 0x00001000,
+                .type           = MT_DEVICE
+        }
+};
+
+static struct pxafb_mach_info sharp_lcd __initdata = {
+    .pixclock           = 78000,
+    .xres               = 640,
+    .yres               = 480,
+    .bpp                = 8,
+    .hsync_len          = 4,
+    .left_margin        = 4,
+    .right_margin       = 4,
+    .vsync_len          = 2,
+    .upper_margin       = 0,
+    .lower_margin       = 0,
+    .sync               = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+    .cmap_greyscale     = 0,
+    .cmap_inverse       = 0,
+    .cmap_static        = 0,
+    .lccr0              = LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
+    .lccr3              = 0x0340ff02,
+    .pxafb_backlight_power = board_backlight_power,
+};
+
+static void __init trizeps4_fixup(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+}
+
+static void __init trizeps4_init(void)
+{
+        platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));
+
+        set_pxa_fb_info(&sharp_lcd);
+
+        pxa_set_mci_info(&trizeps4_mci_platform_data);
+        pxa_set_ficp_info(&trizeps4_ficp_platform_data);
+        pxa_set_ohci_info(&trizeps4_ohci_platform_data);
+}
+
+static void __init trizeps4_map_io(void)
+{
+        pxa_map_io();
+        iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
+
+        /* for DiskOnChip */
+        pxa_gpio_mode(GPIO15_nCS_1_MD);
+
+        /* for off-module PIC on ConXS board */
+        pxa_gpio_mode(GPIO_PIC | GPIO_IN);
+
+        /* UCB1400 irq */
+        pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);
+
+        /* for DM9000 LAN */
+        pxa_gpio_mode(GPIO78_nCS_2_MD);
+        pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
+
+        /* for PCMCIA device */
+        pxa_gpio_mode(GPIO_PCD | GPIO_IN);
+        pxa_gpio_mode(GPIO_PRDY | GPIO_IN);
+
+        /* for I2C adapter */
+        pxa_gpio_mode(GPIO117_I2CSCL_MD);
+        pxa_gpio_mode(GPIO118_I2CSDA_MD);
+
+        /* MMC_DET s.o. */
+        pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);
+
+        /* whats that for ??? */
+        pxa_gpio_mode(GPIO79_nCS_3_MD);
+
+        pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);          /* LED1 */
+        pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);          /* LED2 */
+
+#ifdef CONFIG_MACH_TRIZEPS4_CONXS
+#ifdef CONFIG_IDE_PXA_CF
+        /* if boot direct from compact flash dont disable power */
+        trizeps_conxs_bcr = 0x0009;
+#else
+        /* this is the reset value */
+        trizeps_conxs_bcr = 0x00A0;
+#endif
+        ConXS_BCR = trizeps_conxs_bcr;
+#endif
+
+        PWER  = 0x00000002;
+        PFER  = 0x00000000;
+        PRER  = 0x00000002;
+        PGSR0 = 0x0158C000;
+        PGSR1 = 0x00FF0080;
+        PGSR2 = 0x0001C004;
+        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
+        PCFR |= PCFR_OPDE;
+}
+
+MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
+        /* MAINTAINER("Jürgen Schindele") */
+        .phys_io        = 0x40000000,
+        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+        .boot_params    = TRIZEPS4_SDRAM_BASE + 0x100,
+        .fixup          = trizeps4_fixup,
+        .init_machine   = trizeps4_init,
+        .map_io         = trizeps4_map_io,
+        .init_irq       = pxa_init_irq,
+        .timer          = &pxa_timer,
+MACHINE_END
+
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index eb09d3859d6d..da0286973823 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -536,7 +536,7 @@ static irqreturn_t realview_timer_interrupt(int irq, void *dev_id, struct pt_reg
 
 static struct irqaction realview_timer_irq = {
         .name           = "RealView Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = realview_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-rpc/dma.c b/arch/arm/mach-rpc/dma.c
index bd86ffba8810..ac511d41d4d7 100644
--- a/arch/arm/mach-rpc/dma.c
+++ b/arch/arm/mach-rpc/dma.c
@@ -128,7 +128,7 @@ static irqreturn_t iomd_dma_handle(int irq, void *dev_id, struct pt_regs *regs)
 static int iomd_request_dma(dmach_t channel, dma_t *dma)
 {
         return request_irq(dma->dma_irq, iomd_dma_handle,
-                           SA_INTERRUPT, dma->device_id, dma);
+                           IRQF_DISABLED, dma->device_id, dma);
 }
 
 static void iomd_free_dma(dmach_t channel, dma_t *dma)
diff --git a/arch/arm/mach-s3c2410/bast-irq.c b/arch/arm/mach-s3c2410/bast-irq.c
index fbbeb0553006..def4441d2442 100644
--- a/arch/arm/mach-s3c2410/bast-irq.c
+++ b/arch/arm/mach-s3c2410/bast-irq.c
@@ -136,8 +136,8 @@ bast_irq_pc104_demux(unsigned int irq,
                 for (i = 0; stat != 0; i++, stat >>= 1) {
                         if (stat & 1) {
                                 irqno = bast_pc104_irqs[i];
-
-                                desc_handle_irq(irqno, irq_desc + irqno, regs);
+                                desc = irq_desc + irqno;
+                                desc_handle_irq(irqno, desc, regs);
                         }
                 }
         }
@@ -156,7 +156,7 @@ static __init int bast_irq_init(void)
 
                 set_irq_chained_handler(IRQ_ISA, bast_irq_pc104_demux);
 
-                /* reigster our IRQs */
+                /* register our IRQs */
 
                 for (i = 0; i < 4; i++) {
                         unsigned int irqno = bast_pc104_irqs[i];
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index b0aaf4328732..094cc52745c5 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -718,7 +718,7 @@ int s3c2410_dma_request(unsigned int channel, s3c2410_dma_client_t *client,
                 pr_debug("dma%d: %s : requesting irq %d\n",
                          channel, __FUNCTION__, chan->irq);
 
-                err = request_irq(chan->irq, s3c2410_dma_irq, SA_INTERRUPT,
+                err = request_irq(chan->irq, s3c2410_dma_irq, IRQF_DISABLED,
                                   client->name, (void *)chan);
 
                 if (err) {
diff --git a/arch/arm/mach-s3c2410/time.c b/arch/arm/mach-s3c2410/time.c
index 47387c5b9723..00d1cfca9712 100644
--- a/arch/arm/mach-s3c2410/time.c
+++ b/arch/arm/mach-s3c2410/time.c
@@ -22,6 +22,7 @@
 #include <linux/sched.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/err.h>
 #include <linux/clk.h>
 
@@ -137,7 +138,7 @@ s3c2410_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction s3c2410_timer_irq = {
         .name           = "S3C2410 Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = s3c2410_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c
index 495f8c6ffcb6..6b22d8f0a00d 100644
--- a/arch/arm/mach-s3c2410/usb-simtec.c
+++ b/arch/arm/mach-s3c2410/usb-simtec.c
@@ -85,8 +85,8 @@ static void usb_simtec_enableoc(struct s3c2410_hcd_info *info, int on)
 
         if (on) {
                 ret = request_irq(IRQ_USBOC, usb_simtec_ocirq,
-                                  SA_INTERRUPT | SA_TRIGGER_RISING |
-                                   SA_TRIGGER_FALLING,
+                                  IRQF_DISABLED | IRQF_TRIGGER_RISING |
+                                   IRQF_TRIGGER_FALLING,
                                   "USB Over-current", info);
                 if (ret != 0) {
                         printk(KERN_ERR "failed to request usb oc irq\n");
diff --git a/arch/arm/mach-sa1100/cerf.c b/arch/arm/mach-sa1100/cerf.c
index e0f6d57b5065..31afe50d7cd5 100644
--- a/arch/arm/mach-sa1100/cerf.c
+++ b/arch/arm/mach-sa1100/cerf.c
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/tty.h>
 #include <linux/platform_device.h>
+#include <linux/irq.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 
diff --git a/arch/arm/mach-sa1100/collie_pm.c b/arch/arm/mach-sa1100/collie_pm.c
index 696d7d29c8a5..45b1e71f111d 100644
--- a/arch/arm/mach-sa1100/collie_pm.c
+++ b/arch/arm/mach-sa1100/collie_pm.c
@@ -45,12 +45,12 @@ static void collie_charger_init(void)
         }
 
         /* Register interrupt handler. */
-        if ((err = request_irq(COLLIE_IRQ_GPIO_AC_IN, sharpsl_ac_isr, SA_INTERRUPT,
+        if ((err = request_irq(COLLIE_IRQ_GPIO_AC_IN, sharpsl_ac_isr, IRQF_DISABLED,
                                "ACIN", sharpsl_ac_isr))) {
                 printk("Could not get irq %d.\n", COLLIE_IRQ_GPIO_AC_IN);
                 return;
         }
-        if ((err = request_irq(COLLIE_IRQ_GPIO_CO, sharpsl_chrg_full_isr, SA_INTERRUPT,
+        if ((err = request_irq(COLLIE_IRQ_GPIO_CO, sharpsl_chrg_full_isr, IRQF_DISABLED,
                                "CO", sharpsl_chrg_full_isr))) {
                 free_irq(COLLIE_IRQ_GPIO_AC_IN, sharpsl_ac_isr);
                 printk("Could not get irq %d.\n", COLLIE_IRQ_GPIO_CO);
diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c
index 04c94ab6c18b..639597729932 100644
--- a/arch/arm/mach-sa1100/cpu-sa1110.c
+++ b/arch/arm/mach-sa1100/cpu-sa1110.c
@@ -15,7 +15,10 @@
  *      SDRAM reads (rev A0, B0, B1)
  *
  * We ignore rev. A0 and B0 devices; I don't think they're worth supporting.
+ *
+ * The SDRAM type can be passed on the command line as cpu_sa1110.sdram=type
  */
+#include <linux/moduleparam.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -35,6 +38,7 @@
 static struct cpufreq_driver sa1110_driver;
 
 struct sdram_params {
+        const char name[16];
         u_char  rows;           /* bits                          */
         u_char  cas_latency;    /* cycles                        */
         u_char  tck;            /* clock cycle time (ns)         */
@@ -50,54 +54,53 @@ struct sdram_info {
         u_int   mdcas[3];
 };
 
-static struct sdram_params tc59sm716_cl2_params __initdata = {
-        .rows                   = 12,
-        .tck                    = 10,
-        .trcd                   = 20,
-        .trp                    = 20,
-        .twr                    = 10,
-        .refresh                = 64000,
-        .cas_latency            = 2,
-};
-
-static struct sdram_params tc59sm716_cl3_params __initdata = {
-        .rows                   = 12,
-        .tck                    = 8,
-        .trcd                   = 20,
-        .trp                    = 20,
-        .twr                    = 8,
-        .refresh                = 64000,
-        .cas_latency            = 3,
-};
-
-static struct sdram_params samsung_k4s641632d_tc75 __initdata = {
-        .rows                   = 14,
-        .tck                    = 9,
-        .trcd                   = 27,
-        .trp                    = 20,
-        .twr                    = 9,
-        .refresh                = 64000,
-        .cas_latency            = 3,
-};
-
-static struct sdram_params samsung_km416s4030ct __initdata = {
-        .rows                   = 13,
-        .tck                    = 8,
-        .trcd                   = 24,   /* 3 CLKs */
-        .trp                    = 24,   /* 3 CLKs */
-        .twr                    = 16,   /* Trdl: 2 CLKs */
-        .refresh                = 64000,
-        .cas_latency            = 3,
-};
-
-static struct sdram_params wbond_w982516ah75l_cl3_params __initdata = {
-        .rows                   = 16,
-        .tck                    = 8,
-        .trcd                   = 20,
-        .trp                    = 20,
-        .twr                    = 8,
-        .refresh                = 64000,
-        .cas_latency            = 3,
+static struct sdram_params sdram_tbl[] __initdata = {
+        {       /* Toshiba TC59SM716 CL2 */
+                .name           = "TC59SM716-CL2",
+                .rows           = 12,
+                .tck            = 10,
+                .trcd           = 20,
+                .trp            = 20,
+                .twr            = 10,
+                .refresh        = 64000,
+                .cas_latency    = 2,
+        }, {    /* Toshiba TC59SM716 CL3 */
+                .name           = "TC59SM716-CL3",
+                .rows           = 12,
+                .tck            = 8,
+                .trcd           = 20,
+                .trp            = 20,
+                .twr            = 8,
+                .refresh        = 64000,
+                .cas_latency    = 3,
+        }, {    /* Samsung K4S641632D TC75 */
+                .name           = "K4S641632D",
+                .rows           = 14,
+                .tck            = 9,
+                .trcd           = 27,
+                .trp            = 20,
+                .twr            = 9,
+                .refresh        = 64000,
+                .cas_latency    = 3,
+        }, {    /* Samsung KM416S4030CT */
+                .name           = "KM416S4030CT",
+                .rows           = 13,
+                .tck            = 8,
+                .trcd           = 24,   /* 3 CLKs */
+                .trp            = 24,   /* 3 CLKs */
+                .twr            = 16,   /* Trdl: 2 CLKs */
+                .refresh        = 64000,
+                .cas_latency    = 3,
+        }, {    /* Winbond W982516AH75L CL3 */
+                .name           = "W982516AH75L",
+                .rows           = 16,
+                .tck            = 8,
+                .trcd           = 20,
+                .trp            = 20,
+                .twr            = 8,
+                .refresh        = 64000,
+                .cas_latency    = 3,
+        },
 };
 
 static struct sdram_params sdram_params;
@@ -336,19 +339,36 @@ static struct cpufreq_driver sa1110_driver = {
         .name           = "sa1110",
 };
 
+static struct sdram_params *sa1110_find_sdram(const char *name)
+{
+        struct sdram_params *sdram;
+
+        for (sdram = sdram_tbl; sdram < sdram_tbl + ARRAY_SIZE(sdram_tbl); sdram++)
+                if (strcmp(name, sdram->name) == 0)
+                        return sdram;
+
+        return NULL;
+}
+
+static char sdram_name[16];
+
 static int __init sa1110_clk_init(void)
 {
-        struct sdram_params *sdram = NULL;
+        struct sdram_params *sdram;
+        const char *name = sdram_name;
 
-        if (machine_is_assabet())
-                sdram = &tc59sm716_cl3_params;
+        if (!name[0]) {
+                if (machine_is_assabet())
+                        name = "TC59SM716-CL3";
 
-        if (machine_is_pt_system3())
-                sdram = &samsung_k4s641632d_tc75;
+                if (machine_is_pt_system3())
+                        name = "K4S641632D";
 
-        if (machine_is_h3100())
-                sdram = &samsung_km416s4030ct;
+                if (machine_is_h3100())
+                        name = "KM416S4030CT";
+        }
 
+        sdram = sa1110_find_sdram(name);
         if (sdram) {
                 printk(KERN_DEBUG "SDRAM: tck: %d trcd: %d trp: %d"
                         " twr: %d refresh: %d cas_latency: %d\n",
@@ -363,4 +383,5 @@ static int __init sa1110_clk_init(void)
         return 0;
 }
 
+module_param_string(sdram, sdram_name, sizeof(sdram_name), 0);
 arch_initcall(sa1110_clk_init);
diff --git a/arch/arm/mach-sa1100/dma.c b/arch/arm/mach-sa1100/dma.c
index be0e4427bec7..3c6441d4bc59 100644
--- a/arch/arm/mach-sa1100/dma.c
+++ b/arch/arm/mach-sa1100/dma.c
@@ -124,7 +124,7 @@ int sa1100_request_dma (dma_device_t device, const char *device_id,
 
         i = dma - dma_chan;
         regs = (dma_regs_t *)&DDAR(i);
-        err = request_irq(IRQ_DMA0 + i, dma_irq_handler, SA_INTERRUPT,
+        err = request_irq(IRQ_DMA0 + i, dma_irq_handler, IRQF_DISABLED,
                           device_id, regs);
         if (err) {
                 printk(KERN_ERR
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index e727ba87b9f2..7364478cec12 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -740,7 +740,7 @@ static void h3800_IRQ_demux(unsigned int irq, struct irqdesc *desc, struct pt_re
 static struct irqaction h3800_irq = {
         .name           = "h3800_asic",
         .handler        = h3800_IRQ_demux,
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
 };
 
 u32 kpio_int_shadow = 0;
@@ -835,7 +835,7 @@ static void __init h3800_init_irq(void)
         }
 #endif
         set_irq_type(IRQ_GPIO_H3800_ASIC, IRQT_RISING);
-        set_irq_chained_handler(IRQ_GPIO_H3800_ASIC, &h3800_IRQ_demux);
+        set_irq_chained_handler(IRQ_GPIO_H3800_ASIC, h3800_IRQ_demux);
 }
 
 
diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index b3a56024182e..2891b8ca86dd 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -11,12 +11,13 @@
  */
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/ioport.h>
 #include <linux/ptrace.h>
 #include <linux/sysdev.h>
 
 #include <asm/hardware.h>
-#include <asm/irq.h>
 #include <asm/mach/irq.h>
 
 #include "generic.h"
diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c
index 0709ebab531c..c7bf7e0038f0 100644
--- a/arch/arm/mach-sa1100/pleb.c
+++ b/arch/arm/mach-sa1100/pleb.c
@@ -7,6 +7,7 @@
 #include <linux/tty.h>
 #include <linux/ioport.h>
 #include <linux/platform_device.h>
+#include <linux/irq.h>
 
 #include <linux/mtd/partitions.h>
 
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index e4b435e634e4..49ae716e16c2 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/timex.h>
 #include <linux/signal.h>
 
@@ -110,7 +111,7 @@ sa1100_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction sa1100_timer_irq = {
         .name           = "SA11xx Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = sa1100_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c
index 877600e212dd..1095df34fec0 100644
--- a/arch/arm/mach-shark/core.c
+++ b/arch/arm/mach-shark/core.c
@@ -6,6 +6,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/sched.h>
 #include <linux/serial_8250.h>
 
@@ -89,7 +90,7 @@ shark_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction shark_timer_irq = {
         .name           = "Shark Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = shark_timer_interrupt,
 };
 
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 08de8490fb69..a432539cc1bd 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -869,7 +869,7 @@ static irqreturn_t versatile_timer_interrupt(int irq, void *dev_id, struct pt_re
 
 static struct irqaction versatile_timer_irq = {
         .name           = "Versatile Timer Tick",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = versatile_timer_interrupt,
 };
 
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c4bca753165b..5f80f184cd32 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -121,8 +121,8 @@ config CPU_ARM925T
 # ARM926T
 config CPU_ARM926T
         bool "Support ARM926T processor"
-        depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412
-        default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412
+        depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261
+        default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261
         select CPU_32v5
         select CPU_ABRT_EV5TJ
         select CPU_CACHE_VIVT
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 7691cfdba567..dba7dddfe57d 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -27,7 +27,16 @@
 
 #include <asm/cacheflush.h>
 #include <asm/io.h>
+#include <asm/mmu_context.h>
+#include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
+#include <asm/sizes.h>
+
+/*
+ * Used by ioremap() and iounmap() code to mark (super)section-mapped
+ * I/O regions in vm_struct->flags field.
+ */
+#define VM_ARM_SECTION_MAPPING  0x80000000
 
 static inline void
 remap_area_pte(pte_t * pte, unsigned long address, unsigned long size,
@@ -113,10 +122,168 @@ remap_area_pages(unsigned long start, unsigned long pfn,
                 dir++;
         } while (address && (address < end));
 
-        flush_cache_vmap(start, end);
         return err;
 }
 
+
+void __check_kvm_seq(struct mm_struct *mm)
+{
+        unsigned int seq;
+
+        do {
+                seq = init_mm.context.kvm_seq;
+                memcpy(pgd_offset(mm, VMALLOC_START),
+                       pgd_offset_k(VMALLOC_START),
+                       sizeof(pgd_t) * (pgd_index(VMALLOC_END) -
+                                        pgd_index(VMALLOC_START)));
+                mm->context.kvm_seq = seq;
+        } while (seq != init_mm.context.kvm_seq);
+}
+
+#ifndef CONFIG_SMP
+/*
+ * Section support is unsafe on SMP - If you iounmap and ioremap a region,
+ * the other CPUs will not see this change until their next context switch.
+ * Meanwhile, (eg) if an interrupt comes in on one of those other CPUs
+ * which requires the new ioremap'd region to be referenced, the CPU will
+ * reference the _old_ region.
+ *
+ * Note that get_vm_area() allocates a guard 4K page, so we need to mask
+ * the size back to 1MB aligned or we will overflow in the loop below.
+ */
+static void unmap_area_sections(unsigned long virt, unsigned long size)
+{
+        unsigned long addr = virt, end = virt + (size & ~SZ_1M);
+        pgd_t *pgd;
+
+        flush_cache_vunmap(addr, end);
+        pgd = pgd_offset_k(addr);
+        do {
+                pmd_t pmd, *pmdp = pmd_offset(pgd, addr);
+
+                pmd = *pmdp;
+                if (!pmd_none(pmd)) {
+                        /*
+                         * Clear the PMD from the page table, and
+                         * increment the kvm sequence so others
+                         * notice this change.
+                         *
+                         * Note: this is still racy on SMP machines.
+                         */
+                        pmd_clear(pmdp);
+                        init_mm.context.kvm_seq++;
+
+                        /*
+                         * Free the page table, if there was one.
+                         */
+                        if ((pmd_val(pmd) & PMD_TYPE_MASK) == PMD_TYPE_TABLE)
+                                pte_free_kernel(pmd_page_kernel(pmd));
+                }
+
+                addr += PGDIR_SIZE;
+                pgd++;
+        } while (addr < end);
+
+        /*
+         * Ensure that the active_mm is up to date - we want to
+         * catch any use-after-iounmap cases.
+         */
+        if (current->active_mm->context.kvm_seq != init_mm.context.kvm_seq)
+                __check_kvm_seq(current->active_mm);
+
+        flush_tlb_kernel_range(virt, end);
+}
+
+static int
+remap_area_sections(unsigned long virt, unsigned long pfn,
+                    unsigned long size, unsigned long flags)
+{
+        unsigned long prot, addr = virt, end = virt + size;
+        pgd_t *pgd;
+
+        /*
+         * Remove and free any PTE-based mapping, and
+         * sync the current kernel mapping.
+         */
+        unmap_area_sections(virt, size);
+
+        prot = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_DOMAIN(DOMAIN_IO) |
+               (flags & (L_PTE_CACHEABLE | L_PTE_BUFFERABLE));
+
+        /*
+         * ARMv6 and above need XN set to prevent speculative prefetches
+         * hitting IO.
+         */
+        if (cpu_architecture() >= CPU_ARCH_ARMv6)
+                prot |= PMD_SECT_XN;
+
+        pgd = pgd_offset_k(addr);
+        do {
+                pmd_t *pmd = pmd_offset(pgd, addr);
+
+                pmd[0] = __pmd(__pfn_to_phys(pfn) | prot);
+                pfn += SZ_1M >> PAGE_SHIFT;
+                pmd[1] = __pmd(__pfn_to_phys(pfn) | prot);
+                pfn += SZ_1M >> PAGE_SHIFT;
+                flush_pmd_entry(pmd);
+
+                addr += PGDIR_SIZE;
+                pgd++;
+        } while (addr < end);
+
+        return 0;
+}
+
+static int
+remap_area_supersections(unsigned long virt, unsigned long pfn,
+                         unsigned long size, unsigned long flags)
+{
+        unsigned long prot, addr = virt, end = virt + size;
+        pgd_t *pgd;
+
+        /*
+         * Remove and free any PTE-based mapping, and
+         * sync the current kernel mapping.
+         */
+        unmap_area_sections(virt, size);
+
+        prot = PMD_TYPE_SECT | PMD_SECT_SUPER | PMD_SECT_AP_WRITE |
+                        PMD_DOMAIN(DOMAIN_IO) |
+                        (flags & (L_PTE_CACHEABLE | L_PTE_BUFFERABLE));
+
+        /*
+         * ARMv6 and above need XN set to prevent speculative prefetches
+         * hitting IO.
+         */
+        if (cpu_architecture() >= CPU_ARCH_ARMv6)
+                prot |= PMD_SECT_XN;
+
+        pgd = pgd_offset_k(virt);
+        do {
+                unsigned long super_pmd_val, i;
+
+                super_pmd_val = __pfn_to_phys(pfn) | prot;
+                super_pmd_val |= ((pfn >> (32 - PAGE_SHIFT)) & 0xf) << 20;
+
+                for (i = 0; i < 8; i++) {
+                        pmd_t *pmd = pmd_offset(pgd, addr);
+
+                        pmd[0] = __pmd(super_pmd_val);
+                        pmd[1] = __pmd(super_pmd_val);
+                        flush_pmd_entry(pmd);
+
+                        addr += PGDIR_SIZE;
+                        pgd++;
+                }
+
+                pfn += SUPERSECTION_SIZE >> PAGE_SHIFT;
+        } while (addr < end);
+
+        return 0;
+}
+#endif
+
+
 /*
  * Remap an arbitrary physical address space into the kernel virtual
  * address space. Needed when the kernel wants to access high addresses
@@ -133,18 +300,41 @@ void __iomem *
 __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
               unsigned long flags)
 {
+        int err;
         unsigned long addr;
         struct vm_struct * area;
 
+        /*
+         * High mappings must be supersection aligned
+         */
+        if (pfn >= 0x100000 && (__pfn_to_phys(pfn) & ~SUPERSECTION_MASK))
+                return NULL;
+
         area = get_vm_area(size, VM_IOREMAP);
         if (!area)
                 return NULL;
         addr = (unsigned long)area->addr;
-        if (remap_area_pages(addr, pfn, size, flags)) {
+
+#ifndef CONFIG_SMP
+        if ((((cpu_architecture() >= CPU_ARCH_ARMv6) && (get_cr() & CR_XP)) ||
+               cpu_is_xsc3()) &&
+               !((__pfn_to_phys(pfn) | size | addr) & ~SUPERSECTION_MASK)) {
+                area->flags |= VM_ARM_SECTION_MAPPING;
+                err = remap_area_supersections(addr, pfn, size, flags);
+        } else if (!((__pfn_to_phys(pfn) | size | addr) & ~PMD_MASK)) {
+                area->flags |= VM_ARM_SECTION_MAPPING;
+                err = remap_area_sections(addr, pfn, size, flags);
+        } else
+#endif
+                err = remap_area_pages(addr, pfn, size, flags);
+
+        if (err) {
                 vunmap((void *)addr);
                 return NULL;
         }
-        return (void __iomem *) (offset + (char *)addr);
+
+        flush_cache_vmap(addr, addr + size);
+        return (void __iomem *) (offset + addr);
 }
 EXPORT_SYMBOL(__ioremap_pfn);
 
@@ -173,6 +363,36 @@ EXPORT_SYMBOL(__ioremap);
 
 void __iounmap(void __iomem *addr)
 {
-        vunmap((void *)(PAGE_MASK & (unsigned long)addr));
+        struct vm_struct **p, *tmp;
+        unsigned int section_mapping = 0;
+
+        addr = (void __iomem *)(PAGE_MASK & (unsigned long)addr);
+
+#ifndef CONFIG_SMP
+        /*
+         * If this is a section based mapping we need to handle it
+         * specially as the VM subysystem does not know how to handle
+         * such a beast. We need the lock here b/c we need to clear
+         * all the mappings before the area can be reclaimed
+         * by someone else.
+         */
+        write_lock(&vmlist_lock);
+        for (p = &vmlist ; (tmp = *p) ; p = &tmp->next) {
+                if((tmp->flags & VM_IOREMAP) && (tmp->addr == addr)) {
+                        if (tmp->flags & VM_ARM_SECTION_MAPPING) {
+                                *p = tmp->next;
+                                unmap_area_sections((unsigned long)tmp->addr,
+                                                    tmp->size);
+                                kfree(tmp);
+                                section_mapping = 1;
+                        }
+                        break;
+                }
+        }
+        write_unlock(&vmlist_lock);
+#endif
+
+        if (!section_mapping)
+                vunmap(addr);
 }
 EXPORT_SYMBOL(__iounmap);
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c
index b0242c6ea066..38769f5862bc 100644
--- a/arch/arm/mm/mm-armv.c
+++ b/arch/arm/mm/mm-armv.c
@@ -302,16 +302,16 @@ static struct mem_types mem_types[] __initdata = {
                 .prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
                                 L_PTE_WRITE,
                 .prot_l1   = PMD_TYPE_TABLE,
-                .prot_sect = PMD_TYPE_SECT | PMD_SECT_UNCACHED |
+                .prot_sect = PMD_TYPE_SECT | PMD_BIT4 | PMD_SECT_UNCACHED |
                                 PMD_SECT_AP_WRITE,
                 .domain    = DOMAIN_IO,
         },
         [MT_CACHECLEAN] = {
-                .prot_sect = PMD_TYPE_SECT,
+                .prot_sect = PMD_TYPE_SECT | PMD_BIT4,
                 .domain    = DOMAIN_KERNEL,
         },
         [MT_MINICLEAN] = {
-                .prot_sect = PMD_TYPE_SECT | PMD_SECT_MINICACHE,
+                .prot_sect = PMD_TYPE_SECT | PMD_BIT4 | PMD_SECT_MINICACHE,
                 .domain    = DOMAIN_KERNEL,
         },
         [MT_LOW_VECTORS] = {
@@ -327,25 +327,25 @@ static struct mem_types mem_types[] __initdata = {
                 .domain    = DOMAIN_USER,
         },
         [MT_MEMORY] = {
-                .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE,
+                .prot_sect = PMD_TYPE_SECT | PMD_BIT4 | PMD_SECT_AP_WRITE,
                 .domain    = DOMAIN_KERNEL,
         },
         [MT_ROM] = {
-                .prot_sect = PMD_TYPE_SECT,
+                .prot_sect = PMD_TYPE_SECT | PMD_BIT4,
                 .domain    = DOMAIN_KERNEL,
         },
         [MT_IXP2000_DEVICE] = { /* IXP2400 requires XCB=101 for on-chip I/O */
                 .prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
                                 L_PTE_WRITE,
                 .prot_l1   = PMD_TYPE_TABLE,
-                .prot_sect = PMD_TYPE_SECT | PMD_SECT_UNCACHED |
+                .prot_sect = PMD_TYPE_SECT | PMD_BIT4 | PMD_SECT_UNCACHED |
                                 PMD_SECT_AP_WRITE | PMD_SECT_BUFFERABLE |
                                 PMD_SECT_TEX(1),
                 .domain    = DOMAIN_IO,
         },
         [MT_NONSHARED_DEVICE] = {
                 .prot_l1   = PMD_TYPE_TABLE,
-                .prot_sect = PMD_TYPE_SECT | PMD_SECT_NONSHARED_DEV |
+                .prot_sect = PMD_TYPE_SECT | PMD_BIT4 | PMD_SECT_NONSHARED_DEV |
                                 PMD_SECT_AP_WRITE,
                 .domain    = DOMAIN_IO,
         }
@@ -375,14 +375,21 @@ void __init build_mem_type_table(void)
                 ecc_mask = 0;
         }
 
-        if (cpu_arch <= CPU_ARCH_ARMv5TEJ && !cpu_is_xscale()) {
-                for (i = 0; i < ARRAY_SIZE(mem_types); i++) {
+        /*
+         * Xscale must not have PMD bit 4 set for section mappings.
+         */
+        if (cpu_is_xscale())
+                for (i = 0; i < ARRAY_SIZE(mem_types); i++)
+                        mem_types[i].prot_sect &= ~PMD_BIT4;
+
+        /*
+         * ARMv5 and lower, excluding Xscale, bit 4 must be set for
+         * page tables.
+         */
+        if (cpu_arch < CPU_ARCH_ARMv6 && !cpu_is_xscale())
+                for (i = 0; i < ARRAY_SIZE(mem_types); i++)
                         if (mem_types[i].prot_l1)
                                 mem_types[i].prot_l1 |= PMD_BIT4;
-                        if (mem_types[i].prot_sect)
-                                mem_types[i].prot_sect |= PMD_BIT4;
-                }
-        }
 
         cp = &cache_policies[cachepolicy];
         kern_pgprot = user_pgprot = cp->pte;
@@ -406,8 +413,8 @@ void __init build_mem_type_table(void)
                  * bit 4 becomes XN which we must clear for the
                  * kernel memory mapping.
                  */
-                mem_types[MT_MEMORY].prot_sect &= ~PMD_BIT4;
-                mem_types[MT_ROM].prot_sect &= ~PMD_BIT4;
+                mem_types[MT_MEMORY].prot_sect &= ~PMD_SECT_XN;
+                mem_types[MT_ROM].prot_sect &= ~PMD_SECT_XN;
 
                 /*
                  * Mark cache clean areas and XIP ROM read only
diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S
index cc609666df05..1d8316f3cecf 100644
--- a/arch/arm/mm/proc-arm1020.S
+++ b/arch/arm/mm/proc-arm1020.S
@@ -34,6 +34,8 @@
 #include <asm/procinfo.h>
 #include <asm/ptrace.h>
 
+#include "proc-macros.S"
+
 /*
  * This is the maximum size of an area which will be invalidated
  * using the single invalidate entry instructions.  Anything larger
@@ -439,11 +441,12 @@ __arm1020_setup:
 #ifdef CONFIG_MMU
         mcr     p15, 0, r0, c8, c7              @ invalidate I,D TLBs on v4
 #endif
+
+        adr     r5, arm1020_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, arm1020_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm1020_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
 #ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
         orr     r0, r0, #0x4000                 @ .R.. .... .... ....
 #endif
@@ -455,12 +458,9 @@ __arm1020_setup:
          * .RVI ZFRS BLDP WCAM
          * .011 1001 ..11 0101
          */
-        .type   arm1020_cr1_clear, #object
-        .type   arm1020_cr1_set, #object
-arm1020_cr1_clear:
-        .word   0x593f
-arm1020_cr1_set:
-        .word   0x3935
+        .type   arm1020_crval, #object
+arm1020_crval:
+        crval   clear=0x0000593f, mmuset=0x00003935, ucset=0x00001930
 
         __INITDATA
 
@@ -526,6 +526,9 @@ __arm1020_proc_info:
         .long   PMD_TYPE_SECT | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm1020_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
index 117a946c28c8..89b1d6d3d7c0 100644
--- a/arch/arm/mm/proc-arm1020e.S
+++ b/arch/arm/mm/proc-arm1020e.S
@@ -34,6 +34,8 @@
 #include <asm/procinfo.h>
 #include <asm/ptrace.h>
 
+#include "proc-macros.S"
+
 /*
  * This is the maximum size of an area which will be invalidated
  * using the single invalidate entry instructions.  Anything larger
@@ -421,11 +423,11 @@ __arm1020e_setup:
 #ifdef CONFIG_MMU
         mcr     p15, 0, r0, c8, c7              @ invalidate I,D TLBs on v4
 #endif
+        adr     r5, arm1020e_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, arm1020e_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm1020e_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
 #ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
         orr     r0, r0, #0x4000                 @ .R.. .... .... ....
 #endif
@@ -437,12 +439,9 @@ __arm1020e_setup:
          * .RVI ZFRS BLDP WCAM
          * .011 1001 ..11 0101
          */
-        .type   arm1020e_cr1_clear, #object
-        .type   arm1020e_cr1_set, #object
-arm1020e_cr1_clear:
-        .word   0x5f3f
-arm1020e_cr1_set:
-        .word   0x3935
+        .type   arm1020e_crval, #object
+arm1020e_crval:
+        crval   clear=0x00007f3f, mmuset=0x00003935, ucset=0x00001930
 
         __INITDATA
 
@@ -476,25 +475,7 @@ cpu_elf_name:
 
         .type   cpu_arm1020e_name, #object
 cpu_arm1020e_name:
-        .ascii  "ARM1020E"
-#ifndef CONFIG_CPU_ICACHE_DISABLE
-        .ascii  "i"
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
-        .ascii  "d"
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-        .ascii  "(wt)"
-#else
-        .ascii  "(wb)"
-#endif
-#endif
-#ifndef CONFIG_CPU_BPREDICT_DISABLE
-        .ascii  "B"
-#endif
-#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
-        .ascii  "RR"
-#endif
-        .ascii  "\0"
+        .asciz  "ARM1020E"
         .size   cpu_arm1020e_name, . - cpu_arm1020e_name
 
         .align
@@ -509,6 +490,10 @@ __arm1020e_proc_info:
                 PMD_BIT4 | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_BIT4 | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm1020e_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S
index 39b7c102180a..a089528e6bce 100644
--- a/arch/arm/mm/proc-arm1022.S
+++ b/arch/arm/mm/proc-arm1022.S
@@ -23,6 +23,8 @@
 #include <asm/procinfo.h>
 #include <asm/ptrace.h>
 
+#include "proc-macros.S"
+
 /*
  * This is the maximum size of an area which will be invalidated
  * using the single invalidate entry instructions.  Anything larger
@@ -403,11 +405,11 @@ __arm1022_setup:
 #ifdef CONFIG_MMU
         mcr     p15, 0, r0, c8, c7              @ invalidate I,D TLBs on v4
 #endif
+        adr     r5, arm1022_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, arm1022_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm1022_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
 #ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
         orr     r0, r0, #0x4000                 @ .R..............
 #endif
@@ -420,12 +422,9 @@ __arm1022_setup:
          * .011 1001 ..11 0101
          * 
          */
-        .type   arm1022_cr1_clear, #object
-        .type   arm1022_cr1_set, #object
-arm1022_cr1_clear:
-        .word   0x7f3f
-arm1022_cr1_set:
-        .word   0x3935
+        .type   arm1022_crval, #object
+arm1022_crval:
+        crval   clear=0x00007f3f, mmuset=0x00003935, ucset=0x00001930
 
         __INITDATA
 
@@ -459,25 +458,7 @@ cpu_elf_name:
 
         .type   cpu_arm1022_name, #object
 cpu_arm1022_name:
-        .ascii  "arm1022"
-#ifndef CONFIG_CPU_ICACHE_DISABLE
-        .ascii  "i"
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
-        .ascii  "d"
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-        .ascii  "(wt)"
-#else
-        .ascii  "(wb)"
-#endif
-#endif
-#ifndef CONFIG_CPU_BPREDICT_DISABLE
-        .ascii  "B"
-#endif
-#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
-        .ascii  "RR"
-#endif
-        .ascii  "\0"
+        .asciz  "ARM1022"
         .size   cpu_arm1022_name, . - cpu_arm1022_name
 
         .align
@@ -492,6 +473,10 @@ __arm1022_proc_info:
                 PMD_BIT4 | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_BIT4 | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm1022_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S
index 33e1ab8eb1d6..d6d84d92c7c7 100644
--- a/arch/arm/mm/proc-arm1026.S
+++ b/arch/arm/mm/proc-arm1026.S
@@ -23,6 +23,8 @@
 #include <asm/procinfo.h>
 #include <asm/ptrace.h>
 
+#include "proc-macros.S"
+
 /*
  * This is the maximum size of an area which will be invalidated
  * using the single invalidate entry instructions.  Anything larger
@@ -398,11 +400,11 @@ __arm1026_setup:
         mov     r0, #4                          @ explicitly disable writeback
         mcr     p15, 7, r0, c15, c0, 0
 #endif
+        adr     r5, arm1026_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, arm1026_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm1026_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
 #ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
         orr     r0, r0, #0x4000                 @ .R.. .... .... ....
 #endif
@@ -415,12 +417,9 @@ __arm1026_setup:
          * .011 1001 ..11 0101
          * 
          */
-        .type   arm1026_cr1_clear, #object
-        .type   arm1026_cr1_set, #object
-arm1026_cr1_clear:
-        .word   0x7f3f
-arm1026_cr1_set:
-        .word   0x3935
+        .type   arm1026_crval, #object
+arm1026_crval:
+        crval   clear=0x00007f3f, mmuset=0x00003935, ucset=0x00001934
 
         __INITDATA
 
@@ -455,25 +454,7 @@ cpu_elf_name:
 
         .type   cpu_arm1026_name, #object
 cpu_arm1026_name:
-        .ascii  "ARM1026EJ-S"
-#ifndef CONFIG_CPU_ICACHE_DISABLE
-        .ascii  "i"
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
-        .ascii  "d"
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-        .ascii  "(wt)"
-#else
-        .ascii  "(wb)"
-#endif
-#endif
-#ifndef CONFIG_CPU_BPREDICT_DISABLE
-        .ascii  "B"
-#endif
-#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
-        .ascii  "RR"
-#endif
-        .ascii  "\0"
+        .asciz  "ARM1026EJ-S"
         .size   cpu_arm1026_name, . - cpu_arm1026_name
 
         .align
@@ -488,6 +469,10 @@ __arm1026_proc_info:
                 PMD_BIT4 | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_BIT4 | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm1026_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S
index 7a705edfa4b2..0432e4806888 100644
--- a/arch/arm/mm/proc-arm6_7.S
+++ b/arch/arm/mm/proc-arm6_7.S
@@ -355,6 +355,10 @@ __arm6_proc_info:
                 .long   0x41560600
                 .long   0xfffffff0
                 .long   0x00000c1e
+                .long   PMD_TYPE_SECT | \
+                        PMD_BIT4 | \
+                        PMD_SECT_AP_WRITE | \
+                        PMD_SECT_AP_READ
                 b       __arm6_setup
                 .long   cpu_arch_name
                 .long   cpu_elf_name
@@ -371,6 +375,10 @@ __arm610_proc_info:
                 .long   0x41560610
                 .long   0xfffffff0
                 .long   0x00000c1e
+                .long   PMD_TYPE_SECT | \
+                        PMD_BIT4 | \
+                        PMD_SECT_AP_WRITE | \
+                        PMD_SECT_AP_READ
                 b       __arm6_setup
                 .long   cpu_arch_name
                 .long   cpu_elf_name
@@ -387,6 +395,10 @@ __arm7_proc_info:
                 .long   0x41007000
                 .long   0xffffff00
                 .long   0x00000c1e
+                .long   PMD_TYPE_SECT | \
+                        PMD_BIT4 | \
+                        PMD_SECT_AP_WRITE | \
+                        PMD_SECT_AP_READ
                 b       __arm7_setup
                 .long   cpu_arch_name
                 .long   cpu_elf_name
@@ -408,6 +420,10 @@ __arm710_proc_info:
                         PMD_BIT4 | \
                         PMD_SECT_AP_WRITE | \
                         PMD_SECT_AP_READ
+                .long   PMD_TYPE_SECT | \
+                        PMD_BIT4 | \
+                        PMD_SECT_AP_WRITE | \
+                        PMD_SECT_AP_READ
                 b       __arm7_setup
                 .long   cpu_arch_name
                 .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S
index 86102467d37f..c2f0705bfd49 100644
--- a/arch/arm/mm/proc-arm720.S
+++ b/arch/arm/mm/proc-arm720.S
@@ -41,6 +41,8 @@
 #include <asm/procinfo.h>
 #include <asm/ptrace.h>
 
+#include "proc-macros.S"
+
 /*
  * Function: arm720_proc_init (void)
  *         : arm720_proc_fin (void)
@@ -169,11 +171,11 @@ __arm720_setup:
 #ifdef CONFIG_MMU
         mcr     p15, 0, r0, c8, c7, 0           @ flush TLB (v4)
 #endif
+        adr     r5, arm720_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register
-        ldr     r5, arm720_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm720_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
         mov     pc, lr                          @ __ret (head.S)
         .size   __arm720_setup, . - __arm720_setup
 
@@ -183,12 +185,9 @@ __arm720_setup:
          * ..1. 1001 ..11 1101
          * 
          */
-        .type   arm720_cr1_clear, #object
-        .type   arm720_cr1_set, #object
-arm720_cr1_clear:
-        .word   0x2f3f
-arm720_cr1_set:
-        .word   0x213d
+        .type   arm720_crval, #object
+arm720_crval:
+        crval   clear=0x00002f3f, mmuset=0x0000213d, ucset=0x00000130
 
                 __INITDATA
 
@@ -246,6 +245,10 @@ __arm710_proc_info:
                         PMD_BIT4 | \
                         PMD_SECT_AP_WRITE | \
                         PMD_SECT_AP_READ
+                .long   PMD_TYPE_SECT | \
+                        PMD_BIT4 | \
+                        PMD_SECT_AP_WRITE | \
+                        PMD_SECT_AP_READ
                 b       __arm710_setup                          @ cpu_flush
                 .long   cpu_arch_name                           @ arch_name
                 .long   cpu_elf_name                            @ elf_name
@@ -267,6 +270,10 @@ __arm720_proc_info:
                         PMD_BIT4 | \
                         PMD_SECT_AP_WRITE | \
                         PMD_SECT_AP_READ
+                .long   PMD_TYPE_SECT | \
+                        PMD_BIT4 | \
+                        PMD_SECT_AP_WRITE | \
+                        PMD_SECT_AP_READ
                 b       __arm720_setup                          @ cpu_flush
                 .long   cpu_arch_name                           @ arch_name
                 .long   cpu_elf_name                            @ elf_name
diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
index 6f0db29ab842..4adb46b3a4e0 100644
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.S
@@ -390,11 +390,11 @@ __arm920_setup:
 #ifdef CONFIG_MMU
         mcr     p15, 0, r0, c8, c7              @ invalidate I,D TLBs on v4
 #endif
+        adr     r5, arm920_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, arm920_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm920_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
         mov     pc, lr
         .size   __arm920_setup, . - __arm920_setup
 
@@ -404,12 +404,9 @@ __arm920_setup:
          * ..11 0001 ..11 0101
          * 
          */
-        .type   arm920_cr1_clear, #object
-        .type   arm920_cr1_set, #object
-arm920_cr1_clear:
-        .word   0x3f3f
-arm920_cr1_set:
-        .word   0x3135
+        .type   arm920_crval, #object
+arm920_crval:
+        crval   clear=0x00003f3f, mmuset=0x00003135, ucset=0x00001130
 
         __INITDATA
 
@@ -443,19 +440,7 @@ cpu_elf_name:
 
         .type   cpu_arm920_name, #object
 cpu_arm920_name:
-        .ascii  "ARM920T"
-#ifndef CONFIG_CPU_ICACHE_DISABLE
-        .ascii  "i"
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
-        .ascii  "d"
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-        .ascii  "(wt)"
-#else
-        .ascii  "(wb)"
-#endif
-#endif
-        .ascii  "\0"
+        .asciz  "ARM920T"
         .size   cpu_arm920_name, . - cpu_arm920_name
 
         .align
@@ -472,6 +457,10 @@ __arm920_proc_info:
                 PMD_BIT4 | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_BIT4 | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm920_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S
index 1ad464cc7bcb..571f082f0247 100644
--- a/arch/arm/mm/proc-arm922.S
+++ b/arch/arm/mm/proc-arm922.S
@@ -394,11 +394,11 @@ __arm922_setup:
 #ifdef CONFIG_MMU
         mcr     p15, 0, r0, c8, c7              @ invalidate I,D TLBs on v4
 #endif
+        adr     r5, arm922_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, arm922_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm922_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
         mov     pc, lr
         .size   __arm922_setup, . - __arm922_setup
 
@@ -408,12 +408,9 @@ __arm922_setup:
          * ..11 0001 ..11 0101
          * 
          */
-        .type   arm922_cr1_clear, #object
-        .type   arm922_cr1_set, #object
-arm922_cr1_clear:
-        .word   0x3f3f
-arm922_cr1_set:
-        .word   0x3135
+        .type   arm922_crval, #object
+arm922_crval:
+        crval   clear=0x00003f3f, mmuset=0x00003135, ucset=0x00001130
 
         __INITDATA
 
@@ -447,19 +444,7 @@ cpu_elf_name:
 
         .type   cpu_arm922_name, #object
 cpu_arm922_name:
-        .ascii  "ARM922T"
-#ifndef CONFIG_CPU_ICACHE_DISABLE
-        .ascii  "i"
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
-        .ascii  "d"
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-        .ascii  "(wt)"
-#else
-        .ascii  "(wb)"
-#endif
-#endif
-        .ascii  "\0"
+        .asciz  "ARM922T"
         .size   cpu_arm922_name, . - cpu_arm922_name
 
         .align
@@ -476,6 +461,10 @@ __arm922_proc_info:
                 PMD_BIT4 | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_BIT4 | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm922_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S
index a55d56ce2264..8d9a9f93b011 100644
--- a/arch/arm/mm/proc-arm925.S
+++ b/arch/arm/mm/proc-arm925.S
@@ -454,11 +454,11 @@ __arm925_setup:
         mcr     p15, 7, r0, c15, c0, 0
 #endif
 
+        adr     r5, arm925_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, arm925_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm925_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
 #ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
         orr     r0, r0, #0x4000                 @ .1.. .... .... ....
 #endif
@@ -471,12 +471,9 @@ __arm925_setup:
          * .011 0001 ..11 1101
          * 
          */
-        .type   arm925_cr1_clear, #object
-        .type   arm925_cr1_set, #object
-arm925_cr1_clear:
-        .word   0x7f3f
-arm925_cr1_set:
-        .word   0x313d
+        .type   arm925_crval, #object
+arm925_crval:
+        crval   clear=0x00007f3f, mmuset=0x0000313d, ucset=0x00001130
 
         __INITDATA
 
@@ -510,22 +507,7 @@ cpu_elf_name:
 
         .type   cpu_arm925_name, #object
 cpu_arm925_name:
-        .ascii  "ARM925T"
-#ifndef CONFIG_CPU_ICACHE_DISABLE
-        .ascii  "i"
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
-        .ascii  "d"
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-        .ascii  "(wt)"
-#else
-        .ascii  "(wb)"
-#endif
-#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
-        .ascii  "RR"
-#endif
-#endif
-        .ascii  "\0"
+        .asciz  "ARM925T"
         .size   cpu_arm925_name, . - cpu_arm925_name
 
         .align
@@ -540,6 +522,10 @@ __arm925_proc_info:
                 PMD_BIT4 | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_BIT4 | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm925_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -559,6 +545,10 @@ __arm915_proc_info:
                 PMD_BIT4 | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_BIT4 | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm925_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index 20275967663d..1e89d4080474 100644
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -403,11 +403,11 @@ __arm926_setup:
         mcr     p15, 7, r0, c15, c0, 0
 #endif 
 
+        adr     r5, arm926_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, arm926_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, arm926_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
 #ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
         orr     r0, r0, #0x4000                 @ .1.. .... .... ....
 #endif
@@ -420,12 +420,9 @@ __arm926_setup:
          * .011 0001 ..11 0101
          * 
          */
-        .type   arm926_cr1_clear, #object
-        .type   arm926_cr1_set, #object
-arm926_cr1_clear:
-        .word   0x7f3f
-arm926_cr1_set:
-        .word   0x3135
+        .type   arm926_crval, #object
+arm926_crval:
+        crval   clear=0x00007f3f, mmuset=0x00003135, ucset=0x00001134
 
         __INITDATA
 
@@ -459,22 +456,7 @@ cpu_elf_name:
 
         .type   cpu_arm926_name, #object
 cpu_arm926_name:
-        .ascii  "ARM926EJ-S"
-#ifndef CONFIG_CPU_ICACHE_DISABLE
-        .ascii  "i"
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
-        .ascii  "d"
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-        .ascii  "(wt)"
-#else
-        .ascii  "(wb)"
-#endif
-#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
-        .ascii  "RR"
-#endif
-#endif
-        .ascii  "\0"
+        .asciz  "ARM926EJ-S"
         .size   cpu_arm926_name, . - cpu_arm926_name
 
         .align
@@ -491,6 +473,10 @@ __arm926_proc_info:
                 PMD_BIT4 | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_BIT4 | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __arm926_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index 7cfc2604a1ee..9e2c89eb2115 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -49,3 +49,13 @@
         .macro  asid, rd, rn
         and     \rd, \rn, #255
         .endm
+
+        .macro  crval, clear, mmuset, ucset
+#ifdef CONFIG_MMU
+        .word   \clear
+        .word   \mmuset
+#else
+        .word   \clear
+        .word   \ucset
+#endif
+        .endm
diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S
index 5a760a2c629c..c878064e9b88 100644
--- a/arch/arm/mm/proc-sa110.S
+++ b/arch/arm/mm/proc-sa110.S
@@ -23,6 +23,8 @@
 #include <asm/pgtable.h>
 #include <asm/ptrace.h>
 
+#include "proc-macros.S"
+
 /*
  * the cache line size of the I and D cache
  */
@@ -185,11 +187,12 @@ __sa110_setup:
 #ifdef CONFIG_MMU
         mcr     p15, 0, r10, c8, c7             @ invalidate I,D TLBs on v4
 #endif
+
+        adr     r5, sa110_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, sa110_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, sa110_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
         mov     pc, lr
         .size   __sa110_setup, . - __sa110_setup
 
@@ -199,12 +202,9 @@ __sa110_setup:
          * ..01 0001 ..11 1101
          * 
          */
-        .type   sa110_cr1_clear, #object
-        .type   sa110_cr1_set, #object
-sa110_cr1_clear:
-        .word   0x3f3f
-sa110_cr1_set:
-        .word   0x113d
+        .type   sa110_crval, #object
+sa110_crval:
+        crval   clear=0x00003f3f, mmuset=0x0000113d, ucset=0x00001130
 
         __INITDATA
 
@@ -255,6 +255,9 @@ __sa110_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __sa110_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index 0a2107ad4c32..b23b66a6155a 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -27,6 +27,8 @@
 #include <asm/pgtable-hwdef.h>
 #include <asm/pgtable.h>
 
+#include "proc-macros.S"
+
 /*
  * the cache line size of the I and D cache
  */
@@ -198,11 +200,11 @@ __sa1100_setup:
 #ifdef CONFIG_MMU
         mcr     p15, 0, r0, c8, c7              @ invalidate I,D TLBs on v4
 #endif
+        adr     r5, sa1100_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0              @ get control register v4
-        ldr     r5, sa1100_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, sa1100_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
         mov     pc, lr
         .size   __sa1100_setup, . - __sa1100_setup
 
@@ -212,12 +214,9 @@ __sa1100_setup:
          * ..11 0001 ..11 1101
          * 
          */
-        .type   sa1100_cr1_clear, #object
-        .type   sa1100_cr1_set, #object
-sa1100_cr1_clear:
-        .word   0x3f3f
-sa1100_cr1_set:
-        .word   0x313d
+        .type   sa1100_crval, #object
+sa1100_crval:
+        crval   clear=0x00003f3f, mmuset=0x0000313d, ucset=0x00001130
 
         __INITDATA
 
@@ -276,6 +275,9 @@ __sa1100_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __sa1100_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -296,6 +298,9 @@ __sa1110_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __sa1100_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index ca13d4d05f65..6f72549f8843 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -212,11 +212,11 @@ __v6_setup:
         orr     r0, r0, #(0xf << 20)
         mcr     p15, 0, r0, c1, c0, 2           @ Enable full access to VFP
 #endif
+        adr     r5, v6_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0, 0           @ read control register
-        ldr     r5, v6_cr1_clear                @ get mask for bits to clear
         bic     r0, r0, r5                      @ clear bits them
-        ldr     r5, v6_cr1_set                  @ get mask for bits to set
-        orr     r0, r0, r5                      @ set them
+        orr     r0, r0, r6                      @ set them
         mov     pc, lr                          @ return to head.S:__ret
 
         /*
@@ -225,12 +225,9 @@ __v6_setup:
          * rrrr rrrx xxx0 0101 xxxx xxxx x111 xxxx < forced
          *         0 110       0011 1.00 .111 1101 < we want
          */
-        .type   v6_cr1_clear, #object
-        .type   v6_cr1_set, #object
-v6_cr1_clear:
-        .word   0x01e0fb7f
-v6_cr1_set:
-        .word   0x00c0387d
+        .type   v6_crval, #object
+v6_crval:
+        crval   clear=0x01e0fb7f, mmuset=0x00c0387d, ucset=0x00c0187c
 
         .type   v6_processor_functions, #object
 ENTRY(v6_processor_functions)
@@ -269,6 +266,10 @@ __v6_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_XN | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __v6_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 8d32e21fe151..4ace2d8090c7 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -426,23 +426,26 @@ __xsc3_setup:
         orr     r0, r0, #(1 << 10)              @ enable L2 for LLR cache
 #endif
         mcr     p15, 0, r0, c1, c0, 1           @ set auxiliary control reg
+
+        adr     r5, xsc3_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0, 0           @ get control register
-        bic     r0, r0, #0x0002                 @ .... .... .... ..A.
-        orr     r0, r0, #0x0005                 @ .... .... .... .C.M
+        bic     r0, r0, r5                      @ .... .... .... ..A.
+        orr     r0, r0, r6                      @ .... .... .... .C.M
 #if BTB_ENABLE
-        bic     r0, r0, #0x0200                 @ .... ..R. .... ....
-        orr     r0, r0, #0x3900                 @ ..VI Z..S .... ....
-#else
-        bic     r0, r0, #0x0a00                 @ .... Z.R. .... ....
-        orr     r0, r0, #0x3100                 @ ..VI ...S .... ....
+        orr     r0, r0, #0x00000800             @ ..VI Z..S .... ....
 #endif
 #if L2_CACHE_ENABLE
-        orr     r0, r0, #0x4000000              @ L2 enable
+        orr     r0, r0, #0x04000000             @ L2 enable
 #endif
         mov     pc, lr
 
         .size   __xsc3_setup, . - __xsc3_setup
 
+        .type   xsc3_crval, #object
+xsc3_crval:
+        crval   clear=0x04003b02, mmuset=0x00003105, ucset=0x00001100
+
         __INITDATA
 
 /*
@@ -487,7 +490,14 @@ cpu_xsc3_name:
 __xsc3_proc_info:
         .long   0x69056000
         .long   0xffffe000
-        .long   0x00000c0e
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_BUFFERABLE | \
+                PMD_SECT_CACHEABLE | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xsc3_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 29bcc4dd6517..521538671f4c 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -138,17 +138,23 @@ ENTRY(cpu_xscale_proc_fin)
  * to what would be the reset vector.
  *
  * loc: location to jump to for soft reset
+ *
+ * Beware PXA270 erratum E7.
  */
         .align  5
 ENTRY(cpu_xscale_reset)
         mov     r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
         msr     cpsr_c, r1                      @ reset CPSR
+        mcr     p15, 0, r1, c10, c4, 1          @ unlock I-TLB
+        mcr     p15, 0, r1, c8, c5, 0           @ invalidate I-TLB
         mrc     p15, 0, r1, c1, c0, 0           @ ctrl register
         bic     r1, r1, #0x0086                 @ ........B....CA.
         bic     r1, r1, #0x3900                 @ ..VIZ..S........
+        sub     pc, pc, #4                      @ flush pipeline
+        @ *** cache line aligned ***
         mcr     p15, 0, r1, c1, c0, 0           @ ctrl register
-        mcr     p15, 0, ip, c7, c7, 0           @ invalidate I,D caches & BTB
         bic     r1, r1, #0x0001                 @ ...............M
+        mcr     p15, 0, ip, c7, c7, 0           @ invalidate I,D caches & BTB
         mcr     p15, 0, r1, c1, c0, 0           @ ctrl register
         @ CAUTION: MMU turned off from this point. We count on the pipeline
         @ already containing those two last instructions to survive.
@@ -475,11 +481,12 @@ __xscale_setup:
         orr     r0, r0, #1 << 6                 @ cp6 for IOP3xx and Bulverde
         orr     r0, r0, #1 << 13                @ Its undefined whether this
         mcr     p15, 0, r0, c15, c1, 0          @ affects USR or SVC modes
+
+        adr     r5, xscale_crval
+        ldmia   r5, {r5, r6}
         mrc     p15, 0, r0, c1, c0, 0           @ get control register
-        ldr     r5, xscale_cr1_clear
         bic     r0, r0, r5
-        ldr     r5, xscale_cr1_set
-        orr     r0, r0, r5
+        orr     r0, r0, r6
         mov     pc, lr
         .size   __xscale_setup, . - __xscale_setup
 
@@ -489,12 +496,9 @@ __xscale_setup:
          * ..11 1.01 .... .101
          * 
          */
-        .type   xscale_cr1_clear, #object
-        .type   xscale_cr1_set, #object
-xscale_cr1_clear:
-        .word   0x3b07
-xscale_cr1_set:
-        .word   0x3905
+        .type   xscale_crval, #object
+xscale_crval:
+        crval   clear=0x00003b07, mmuset=0x00003905, ucset=0x00001900
 
         __INITDATA
 
@@ -595,6 +599,9 @@ __80200_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -615,6 +622,9 @@ __8032x_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -635,6 +645,9 @@ __8033x_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -655,6 +668,9 @@ __pxa250_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -675,6 +691,9 @@ __pxa210_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -695,6 +714,9 @@ __ixp2400_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -715,6 +737,9 @@ __ixp2800_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -735,6 +760,9 @@ __ixp42x_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -750,7 +778,14 @@ __ixp42x_proc_info:
 __ixp46x_proc_info:
         .long   0x69054200
         .long   0xffffff00
-        .long   0x00000c0e
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_BUFFERABLE | \
+                PMD_SECT_CACHEABLE | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -771,6 +806,9 @@ __pxa255_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
@@ -791,6 +829,9 @@ __pxa270_proc_info:
                 PMD_SECT_CACHEABLE | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
         b       __xscale_setup
         .long   cpu_arch_name
         .long   cpu_elf_name
diff --git a/arch/arm/oprofile/op_model_xscale.c b/arch/arm/oprofile/op_model_xscale.c
index e0f0b320d76c..34fdc733743b 100644
--- a/arch/arm/oprofile/op_model_xscale.c
+++ b/arch/arm/oprofile/op_model_xscale.c
@@ -384,7 +384,7 @@ static int xscale_pmu_start(void)
         int ret;
         u32 pmnc = read_pmnc();
 
-        ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, SA_INTERRUPT,
+        ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, IRQF_DISABLED,
                         "XScale PMU", (void *)results);
 
         if (ret < 0) {
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index ec49495e651e..ec752e16d618 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -91,7 +91,7 @@ config OMAP_32K_TIMER_HZ
 
 config OMAP_DM_TIMER
         bool "Use dual-mode timer"
-        depends on ARCH_OMAP16XX
+        depends on ARCH_OMAP16XX || ARCH_OMAP24XX
         help
          Select this option if you want to use OMAP Dual-Mode timers.
 
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index c520e9dcdd8a..7f45c7c3e673 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -27,9 +27,9 @@
 
 #include <asm/arch/clock.h>
 
-LIST_HEAD(clocks);
+static LIST_HEAD(clocks);
 static DEFINE_MUTEX(clocks_mutex);
-DEFINE_SPINLOCK(clockfw_lock);
+static DEFINE_SPINLOCK(clockfw_lock);
 
 static struct clk_functions *arch_clock;
 
diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c
index 98edc9fdd6d1..a0c71dca2373 100644
--- a/arch/arm/plat-omap/cpu-omap.c
+++ b/arch/arm/plat-omap/cpu-omap.c
@@ -25,6 +25,14 @@
 #include <asm/io.h>
 #include <asm/system.h>
 
+#define VERY_HI_RATE    900000000
+
+#ifdef CONFIG_ARCH_OMAP1
+#define MPU_CLK         "mpu"
+#else
+#define MPU_CLK         "virt_prcm_set"
+#endif
+
 /* TODO: Add support for SDRAM timing changes */
 
 int omap_verify_speed(struct cpufreq_policy *policy)
@@ -36,7 +44,7 @@ int omap_verify_speed(struct cpufreq_policy *policy)
 
         cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
                                      policy->cpuinfo.max_freq);
-        mpu_clk = clk_get(NULL, "mpu");
+        mpu_clk = clk_get(NULL, MPU_CLK);
         if (IS_ERR(mpu_clk))
                 return PTR_ERR(mpu_clk);
         policy->min = clk_round_rate(mpu_clk, policy->min * 1000) / 1000;
@@ -56,7 +64,7 @@ unsigned int omap_getspeed(unsigned int cpu)
         if (cpu)
                 return 0;
 
-        mpu_clk = clk_get(NULL, "mpu");
+        mpu_clk = clk_get(NULL, MPU_CLK);
         if (IS_ERR(mpu_clk))
                 return 0;
         rate = clk_get_rate(mpu_clk) / 1000;
@@ -73,7 +81,7 @@ static int omap_target(struct cpufreq_policy *policy,
         struct cpufreq_freqs freqs;
         int ret = 0;
 
-        mpu_clk = clk_get(NULL, "mpu");
+        mpu_clk = clk_get(NULL, MPU_CLK);
         if (IS_ERR(mpu_clk))
                 return PTR_ERR(mpu_clk);
 
@@ -93,7 +101,7 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy)
 {
         struct clk * mpu_clk;
 
-        mpu_clk = clk_get(NULL, "mpu");
+        mpu_clk = clk_get(NULL, MPU_CLK);
         if (IS_ERR(mpu_clk))
                 return PTR_ERR(mpu_clk);
 
@@ -102,7 +110,7 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy)
         policy->cur = policy->min = policy->max = omap_getspeed(0);
         policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
         policy->cpuinfo.min_freq = clk_round_rate(mpu_clk, 0) / 1000;
-        policy->cpuinfo.max_freq = clk_round_rate(mpu_clk, 216000000) / 1000;
+        policy->cpuinfo.max_freq = clk_round_rate(mpu_clk, VERY_HI_RATE) / 1000;
         policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
         clk_put(mpu_clk);
 
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index ca486c9f36b5..1812f237d12f 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -104,7 +104,7 @@ static void omap_init_kp(void)
                 omap_cfg_reg(E20_1610_KBR3);
                 omap_cfg_reg(E19_1610_KBR4);
                 omap_cfg_reg(N19_1610_KBR5);
-        } else if (machine_is_omap_perseus2()) {
+        } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
                 omap_cfg_reg(E2_730_KBR0);
                 omap_cfg_reg(J7_730_KBR1);
                 omap_cfg_reg(E1_730_KBR2);
@@ -161,8 +161,8 @@ static u64 mmc1_dmamask = 0xffffffff;
 
 static struct resource mmc1_resources[] = {
         {
-                .start          = IO_ADDRESS(OMAP_MMC1_BASE),
-                .end            = IO_ADDRESS(OMAP_MMC1_BASE) + 0x7f,
+                .start          = OMAP_MMC1_BASE,
+                .end            = OMAP_MMC1_BASE + 0x7f,
                 .flags          = IORESOURCE_MEM,
         },
         {
@@ -190,8 +190,8 @@ static u64 mmc2_dmamask = 0xffffffff;
 
 static struct resource mmc2_resources[] = {
         {
-                .start          = IO_ADDRESS(OMAP_MMC2_BASE),
-                .end            = IO_ADDRESS(OMAP_MMC2_BASE) + 0x7f,
+                .start          = OMAP_MMC2_BASE,
+                .end            = OMAP_MMC2_BASE + 0x7f,
                 .flags          = IORESOURCE_MEM,
         },
         {
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 5dac4230360d..9eddc9507147 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -24,9 +24,9 @@
 #include <linux/spinlock.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/system.h>
-#include <asm/irq.h>
 #include <asm/hardware.h>
 #include <asm/dma.h>
 #include <asm/io.h>
@@ -43,6 +43,7 @@
 
 #define OMAP_DMA_ACTIVE         0x01
 #define OMAP_DMA_CCR_EN         (1 << 7)
+#define OMAP2_DMA_CSR_CLEAR_MASK        0xffe
 
 #define OMAP_FUNC_MUX_ARM_BASE  (0xfffe1000 + 0xec)
 
@@ -166,18 +167,24 @@ void omap_set_dma_transfer_params(int lch, int data_type, int elem_count,
         if (cpu_is_omap24xx() && dma_trigger) {
                 u32 val = OMAP_DMA_CCR_REG(lch);
 
+                val &= ~(3 << 19);
                 if (dma_trigger > 63)
                         val |= 1 << 20;
                 if (dma_trigger > 31)
                         val |= 1 << 19;
 
+                val &= ~(0x1f);
                 val |= (dma_trigger & 0x1f);
 
                 if (sync_mode & OMAP_DMA_SYNC_FRAME)
                         val |= 1 << 5;
+                else
+                        val &= ~(1 << 5);
 
                 if (sync_mode & OMAP_DMA_SYNC_BLOCK)
                         val |= 1 << 18;
+                else
+                        val &= ~(1 << 18);
 
                 if (src_or_dst_synch)
                         val |= 1 << 24;         /* source synch */
@@ -286,22 +293,39 @@ void omap_set_dma_src_data_pack(int lch, int enable)
 
 void omap_set_dma_src_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
 {
+        unsigned int burst = 0;
         OMAP_DMA_CSDP_REG(lch) &= ~(0x03 << 7);
 
         switch (burst_mode) {
         case OMAP_DMA_DATA_BURST_DIS:
                 break;
         case OMAP_DMA_DATA_BURST_4:
-                OMAP_DMA_CSDP_REG(lch) |= (0x02 << 7);
+                if (cpu_is_omap24xx())
+                        burst = 0x1;
+                else
+                        burst = 0x2;
                 break;
         case OMAP_DMA_DATA_BURST_8:
-                /* not supported by current hardware
+                if (cpu_is_omap24xx()) {
+                        burst = 0x2;
+                        break;
+                }
+                /* not supported by current hardware on OMAP1
                  * w |= (0x03 << 7);
                  * fall through
                  */
+        case OMAP_DMA_DATA_BURST_16:
+                if (cpu_is_omap24xx()) {
+                        burst = 0x3;
+                        break;
+                }
+                /* OMAP1 don't support burst 16
+                 * fall through
+                 */
         default:
                 BUG();
         }
+        OMAP_DMA_CSDP_REG(lch) |= (burst << 7);
 }
 
 /* Note that dest_port is only for OMAP1 */
@@ -348,30 +372,49 @@ void omap_set_dma_dest_data_pack(int lch, int enable)
 
 void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode)
 {
+        unsigned int burst = 0;
         OMAP_DMA_CSDP_REG(lch) &= ~(0x03 << 14);
 
         switch (burst_mode) {
         case OMAP_DMA_DATA_BURST_DIS:
                 break;
         case OMAP_DMA_DATA_BURST_4:
-                OMAP_DMA_CSDP_REG(lch) |= (0x02 << 14);
+                if (cpu_is_omap24xx())
+                        burst = 0x1;
+                else
+                        burst = 0x2;
                 break;
         case OMAP_DMA_DATA_BURST_8:
-                OMAP_DMA_CSDP_REG(lch) |= (0x03 << 14);
+                if (cpu_is_omap24xx())
+                        burst = 0x2;
+                else
+                        burst = 0x3;
                 break;
+        case OMAP_DMA_DATA_BURST_16:
+                if (cpu_is_omap24xx()) {
+                        burst = 0x3;
+                        break;
+                }
+                /* OMAP1 don't support burst 16
+                 * fall through
+                 */
         default:
                 printk(KERN_ERR "Invalid DMA burst mode\n");
                 BUG();
                 return;
         }
+        OMAP_DMA_CSDP_REG(lch) |= (burst << 14);
 }
 
 static inline void omap_enable_channel_irq(int lch)
 {
         u32 status;
 
-        /* Read CSR to make sure it's cleared. */
-        status = OMAP_DMA_CSR_REG(lch);
+        /* Clear CSR */
+        if (cpu_class_is_omap1())
+                status = OMAP_DMA_CSR_REG(lch);
+        else if (cpu_is_omap24xx())
+                OMAP_DMA_CSR_REG(lch) = OMAP2_DMA_CSR_CLEAR_MASK;
 
         /* Enable some nice interrupts. */
         OMAP_DMA_CICR_REG(lch) = dma_chan[lch].enabled_irqs;
@@ -470,11 +513,13 @@ int omap_request_dma(int dev_id, const char *dev_name,
         chan->dev_name = dev_name;
         chan->callback = callback;
         chan->data = data;
-        chan->enabled_irqs = OMAP_DMA_TOUT_IRQ | OMAP_DMA_DROP_IRQ |
-                                OMAP_DMA_BLOCK_IRQ;
+        chan->enabled_irqs = OMAP_DMA_DROP_IRQ | OMAP_DMA_BLOCK_IRQ;
 
-        if (cpu_is_omap24xx())
-                chan->enabled_irqs |= OMAP2_DMA_TRANS_ERR_IRQ;
+        if (cpu_class_is_omap1())
+                chan->enabled_irqs |= OMAP1_DMA_TOUT_IRQ;
+        else if (cpu_is_omap24xx())
+                chan->enabled_irqs |= OMAP2_DMA_MISALIGNED_ERR_IRQ |
+                        OMAP2_DMA_TRANS_ERR_IRQ;
 
         if (cpu_is_omap16xx()) {
                 /* If the sync device is set, configure it dynamically. */
@@ -494,7 +539,7 @@ int omap_request_dma(int dev_id, const char *dev_name,
 
                 omap_enable_channel_irq(free_ch);
                 /* Clear the CSR register and IRQ status register */
-                OMAP_DMA_CSR_REG(free_ch) = 0x0;
+                OMAP_DMA_CSR_REG(free_ch) = OMAP2_DMA_CSR_CLEAR_MASK;
                 omap_writel(~0x0, OMAP_DMA4_IRQSTATUS_L0);
         }
 
@@ -534,7 +579,7 @@ void omap_free_dma(int lch)
                 omap_writel(val, OMAP_DMA4_IRQENABLE_L0);
 
                 /* Clear the CSR register and IRQ status register */
-                OMAP_DMA_CSR_REG(lch) = 0x0;
+                OMAP_DMA_CSR_REG(lch) = OMAP2_DMA_CSR_CLEAR_MASK;
 
                 val = omap_readl(OMAP_DMA4_IRQSTATUS_L0);
                 val |= 1 << lch;
@@ -798,7 +843,7 @@ static int omap1_dma_handle_ch(int ch)
                        "%d (CSR %04x)\n", ch, csr);
                 return 0;
         }
-        if (unlikely(csr & OMAP_DMA_TOUT_IRQ))
+        if (unlikely(csr & OMAP1_DMA_TOUT_IRQ))
                 printk(KERN_WARNING "DMA timeout with device %d\n",
                        dma_chan[ch].dev_id);
         if (unlikely(csr & OMAP_DMA_DROP_IRQ))
@@ -846,20 +891,21 @@ static int omap2_dma_handle_ch(int ch)
                 return 0;
         if (unlikely(dma_chan[ch].dev_id == -1))
                 return 0;
-        /* REVISIT: According to 24xx TRM, there's no TOUT_IE */
-        if (unlikely(status & OMAP_DMA_TOUT_IRQ))
-                printk(KERN_INFO "DMA timeout with device %d\n",
-                       dma_chan[ch].dev_id);
         if (unlikely(status & OMAP_DMA_DROP_IRQ))
                 printk(KERN_INFO
                        "DMA synchronization event drop occurred with device "
                        "%d\n", dma_chan[ch].dev_id);
-
         if (unlikely(status & OMAP2_DMA_TRANS_ERR_IRQ))
                 printk(KERN_INFO "DMA transaction error with device %d\n",
                        dma_chan[ch].dev_id);
+        if (unlikely(status & OMAP2_DMA_SECURE_ERR_IRQ))
+                printk(KERN_INFO "DMA secure error with device %d\n",
+                       dma_chan[ch].dev_id);
+        if (unlikely(status & OMAP2_DMA_MISALIGNED_ERR_IRQ))
+                printk(KERN_INFO "DMA misaligned error with device %d\n",
+                       dma_chan[ch].dev_id);
 
-        OMAP_DMA_CSR_REG(ch) = 0x20;
+        OMAP_DMA_CSR_REG(ch) = OMAP2_DMA_CSR_CLEAR_MASK;
 
         val = omap_readl(OMAP_DMA4_IRQSTATUS_L0);
         /* ch in this function is from 0-31 while in register it is 1-32 */
@@ -893,7 +939,7 @@ static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id,
 static struct irqaction omap24xx_dma_irq = {
         .name = "DMA",
         .handler = omap2_dma_irq_handler,
-        .flags = SA_INTERRUPT
+        .flags = IRQF_DISABLED
 };
 
 #else
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index eba3cb52ad87..50524436de63 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -4,7 +4,8 @@
  * OMAP Dual-Mode Timers
  *
  * Copyright (C) 2005 Nokia Corporation
- * Author: Lauri Leukkunen <lauri.leukkunen@nokia.com>
+ * OMAP2 support by Juha Yrjola
+ * API improvements and OMAP2 clock framework support by Timo Teras
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -26,15 +27,17 @@
  */
 
 #include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
 #include <asm/hardware.h>
 #include <asm/arch/dmtimer.h>
 #include <asm/io.h>
 #include <asm/arch/irqs.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-
-#define OMAP_TIMER_COUNT                8
 
+/* register offsets */
 #define OMAP_TIMER_ID_REG               0x00
 #define OMAP_TIMER_OCP_CFG_REG          0x10
 #define OMAP_TIMER_SYS_STAT_REG         0x14
@@ -50,52 +53,196 @@
 #define OMAP_TIMER_CAPTURE_REG          0x3c
 #define OMAP_TIMER_IF_CTRL_REG          0x40
 
+/* timer control reg bits */
+#define OMAP_TIMER_CTRL_GPOCFG          (1 << 14)
+#define OMAP_TIMER_CTRL_CAPTMODE        (1 << 13)
+#define OMAP_TIMER_CTRL_PT              (1 << 12)
+#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH   (0x1 << 8)
+#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW   (0x2 << 8)
+#define OMAP_TIMER_CTRL_TCM_BOTHEDGES   (0x3 << 8)
+#define OMAP_TIMER_CTRL_SCPWM           (1 << 7)
+#define OMAP_TIMER_CTRL_CE              (1 << 6)        /* compare enable */
+#define OMAP_TIMER_CTRL_PRE             (1 << 5)        /* prescaler enable */
+#define OMAP_TIMER_CTRL_PTV_SHIFT       2               /* how much to shift the prescaler value */
+#define OMAP_TIMER_CTRL_AR              (1 << 1)        /* auto-reload enable */
+#define OMAP_TIMER_CTRL_ST              (1 << 0)        /* start timer */
+
+struct omap_dm_timer {
+        unsigned long phys_base;
+        int irq;
+#ifdef CONFIG_ARCH_OMAP2
+        struct clk *iclk, *fclk;
+#endif
+        void __iomem *io_base;
+        unsigned reserved:1;
+};
 
-static struct dmtimer_info_struct {
-        struct list_head        unused_timers;
-        struct list_head        reserved_timers;
-} dm_timer_info;
+#ifdef CONFIG_ARCH_OMAP1
 
 static struct omap_dm_timer dm_timers[] = {
-        { .base=0xfffb1400, .irq=INT_1610_GPTIMER1 },
-        { .base=0xfffb1c00, .irq=INT_1610_GPTIMER2 },
-        { .base=0xfffb2400, .irq=INT_1610_GPTIMER3 },
-        { .base=0xfffb2c00, .irq=INT_1610_GPTIMER4 },
-        { .base=0xfffb3400, .irq=INT_1610_GPTIMER5 },
-        { .base=0xfffb3c00, .irq=INT_1610_GPTIMER6 },
-        { .base=0xfffb4400, .irq=INT_1610_GPTIMER7 },
-        { .base=0xfffb4c00, .irq=INT_1610_GPTIMER8 },
-        { .base=0x0 },
+        { .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 },
+        { .phys_base = 0xfffb1c00, .irq = INT_1610_GPTIMER2 },
+        { .phys_base = 0xfffb2400, .irq = INT_1610_GPTIMER3 },
+        { .phys_base = 0xfffb2c00, .irq = INT_1610_GPTIMER4 },
+        { .phys_base = 0xfffb3400, .irq = INT_1610_GPTIMER5 },
+        { .phys_base = 0xfffb3c00, .irq = INT_1610_GPTIMER6 },
+        { .phys_base = 0xfffb4400, .irq = INT_1610_GPTIMER7 },
+        { .phys_base = 0xfffb4c00, .irq = INT_1610_GPTIMER8 },
 };
 
+#elif defined(CONFIG_ARCH_OMAP2)
+
+static struct omap_dm_timer dm_timers[] = {
+        { .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 },
+        { .phys_base = 0x4802a000, .irq = INT_24XX_GPTIMER2 },
+        { .phys_base = 0x48078000, .irq = INT_24XX_GPTIMER3 },
+        { .phys_base = 0x4807a000, .irq = INT_24XX_GPTIMER4 },
+        { .phys_base = 0x4807c000, .irq = INT_24XX_GPTIMER5 },
+        { .phys_base = 0x4807e000, .irq = INT_24XX_GPTIMER6 },
+        { .phys_base = 0x48080000, .irq = INT_24XX_GPTIMER7 },
+        { .phys_base = 0x48082000, .irq = INT_24XX_GPTIMER8 },
+        { .phys_base = 0x48084000, .irq = INT_24XX_GPTIMER9 },
+        { .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 },
+        { .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 },
+        { .phys_base = 0x4808a000, .irq = INT_24XX_GPTIMER12 },
+};
+
+static const char *dm_source_names[] = {
+        "sys_ck",
+        "func_32k_ck",
+        "alt_ck"
+};
 
+static struct clk *dm_source_clocks[3];
+
+#else
+
+#error OMAP architecture not supported!
+
+#endif
+
+static const int dm_timer_count = ARRAY_SIZE(dm_timers);
 static spinlock_t dm_timer_lock;
 
+static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, int reg)
+{
+        return readl(timer->io_base + reg);
+}
 
-inline void omap_dm_timer_write_reg(struct omap_dm_timer *timer, int reg, u32 value)
+static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, int reg, u32 value)
 {
-        omap_writel(value, timer->base + reg);
+        writel(value, timer->io_base + reg);
         while (omap_dm_timer_read_reg(timer, OMAP_TIMER_WRITE_PEND_REG))
                 ;
 }
 
-u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, int reg)
+static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer)
 {
-        return omap_readl(timer->base + reg);
+        int c;
+
+        c = 0;
+        while (!(omap_dm_timer_read_reg(timer, OMAP_TIMER_SYS_STAT_REG) & 1)) {
+                c++;
+                if (c > 100000) {
+                        printk(KERN_ERR "Timer failed to reset\n");
+                        return;
+                }
+        }
 }
 
-int omap_dm_timers_active(void)
+static void omap_dm_timer_reset(struct omap_dm_timer *timer)
+{
+        u32 l;
+
+        if (timer != &dm_timers[0]) {
+                omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06);
+                omap_dm_timer_wait_for_reset(timer);
+        }
+        omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_SYS_CLK);
+
+        /* Set to smart-idle mode */
+        l = omap_dm_timer_read_reg(timer, OMAP_TIMER_OCP_CFG_REG);
+        l |= 0x02 << 3;
+        omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l);
+}
+
+static void omap_dm_timer_prepare(struct omap_dm_timer *timer)
+{
+#ifdef CONFIG_ARCH_OMAP2
+        clk_enable(timer->iclk);
+        clk_enable(timer->fclk);
+#endif
+        omap_dm_timer_reset(timer);
+}
+
+struct omap_dm_timer *omap_dm_timer_request(void)
+{
+        struct omap_dm_timer *timer = NULL;
+        unsigned long flags;
+        int i;
+
+        spin_lock_irqsave(&dm_timer_lock, flags);
+        for (i = 0; i < dm_timer_count; i++) {
+                if (dm_timers[i].reserved)
+                        continue;
+
+                timer = &dm_timers[i];
+                timer->reserved = 1;
+                break;
+        }
+        spin_unlock_irqrestore(&dm_timer_lock, flags);
+
+        if (timer != NULL)
+                omap_dm_timer_prepare(timer);
+
+        return timer;
+}
+
+struct omap_dm_timer *omap_dm_timer_request_specific(int id)
 {
         struct omap_dm_timer *timer;
+        unsigned long flags;
 
-        for (timer = &dm_timers[0]; timer->base; ++timer)
-                if (omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG) &
-                    OMAP_TIMER_CTRL_ST)
-                        return 1;
+        spin_lock_irqsave(&dm_timer_lock, flags);
+        if (id <= 0 || id > dm_timer_count || dm_timers[id-1].reserved) {
+                spin_unlock_irqrestore(&dm_timer_lock, flags);
+                printk("BUG: warning at %s:%d/%s(): unable to get timer %d\n",
+                       __FILE__, __LINE__, __FUNCTION__, id);
+                dump_stack();
+                return NULL;
+        }
 
-        return 0;
+        timer = &dm_timers[id-1];
+        timer->reserved = 1;
+        spin_unlock_irqrestore(&dm_timer_lock, flags);
+
+        omap_dm_timer_prepare(timer);
+
+        return timer;
 }
 
+void omap_dm_timer_free(struct omap_dm_timer *timer)
+{
+        omap_dm_timer_reset(timer);
+#ifdef CONFIG_ARCH_OMAP2
+        clk_disable(timer->iclk);
+        clk_disable(timer->fclk);
+#endif
+        WARN_ON(!timer->reserved);
+        timer->reserved = 0;
+}
+
+int omap_dm_timer_get_irq(struct omap_dm_timer *timer)
+{
+        return timer->irq;
+}
+
+#if defined(CONFIG_ARCH_OMAP1)
+
+struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer)
+{
+        BUG();
+}
 
 /**
  * omap_dm_timer_modify_idlect_mask - Check if any running timers use ARMXOR
@@ -103,184 +250,229 @@ int omap_dm_timers_active(void)
  */
 __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask)
 {
-        int n;
+        int i;
 
         /* If ARMXOR cannot be idled this function call is unnecessary */
         if (!(inputmask & (1 << 1)))
                 return inputmask;
 
         /* If any active timer is using ARMXOR return modified mask */
-        for (n = 0; dm_timers[n].base; ++n)
-                if (omap_dm_timer_read_reg(&dm_timers[n], OMAP_TIMER_CTRL_REG)&
-                    OMAP_TIMER_CTRL_ST) {
-                        if (((omap_readl(MOD_CONF_CTRL_1)>>(n*2)) & 0x03) == 0)
+        for (i = 0; i < dm_timer_count; i++) {
+                u32 l;
+
+                l = omap_dm_timer_read_reg(&dm_timers[i], OMAP_TIMER_CTRL_REG);
+                if (l & OMAP_TIMER_CTRL_ST) {
+                        if (((omap_readl(MOD_CONF_CTRL_1) >> (i * 2)) & 0x03) == 0)
                                 inputmask &= ~(1 << 1);
                         else
                                 inputmask &= ~(1 << 2);
                 }
+        }
 
         return inputmask;
 }
 
+#elif defined(CONFIG_ARCH_OMAP2)
 
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer)
 {
-        int n = (timer - dm_timers) << 1;
-        u32 l;
+        return timer->fclk;
+}
 
-        l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n);
-        l |= source << n;
-        omap_writel(l, MOD_CONF_CTRL_1);
+__u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask)
+{
+        BUG();
 }
 
+#endif
 
-static void omap_dm_timer_reset(struct omap_dm_timer *timer)
+void omap_dm_timer_trigger(struct omap_dm_timer *timer)
 {
-        /* Reset and set posted mode */
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06);
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, 0x02);
-
-        omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_ARMXOR);
+        omap_dm_timer_write_reg(timer, OMAP_TIMER_TRIGGER_REG, 0);
 }
 
+void omap_dm_timer_start(struct omap_dm_timer *timer)
+{
+        u32 l;
 
+        l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
+        if (!(l & OMAP_TIMER_CTRL_ST)) {
+                l |= OMAP_TIMER_CTRL_ST;
+                omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
+        }
+}
 
-struct omap_dm_timer * omap_dm_timer_request(void)
+void omap_dm_timer_stop(struct omap_dm_timer *timer)
 {
-        struct omap_dm_timer *timer = NULL;
-        unsigned long flags;
+        u32 l;
 
-        spin_lock_irqsave(&dm_timer_lock, flags);
-        if (!list_empty(&dm_timer_info.unused_timers)) {
-                timer = (struct omap_dm_timer *)
-                                dm_timer_info.unused_timers.next;
-                list_move_tail((struct list_head *)timer,
-                                &dm_timer_info.reserved_timers);
+        l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
+        if (l & OMAP_TIMER_CTRL_ST) {
+                l &= ~0x1;
+                omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
         }
-        spin_unlock_irqrestore(&dm_timer_lock, flags);
-
-        return timer;
 }
 
+#ifdef CONFIG_ARCH_OMAP1
 
-void omap_dm_timer_free(struct omap_dm_timer *timer)
+void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 {
-        unsigned long flags;
-
-        omap_dm_timer_reset(timer);
+        int n = (timer - dm_timers) << 1;
+        u32 l;
 
-        spin_lock_irqsave(&dm_timer_lock, flags);
-        list_move_tail((struct list_head *)timer, &dm_timer_info.unused_timers);
-        spin_unlock_irqrestore(&dm_timer_lock, flags);
+        l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n);
+        l |= source << n;
+        omap_writel(l, MOD_CONF_CTRL_1);
 }
 
-void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer,
-                                unsigned int value)
-{
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_INT_EN_REG, value);
-}
+#else
 
-unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer)
+void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 {
-        return omap_dm_timer_read_reg(timer, OMAP_TIMER_STAT_REG);
-}
+        if (source < 0 || source >= 3)
+                return;
 
-void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value)
-{
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, value);
+        clk_disable(timer->fclk);
+        clk_set_parent(timer->fclk, dm_source_clocks[source]);
+        clk_enable(timer->fclk);
+
+        /* When the functional clock disappears, too quick writes seem to
+         * cause an abort. */
+        __delay(15000);
 }
 
-void omap_dm_timer_enable_autoreload(struct omap_dm_timer *timer)
+#endif
+
+void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload,
+                            unsigned int load)
 {
         u32 l;
+
         l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
-        l |= OMAP_TIMER_CTRL_AR;
+        if (autoreload)
+                l |= OMAP_TIMER_CTRL_AR;
+        else
+                l &= ~OMAP_TIMER_CTRL_AR;
         omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
+        omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load);
+        omap_dm_timer_write_reg(timer, OMAP_TIMER_TRIGGER_REG, 0);
 }
 
-void omap_dm_timer_trigger(struct omap_dm_timer *timer)
-{
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_TRIGGER_REG, 1);
-}
-
-void omap_dm_timer_set_trigger(struct omap_dm_timer *timer, unsigned int value)
+void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable,
+                             unsigned int match)
 {
         u32 l;
 
         l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
-        l |= value & 0x3;
+        if (enable)
+                l |= OMAP_TIMER_CTRL_CE;
+        else
+                l &= ~OMAP_TIMER_CTRL_CE;
         omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
+        omap_dm_timer_write_reg(timer, OMAP_TIMER_MATCH_REG, match);
 }
 
-void omap_dm_timer_start(struct omap_dm_timer *timer)
+
+void omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on,
+                           int toggle, int trigger)
 {
         u32 l;
 
         l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
-        l |= OMAP_TIMER_CTRL_ST;
+        l &= ~(OMAP_TIMER_CTRL_GPOCFG | OMAP_TIMER_CTRL_SCPWM |
+               OMAP_TIMER_CTRL_PT | (0x03 << 10));
+        if (def_on)
+                l |= OMAP_TIMER_CTRL_SCPWM;
+        if (toggle)
+                l |= OMAP_TIMER_CTRL_PT;
+        l |= trigger << 10;
         omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
 }
 
-void omap_dm_timer_stop(struct omap_dm_timer *timer)
+void omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler)
 {
         u32 l;
 
         l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
-        l &= ~0x1;
+        l &= ~(OMAP_TIMER_CTRL_PRE | (0x07 << 2));
+        if (prescaler >= 0x00 && prescaler <= 0x07) {
+                l |= OMAP_TIMER_CTRL_PRE;
+                l |= prescaler << 2;
+        }
         omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
 }
 
-unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer)
+void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer,
+                                  unsigned int value)
 {
-        return omap_dm_timer_read_reg(timer, OMAP_TIMER_COUNTER_REG);
+        omap_dm_timer_write_reg(timer, OMAP_TIMER_INT_EN_REG, value);
 }
 
-void omap_dm_timer_reset_counter(struct omap_dm_timer *timer)
+unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer)
 {
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, 0);
+        return omap_dm_timer_read_reg(timer, OMAP_TIMER_STAT_REG);
 }
 
-void omap_dm_timer_set_load(struct omap_dm_timer *timer, unsigned int load)
+void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value)
 {
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load);
+        omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, value);
 }
 
-void omap_dm_timer_set_match(struct omap_dm_timer *timer, unsigned int match)
+unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer)
 {
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_MATCH_REG, match);
+        return omap_dm_timer_read_reg(timer, OMAP_TIMER_COUNTER_REG);
 }
 
-void omap_dm_timer_enable_compare(struct omap_dm_timer *timer)
+void omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value)
 {
-        u32 l;
-
-        l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
-        l |= OMAP_TIMER_CTRL_CE;
-        omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
+        return omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, value);
 }
 
+int omap_dm_timers_active(void)
+{
+        int i;
+
+        for (i = 0; i < dm_timer_count; i++) {
+                struct omap_dm_timer *timer;
+
+                timer = &dm_timers[i];
+                if (omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG) &
+                    OMAP_TIMER_CTRL_ST)
+                        return 1;
+        }
+        return 0;
+}
 
-static inline void __dm_timer_init(void)
+int omap_dm_timer_init(void)
 {
         struct omap_dm_timer *timer;
+        int i;
+
+        if (!(cpu_is_omap16xx() || cpu_is_omap24xx()))
+                return -ENODEV;
 
         spin_lock_init(&dm_timer_lock);
-        INIT_LIST_HEAD(&dm_timer_info.unused_timers);
-        INIT_LIST_HEAD(&dm_timer_info.reserved_timers);
-
-        timer = &dm_timers[0];
-        while (timer->base) {
-                list_add_tail((struct list_head *)timer, &dm_timer_info.unused_timers);
-                omap_dm_timer_reset(timer);
-                timer++;
+#ifdef CONFIG_ARCH_OMAP2
+        for (i = 0; i < ARRAY_SIZE(dm_source_names); i++) {
+                dm_source_clocks[i] = clk_get(NULL, dm_source_names[i]);
+                BUG_ON(dm_source_clocks[i] == NULL);
+        }
+#endif
+
+        for (i = 0; i < dm_timer_count; i++) {
+#ifdef CONFIG_ARCH_OMAP2
+                char clk_name[16];
+#endif
+
+                timer = &dm_timers[i];
+                timer->io_base = (void __iomem *) io_p2v(timer->phys_base);
+#ifdef CONFIG_ARCH_OMAP2
+                sprintf(clk_name, "gpt%d_ick", i + 1);
+                timer->iclk = clk_get(NULL, clk_name);
+                sprintf(clk_name, "gpt%d_fck", i + 1);
+                timer->fclk = clk_get(NULL, clk_name);
+#endif
         }
-}
 
-static int __init omap_dm_timer_init(void)
-{
-        if (cpu_is_omap16xx())
-                __dm_timer_init();
         return 0;
 }
-
-arch_initcall(omap_dm_timer_init);
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 418b88fbea8e..fec7970e564d 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -536,6 +536,49 @@ static inline void _clear_gpio_irqstatus(struct gpio_bank *bank, int gpio)
         _clear_gpio_irqbank(bank, 1 << get_gpio_index(gpio));
 }
 
+static u32 _get_gpio_irqbank_mask(struct gpio_bank *bank)
+{
+        void __iomem *reg = bank->base;
+        int inv = 0;
+        u32 l;
+        u32 mask;
+
+        switch (bank->method) {
+        case METHOD_MPUIO:
+                reg += OMAP_MPUIO_GPIO_MASKIT;
+                mask = 0xffff;
+                inv = 1;
+                break;
+        case METHOD_GPIO_1510:
+                reg += OMAP1510_GPIO_INT_MASK;
+                mask = 0xffff;
+                inv = 1;
+                break;
+        case METHOD_GPIO_1610:
+                reg += OMAP1610_GPIO_IRQENABLE1;
+                mask = 0xffff;
+                break;
+        case METHOD_GPIO_730:
+                reg += OMAP730_GPIO_INT_MASK;
+                mask = 0xffffffff;
+                inv = 1;
+                break;
+        case METHOD_GPIO_24XX:
+                reg += OMAP24XX_GPIO_IRQENABLE1;
+                mask = 0xffffffff;
+                break;
+        default:
+                BUG();
+                return 0;
+        }
+
+        l = __raw_readl(reg);
+        if (inv)
+                l = ~l;
+        l &= mask;
+        return l;
+}
+
 static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask, int enable)
 {
         void __iomem *reg = bank->base;
@@ -735,10 +778,12 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
         u32 isr;
         unsigned int gpio_irq;
         struct gpio_bank *bank;
+        u32 retrigger = 0;
+        int unmasked = 0;
 
         desc->chip->ack(irq);
 
-        bank = (struct gpio_bank *) desc->data;
+        bank = get_irq_data(irq);
         if (bank->method == METHOD_MPUIO)
                 isr_reg = bank->base + OMAP_MPUIO_GPIO_INT;
 #ifdef CONFIG_ARCH_OMAP15XX
@@ -759,18 +804,22 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
 #endif
         while(1) {
                 u32 isr_saved, level_mask = 0;
+                u32 enabled;
 
-                isr_saved = isr = __raw_readl(isr_reg);
+                enabled = _get_gpio_irqbank_mask(bank);
+                isr_saved = isr = __raw_readl(isr_reg) & enabled;
 
                 if (cpu_is_omap15xx() && (bank->method == METHOD_MPUIO))
                         isr &= 0x0000ffff;
 
-                if (cpu_is_omap24xx())
+                if (cpu_is_omap24xx()) {
                         level_mask =
                                 __raw_readl(bank->base +
                                         OMAP24XX_GPIO_LEVELDETECT0) |
                                 __raw_readl(bank->base +
                                         OMAP24XX_GPIO_LEVELDETECT1);
+                        level_mask &= enabled;
+                }
 
                 /* clear edge sensitive interrupts before handler(s) are
                 called so that we don't miss any interrupt occurred while
@@ -781,19 +830,55 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
 
                 /* if there is only edge sensitive GPIO pin interrupts
                 configured, we could unmask GPIO bank interrupt immediately */
-                if (!level_mask)
+                if (!level_mask && !unmasked) {
+                        unmasked = 1;
                         desc->chip->unmask(irq);
+                }
 
+                isr |= retrigger;
+                retrigger = 0;
                 if (!isr)
                         break;
 
                 gpio_irq = bank->virtual_irq_start;
                 for (; isr != 0; isr >>= 1, gpio_irq++) {
                         struct irqdesc *d;
+                        int irq_mask;
                         if (!(isr & 1))
                                 continue;
                         d = irq_desc + gpio_irq;
+                        /* Don't run the handler if it's already running
+                         * or was disabled lazely.
+                         */
+                        if (unlikely((d->depth ||
+                                      (d->status & IRQ_INPROGRESS)))) {
+                                irq_mask = 1 <<
+                                        (gpio_irq - bank->virtual_irq_start);
+                                /* The unmasking will be done by
+                                 * enable_irq in case it is disabled or
+                                 * after returning from the handler if
+                                 * it's already running.
+                                 */
+                                _enable_gpio_irqbank(bank, irq_mask, 0);
+                                if (!d->depth) {
+                                        /* Level triggered interrupts
+                                         * won't ever be reentered
+                                         */
+                                        BUG_ON(level_mask & irq_mask);
+                                        d->status |= IRQ_PENDING;
+                                }
+                                continue;
+                        }
+
                         desc_handle_irq(gpio_irq, d, regs);
+
+                        if (unlikely((d->status & IRQ_PENDING) && !d->depth)) {
+                                irq_mask = 1 <<
+                                        (gpio_irq - bank->virtual_irq_start);
+                                d->status &= ~IRQ_PENDING;
+                                _enable_gpio_irqbank(bank, irq_mask, 1);
+                                retrigger |= irq_mask;
+                        }
                 }
 
                 if (cpu_is_omap24xx()) {
@@ -803,13 +888,14 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
                         _enable_gpio_irqbank(bank, isr_saved & level_mask, 1);
                 }
 
-                /* if bank has any level sensitive GPIO pin interrupt
-                configured, we must unmask the bank interrupt only after
-                handler(s) are executed in order to avoid spurious bank
-                interrupt */
-                if (level_mask)
-                        desc->chip->unmask(irq);
         }
+        /* if bank has any level sensitive GPIO pin interrupt
+        configured, we must unmask the bank interrupt only after
+        handler(s) are executed in order to avoid spurious bank
+        interrupt */
+        if (!unmasked)
+                desc->chip->unmask(irq);
+
 }
 
 static void gpio_ack_irq(unsigned int irq)
diff --git a/arch/arm/plat-omap/pm.c b/arch/arm/plat-omap/pm.c
index 1a24e2c10714..04b4102727a8 100644
--- a/arch/arm/plat-omap/pm.c
+++ b/arch/arm/plat-omap/pm.c
@@ -580,7 +580,7 @@ static irqreturn_t  omap_wakeup_interrupt(int  irq, void *  dev,
 
 static struct irqaction omap_wakeup_irq = {
         .name           = "peripheral wakeup",
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .handler        = omap_wakeup_interrupt
 };
 
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 72ce52ce815b..e75718301b0f 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -157,14 +157,12 @@ static struct map_desc omap_sram_io_desc[] __initdata = {
         {       /* .length gets filled in at runtime */
                 .virtual        = OMAP1_SRAM_VA,
                 .pfn            = __phys_to_pfn(OMAP1_SRAM_PA),
-                .type           = MT_DEVICE
+                .type           = MT_MEMORY
         }
 };
 
 /*
- * In order to use last 2kB of SRAM on 1611b, we must round the size
- * up to multiple of PAGE_SIZE. We cannot use ioremap for SRAM, as
- * clock init needs SRAM early.
+ * Note that we cannot use ioremap for SRAM, as clock init needs SRAM early.
  */
 void __init omap_map_sram(void)
 {
@@ -184,8 +182,7 @@ void __init omap_map_sram(void)
                 omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
         }
 
-        omap_sram_io_desc[0].length = (omap_sram_size + PAGE_SIZE-1)/PAGE_SIZE;
-        omap_sram_io_desc[0].length *= PAGE_SIZE;
+        omap_sram_io_desc[0].length = 1024 * 1024;      /* Use section desc */
         iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
 
         printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n",
diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c
index 053c18132ef4..281ecc7fcdfc 100644
--- a/arch/arm/plat-omap/timer32k.c
+++ b/arch/arm/plat-omap/timer32k.c
@@ -7,6 +7,7 @@
  * Partial timer rewrite and additional dynamic tick timer support by
  * Tony Lindgen <tony@atomide.com> and
  * Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
+ * OMAP Dual-mode timer framework support by Timo Teras
  *
  * MPU timer code based on the older MPU timer code for OMAP
  * Copyright (C) 2000 RidgeRun, Inc.
@@ -49,6 +50,7 @@
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
+#include <asm/arch/dmtimer.h>
 
 struct sys_timer omap_timer;
 
@@ -78,18 +80,6 @@ struct sys_timer omap_timer;
 #define OMAP1_32K_TIMER_TVR             0x00
 #define OMAP1_32K_TIMER_TCR             0x04
 
-/* 24xx specific defines */
-#define OMAP2_GP_TIMER_BASE             0x48028000
-#define CM_CLKSEL_WKUP                  0x48008440
-#define GP_TIMER_TIDR                   0x00
-#define GP_TIMER_TISR                   0x18
-#define GP_TIMER_TIER                   0x1c
-#define GP_TIMER_TCLR                   0x24
-#define GP_TIMER_TCRR                   0x28
-#define GP_TIMER_TLDR                   0x2c
-#define GP_TIMER_TTGR                   0x30
-#define GP_TIMER_TSICR                  0x40
-
 #define OMAP_32K_TICKS_PER_HZ           (32768 / HZ)
 
 /*
@@ -101,54 +91,62 @@ struct sys_timer omap_timer;
 #define JIFFIES_TO_HW_TICKS(nr_jiffies, clock_rate)                     \
                                 (((nr_jiffies) * (clock_rate)) / HZ)
 
+#if defined(CONFIG_ARCH_OMAP1)
+
 static inline void omap_32k_timer_write(int val, int reg)
 {
-        if (cpu_class_is_omap1())
-                omap_writew(val, OMAP1_32K_TIMER_BASE + reg);
-
-        if (cpu_is_omap24xx())
-                omap_writel(val, OMAP2_GP_TIMER_BASE + reg);
+        omap_writew(val, OMAP1_32K_TIMER_BASE + reg);
 }
 
 static inline unsigned long omap_32k_timer_read(int reg)
 {
-        if (cpu_class_is_omap1())
-                return omap_readl(OMAP1_32K_TIMER_BASE + reg) & 0xffffff;
+        return omap_readl(OMAP1_32K_TIMER_BASE + reg) & 0xffffff;
+}
 
-        if (cpu_is_omap24xx())
-                return omap_readl(OMAP2_GP_TIMER_BASE + reg);
+static inline void omap_32k_timer_start(unsigned long load_val)
+{
+        omap_32k_timer_write(load_val, OMAP1_32K_TIMER_TVR);
+        omap_32k_timer_write(0x0f, OMAP1_32K_TIMER_CR);
 }
 
-/*
- * The 32KHz synchronized timer is an additional timer on 16xx.
- * It is always running.
- */
-static inline unsigned long omap_32k_sync_timer_read(void)
+static inline void omap_32k_timer_stop(void)
 {
-        return omap_readl(TIMER_32K_SYNCHRONIZED);
+        omap_32k_timer_write(0x0, OMAP1_32K_TIMER_CR);
 }
 
+#define omap_32k_timer_ack_irq()
+
+#elif defined(CONFIG_ARCH_OMAP2)
+
+static struct omap_dm_timer *gptimer;
+
 static inline void omap_32k_timer_start(unsigned long load_val)
 {
-        if (cpu_class_is_omap1()) {
-                omap_32k_timer_write(load_val, OMAP1_32K_TIMER_TVR);
-                omap_32k_timer_write(0x0f, OMAP1_32K_TIMER_CR);
-        }
-
-        if (cpu_is_omap24xx()) {
-                omap_32k_timer_write(0xffffffff - load_val, GP_TIMER_TCRR);
-                omap_32k_timer_write((1 << 1), GP_TIMER_TIER);
-                omap_32k_timer_write((1 << 1) | 1, GP_TIMER_TCLR);
-        }
+        omap_dm_timer_set_load(gptimer, 1, 0xffffffff - load_val);
+        omap_dm_timer_set_int_enable(gptimer, OMAP_TIMER_INT_OVERFLOW);
+        omap_dm_timer_start(gptimer);
 }
 
 static inline void omap_32k_timer_stop(void)
 {
-        if (cpu_class_is_omap1())
-                omap_32k_timer_write(0x0, OMAP1_32K_TIMER_CR);
+        omap_dm_timer_stop(gptimer);
+}
 
-        if (cpu_is_omap24xx())
-                omap_32k_timer_write(0x0, GP_TIMER_TCLR);
+static inline void omap_32k_timer_ack_irq(void)
+{
+        u32 status = omap_dm_timer_read_status(gptimer);
+        omap_dm_timer_write_status(gptimer, status);
+}
+
+#endif
+
+/*
+ * The 32KHz synchronized timer is an additional timer on 16xx.
+ * It is always running.
+ */
+static inline unsigned long omap_32k_sync_timer_read(void)
+{
+        return omap_readl(TIMER_32K_SYNCHRONIZED);
 }
 
 /*
@@ -202,11 +200,7 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id,
 
         write_seqlock_irqsave(&xtime_lock, flags);
 
-        if (cpu_is_omap24xx()) {
-                u32 status = omap_32k_timer_read(GP_TIMER_TISR);
-                omap_32k_timer_write(status, GP_TIMER_TISR);
-        }
-
+        omap_32k_timer_ack_irq();
         now = omap_32k_sync_timer_read();
 
         while ((signed long)(now - omap_32k_last_tick)
@@ -264,13 +258,10 @@ static struct dyn_tick_timer omap_dyn_tick_timer = {
 
 static struct irqaction omap_32k_timer_irq = {
         .name           = "32KHz timer",
-        .flags          = SA_INTERRUPT | SA_TIMER,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
         .handler        = omap_32k_timer_interrupt,
 };
 
-static struct clk * gpt1_ick;
-static struct clk * gpt1_fck;
-
 static __init void omap_init_32k_timer(void)
 {
 #ifdef CONFIG_NO_IDLE_HZ
@@ -279,32 +270,22 @@ static __init void omap_init_32k_timer(void)
 
         if (cpu_class_is_omap1())
                 setup_irq(INT_OS_TIMER, &omap_32k_timer_irq);
-        if (cpu_is_omap24xx())
-                setup_irq(37, &omap_32k_timer_irq);
         omap_timer.offset  = omap_32k_timer_gettimeoffset;
         omap_32k_last_tick = omap_32k_sync_timer_read();
 
+#ifdef CONFIG_ARCH_OMAP2
         /* REVISIT: Check 24xx TIOCP_CFG settings after idle works */
         if (cpu_is_omap24xx()) {
-                omap_32k_timer_write(0, GP_TIMER_TCLR);
-                omap_writel(0, CM_CLKSEL_WKUP);         /* 32KHz clock source */
-
-                gpt1_ick = clk_get(NULL, "gpt1_ick");
-                if (IS_ERR(gpt1_ick))
-                        printk(KERN_ERR "Could not get gpt1_ick\n");
-                else
-                        clk_enable(gpt1_ick);
-
-                gpt1_fck = clk_get(NULL, "gpt1_fck");
-                if (IS_ERR(gpt1_fck))
-                        printk(KERN_ERR "Could not get gpt1_fck\n");
-                else
-                        clk_enable(gpt1_fck);
-
-                mdelay(100);            /* Wait for clocks to stabilize */
-
-                omap_32k_timer_write(0x7, GP_TIMER_TISR);
+                gptimer = omap_dm_timer_request_specific(1);
+                BUG_ON(gptimer == NULL);
+
+                omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_32_KHZ);
+                setup_irq(omap_dm_timer_get_irq(gptimer), &omap_32k_timer_irq);
+                omap_dm_timer_set_int_enable(gptimer,
+                        OMAP_TIMER_INT_CAPTURE | OMAP_TIMER_INT_OVERFLOW |
+                        OMAP_TIMER_INT_MATCH);
         }
+#endif
 
         omap_32k_timer_start(OMAP_32K_TIMER_TICK_PERIOD);
 }
@@ -316,6 +297,9 @@ static __init void omap_init_32k_timer(void)
  */
 static void __init omap_timer_init(void)
 {
+#ifdef CONFIG_OMAP_DM_TIMER
+        omap_dm_timer_init();
+#endif
         omap_init_32k_timer();
 }
 
diff --git a/arch/arm26/kernel/irq.c b/arch/arm26/kernel/irq.c
index e08ba2955ec7..d87d68b77d66 100644
--- a/arch/arm26/kernel/irq.c
+++ b/arch/arm26/kernel/irq.c
@@ -190,7 +190,7 @@ __do_irq(unsigned int irq, struct irqaction *action, struct pt_regs *regs)
         int ret;
 
         spin_unlock(&irq_controller_lock);
-        if (!(action->flags & SA_INTERRUPT))
+        if (!(action->flags & IRQF_DISABLED))
                 local_irq_enable();
 
         status = 0;
@@ -201,7 +201,7 @@ __do_irq(unsigned int irq, struct irqaction *action, struct pt_regs *regs)
                 action = action->next;
         } while (action);
 
-        if (status & SA_SAMPLE_RANDOM)
+        if (status & IRQF_SAMPLE_RANDOM)
                 add_interrupt_randomness(irq);
 
         spin_lock_irq(&irq_controller_lock);
@@ -451,7 +451,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
          * so we have to be careful not to interfere with a
          * running system.
          */
-        if (new->flags & SA_SAMPLE_RANDOM) {
+        if (new->flags & IRQF_SAMPLE_RANDOM) {
                 /*
                  * This function might sleep, we want to call it first,
                  * outside of the atomic block.
@@ -471,7 +471,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
         p = &desc->action;
         if ((old = *p) != NULL) {
                 /* Can't share interrupts unless both agree to */
-                if (!(old->flags & new->flags & SA_SHIRQ)) {
+                if (!(old->flags & new->flags & IRQF_SHARED)) {
                         spin_unlock_irqrestore(&irq_controller_lock, flags);
                         return -EBUSY;
                 }
@@ -526,11 +526,11 @@ int setup_irq(unsigned int irq, struct irqaction *new)
  *
  *      Flags:
  *
- *      SA_SHIRQ                Interrupt is shared
+ *      IRQF_SHARED             Interrupt is shared
  *
- *      SA_INTERRUPT            Disable local interrupts while processing
+ *      IRQF_DISABLED   Disable local interrupts while processing
  *
- *      SA_SAMPLE_RANDOM        The interrupt can be used for entropy
+ *      IRQF_SAMPLE_RANDOM      The interrupt can be used for entropy
  *
  */
 
@@ -542,7 +542,7 @@ int request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_
         struct irqaction *action;
 
         if (irq >= NR_IRQS || !irq_desc[irq].valid || !handler ||
-            (irq_flags & SA_SHIRQ && !dev_id))
+            (irq_flags & IRQF_SHARED && !dev_id))
                 return -EINVAL;
 
         action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL);
diff --git a/arch/arm26/kernel/time.c b/arch/arm26/kernel/time.c
index 718de9bed950..db63d75d0715 100644
--- a/arch/arm26/kernel/time.c
+++ b/arch/arm26/kernel/time.c
@@ -205,7 +205,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction timer_irq = {
         .name   = "timer",
-        .flags  = SA_INTERRUPT,
+        .flags  = IRQF_DISABLED,
         .handler = timer_interrupt,
 };
 
diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c
index 25df4ada951a..48fd801792d1 100644
--- a/arch/cris/arch-v10/drivers/gpio.c
+++ b/arch/cris/arch-v10/drivers/gpio.c
@@ -937,11 +937,11 @@ gpio_init(void)
          * in some tests.
          */  
         if (request_irq(TIMER0_IRQ_NBR, gpio_poll_timer_interrupt,
-                        SA_SHIRQ | SA_INTERRUPT,"gpio poll", NULL)) {
+                        IRQF_SHARED | IRQF_DISABLED,"gpio poll", NULL)) {
                 printk(KERN_CRIT "err: timer0 irq for gpio\n");
         }
         if (request_irq(PA_IRQ_NBR, gpio_pa_interrupt,
-                        SA_SHIRQ | SA_INTERRUPT,"gpio PA", NULL)) {
+                        IRQF_SHARED | IRQF_DISABLED,"gpio PA", NULL)) {
                 printk(KERN_CRIT "err: PA irq for gpio\n");
         }
         
diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c
index fe65cb89f54c..9c22b76e129a 100644
--- a/arch/cris/arch-v10/kernel/time.c
+++ b/arch/cris/arch-v10/kernel/time.c
@@ -251,11 +251,11 @@ timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
-/* timer is SA_SHIRQ so drivers can add stuff to the timer irq chain
- * it needs to be SA_INTERRUPT to make the jiffies update work properly
+/* timer is IRQF_SHARED so drivers can add stuff to the timer irq chain
+ * it needs to be IRQF_DISABLED to make the jiffies update work properly
  */
 
-static struct irqaction irq2  = { timer_interrupt, SA_SHIRQ | SA_INTERRUPT,
+static struct irqaction irq2  = { timer_interrupt, IRQF_SHARED | IRQF_DISABLED,
                                   CPU_MASK_NONE, "timer", NULL, NULL};
 
 void __init
diff --git a/arch/cris/arch-v32/drivers/gpio.c b/arch/cris/arch-v32/drivers/gpio.c
index 113bdff4fd3c..00e9167de530 100644
--- a/arch/cris/arch-v32/drivers/gpio.c
+++ b/arch/cris/arch-v32/drivers/gpio.c
@@ -744,11 +744,11 @@ gpio_init(void)
          * in some tests.
          */
         if (request_irq(TIMER_INTR_VECT, gpio_poll_timer_interrupt,
-                        SA_SHIRQ | SA_INTERRUPT,"gpio poll", &alarmlist)) {
+                        IRQF_SHARED | IRQF_DISABLED,"gpio poll", &alarmlist)) {
                 printk("err: timer0 irq for gpio\n");
         }
         if (request_irq(GEN_IO_INTR_VECT, gpio_pa_interrupt,
-                        SA_SHIRQ | SA_INTERRUPT,"gpio PA", &alarmlist)) {
+                        IRQF_SHARED | IRQF_DISABLED,"gpio PA", &alarmlist)) {
                 printk("err: PA irq for gpio\n");
         }
         /* enable the gio and timer irq in global config */
diff --git a/arch/cris/arch-v32/kernel/arbiter.c b/arch/cris/arch-v32/kernel/arbiter.c
index 82d44c9afc1e..420a5312ed03 100644
--- a/arch/cris/arch-v32/kernel/arbiter.c
+++ b/arch/cris/arch-v32/kernel/arbiter.c
@@ -119,7 +119,7 @@ static void crisv32_arbiter_init(void)
         crisv32_arbiter_config(EXT_REGION);
         crisv32_arbiter_config(INT_REGION);
 
-        if (request_irq(MEMARB_INTR_VECT, crisv32_arbiter_irq, SA_INTERRUPT,
+        if (request_irq(MEMARB_INTR_VECT, crisv32_arbiter_irq, IRQF_DISABLED,
                         "arbiter", NULL))
                 printk(KERN_ERR "Couldn't allocate arbiter IRQ\n");
 
diff --git a/arch/cris/arch-v32/kernel/fasttimer.c b/arch/cris/arch-v32/kernel/fasttimer.c
index caaa86bd5e87..5daeb6f7f3b7 100644
--- a/arch/cris/arch-v32/kernel/fasttimer.c
+++ b/arch/cris/arch-v32/kernel/fasttimer.c
@@ -981,7 +981,7 @@ void fast_timer_init(void)
     proc_register_dynamic(&proc_root, &fasttimer_proc_entry);
 #endif
 #endif /* PROC_FS */
-    if(request_irq(TIMER_INTR_VECT, timer_trig_interrupt, SA_INTERRUPT,
+    if(request_irq(TIMER_INTR_VECT, timer_trig_interrupt, IRQF_DISABLED,
                    "fast timer int", NULL))
     {
       printk("err: timer1 irq\n");
diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c
index e2d2b3fdb5b1..cc361bf578ae 100644
--- a/arch/cris/arch-v32/kernel/irq.c
+++ b/arch/cris/arch-v32/kernel/irq.c
@@ -268,7 +268,7 @@ void
 crisv32_do_IRQ(int irq, int block, struct pt_regs* regs)
 {
         /* Interrupts that may not be moved to another CPU and
-         * are SA_INTERRUPT may skip blocking. This is currently
+         * are IRQF_DISABLED may skip blocking. This is currently
          * only valid for the timer IRQ and the IPI and is used
          * for the timer interrupt to avoid watchdog starvation.
          */
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index da40d19a151e..464ecaec3bc0 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/arch/cris/arch-v32/kernel/smp.c
@@ -62,7 +62,7 @@ static unsigned long irq_regs[NR_CPUS] =
 
 static irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static int send_ipi(int vector, int wait, cpumask_t cpu_mask);
-static struct irqaction irq_ipi  = { crisv32_ipi_interrupt, SA_INTERRUPT,
+static struct irqaction irq_ipi  = { crisv32_ipi_interrupt, IRQF_DISABLED,
                                      CPU_MASK_NONE, "ipi", NULL, NULL};
 
 extern void cris_mmu_init(void);
diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c
index 4bac1d6c37fb..50f3f93293d6 100644
--- a/arch/cris/arch-v32/kernel/time.c
+++ b/arch/cris/arch-v32/kernel/time.c
@@ -241,12 +241,16 @@ timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
-/* timer is SA_SHIRQ so drivers can add stuff to the timer irq chain
- * it needs to be SA_INTERRUPT to make the jiffies update work properly
+/* timer is IRQF_SHARED so drivers can add stuff to the timer irq chain
+ * it needs to be IRQF_DISABLED to make the jiffies update work properly
  */
 
-static struct irqaction irq_timer  = { timer_interrupt, SA_SHIRQ | SA_INTERRUPT,
-                                  CPU_MASK_NONE, "timer", NULL, NULL};
+static struct irqaction irq_timer  = {
+        .mask = timer_interrupt,
+        .flags = IRQF_SHARED | IRQF_DISABLED,
+        .mask = CPU_MASK_NONE,
+        .name = "timer"
+};
 
 void __init
 cris_timer_init(void)
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
index 1f9099627a72..903ea62c6e21 100644
--- a/arch/cris/kernel/irq.c
+++ b/arch/cris/kernel/irq.c
@@ -85,7 +85,7 @@ skip:
 /* called by the assembler IRQ entry functions defined in irq.h
  * to dispatch the interrupts to registred handlers
  * interrupts are disabled upon entry - depending on if the
- * interrupt was registred with SA_INTERRUPT or not, interrupts
+ * interrupt was registred with IRQF_DISABLED or not, interrupts
  * are re-enabled or not.
  */
 
diff --git a/arch/frv/kernel/irq-routing.c b/arch/frv/kernel/irq-routing.c
index b90b70a761d1..53886adf47de 100644
--- a/arch/frv/kernel/irq-routing.c
+++ b/arch/frv/kernel/irq-routing.c
@@ -81,7 +81,7 @@ void distribute_irqs(struct irq_group *group, unsigned long irqmask)
                 if (action) {
                         int status = 0;
 
-//                      if (!(action->flags & SA_INTERRUPT))
+//                      if (!(action->flags & IRQF_DISABLED))
 //                              local_irq_enable();
 
                         do {
@@ -90,7 +90,7 @@ void distribute_irqs(struct irq_group *group, unsigned long irqmask)
                                 action = action->next;
                         } while (action);
 
-                        if (status & SA_SAMPLE_RANDOM)
+                        if (status & IRQF_SAMPLE_RANDOM)
                                 add_interrupt_randomness(irq);
                         local_irq_disable();
                 }
diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c
index 5920f52bf9c8..08967010be04 100644
--- a/arch/frv/kernel/irq.c
+++ b/arch/frv/kernel/irq.c
@@ -341,11 +341,11 @@ asmlinkage void do_NMI(void)
  *
  *      Flags:
  *
- *      SA_SHIRQ                Interrupt is shared
+ *      IRQF_SHARED             Interrupt is shared
  *
- *      SA_INTERRUPT            Disable local interrupts while processing
+ *      IRQF_DISABLED   Disable local interrupts while processing
  *
- *      SA_SAMPLE_RANDOM        The interrupt can be used for entropy
+ *      IRQF_SAMPLE_RANDOM      The interrupt can be used for entropy
  *
  */
 
@@ -365,7 +365,7 @@ int request_irq(unsigned int irq,
          * to figure out which interrupt is which (messes up the
          * interrupt freeing logic etc).
          */
-        if (irqflags & SA_SHIRQ) {
+        if (irqflags & IRQF_SHARED) {
                 if (!dev_id)
                         printk("Bad boy: %s (at 0x%x) called us without a dev_id!\n",
                                devname, (&irq)[-1]);
@@ -576,7 +576,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
          * so we have to be careful not to interfere with a
          * running system.
          */
-        if (new->flags & SA_SAMPLE_RANDOM) {
+        if (new->flags & IRQF_SAMPLE_RANDOM) {
                 /*
                  * This function might sleep, we want to call it first,
                  * outside of the atomic block.
@@ -592,7 +592,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
         spin_lock_irqsave(&level->lock, flags);
 
         /* can't share interrupts unless all parties agree to */
-        if (level->usage != 0 && !(level->flags & new->flags & SA_SHIRQ)) {
+        if (level->usage != 0 && !(level->flags & new->flags & IRQF_SHARED)) {
                 spin_unlock_irqrestore(&level->lock,flags);
                 return -EBUSY;
         }
diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index 5db3d4eff909..af08ccd4ed6e 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -10,7 +10,7 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/delay.h>
diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c
index 24cf85f89e40..d5b64e193d92 100644
--- a/arch/frv/kernel/time.c
+++ b/arch/frv/kernel/time.c
@@ -47,7 +47,7 @@ unsigned long __delay_loops_MHz;
 static irqreturn_t timer_interrupt(int irq, void *dummy, struct pt_regs *regs);
 
 static struct irqaction timer_irq  = {
-        timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL
+        timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL
 };
 
 static inline int set_rtc_mmss(unsigned long nowtime)
diff --git a/arch/h8300/kernel/ints.c b/arch/h8300/kernel/ints.c
index edb3c4170013..1488b6ace18c 100644
--- a/arch/h8300/kernel/ints.c
+++ b/arch/h8300/kernel/ints.c
@@ -158,7 +158,7 @@ int request_irq(unsigned int irq,
         irq_handle->devname = devname;
         irq_list[irq] = irq_handle;
 
-        if (irq_handle->flags & SA_SAMPLE_RANDOM)
+        if (irq_handle->flags & IRQF_SAMPLE_RANDOM)
                 rand_initialize_irq(irq);
 
         enable_irq(irq);
@@ -222,7 +222,7 @@ asmlinkage void process_int(int irq, struct pt_regs *fp)
                 if (irq_list[irq]) {
                         irq_list[irq]->handler(irq, irq_list[irq]->dev_id, fp);
                         irq_list[irq]->count++;
-                        if (irq_list[irq]->flags & SA_SAMPLE_RANDOM)
+                        if (irq_list[irq]->flags & IRQF_SAMPLE_RANDOM)
                                 add_interrupt_randomness(irq);
                 }
         } else {
diff --git a/arch/h8300/platform/h8s/ints.c b/arch/h8300/platform/h8s/ints.c
index f6ed663bdde0..270440de4610 100644
--- a/arch/h8300/platform/h8s/ints.c
+++ b/arch/h8300/platform/h8s/ints.c
@@ -192,7 +192,7 @@ int request_irq(unsigned int irq,
         irq_handle->dev_id  = dev_id;
         irq_handle->devname = devname;
         irq_list[irq] = irq_handle;
-        if (irq_handle->flags & SA_SAMPLE_RANDOM)
+        if (irq_handle->flags & IRQF_SAMPLE_RANDOM)
                 rand_initialize_irq(irq);
         
         /* enable interrupt */
@@ -270,7 +270,7 @@ asmlinkage void process_int(unsigned long vec, struct pt_regs *fp)
                 if (irq_list[vec]) {
                         irq_list[vec]->handler(vec, irq_list[vec]->dev_id, fp);
                         irq_list[vec]->count++;
-                        if (irq_list[vec]->flags & SA_SAMPLE_RANDOM)
+                        if (irq_list[vec]->flags & IRQF_SAMPLE_RANDOM)
                                 add_interrupt_randomness(vec);
                 }
         } else {
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 27d8dddbaa47..daa75ce4b777 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -18,6 +18,14 @@ config GENERIC_TIME
         bool
         default y
 
+config LOCKDEP_SUPPORT
+        bool
+        default y
+
+config STACKTRACE_SUPPORT
+        bool
+        default y
+
 config SEMAPHORE_SLEEPERS
         bool
         default y
diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index c92191b1fb67..b31c0802e1cc 100644
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -1,5 +1,9 @@
 menu "Kernel hacking"
 
+config TRACE_IRQFLAGS_SUPPORT
+        bool
+        default y
+
 source "lib/Kconfig.debug"
 
 config EARLY_PRINTK
@@ -31,15 +35,6 @@ config DEBUG_STACK_USAGE
 
           This option will slow down process creation somewhat.
 
-config STACK_BACKTRACE_COLS
-        int "Stack backtraces per line" if DEBUG_KERNEL
-        range 1 3
-        default 2
-        help
-          Selects how many stack backtrace entries per line to display.
-
-          This can save screen space when displaying traces.
-
 comment "Page alloc debug is incompatible with Software Suspend on i386"
         depends on DEBUG_KERNEL && SOFTWARE_SUSPEND
 
diff --git a/arch/i386/boot/setup.S b/arch/i386/boot/setup.S
index 0a5a3be6d69c..d2b684cd620a 100644
--- a/arch/i386/boot/setup.S
+++ b/arch/i386/boot/setup.S
@@ -47,7 +47,7 @@
  */
 
 #include <asm/segment.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <linux/compile.h>
 #include <asm/boot.h>
 #include <asm/e820.h>
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index cbc1184e9473..1b452a1665c4 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -9,6 +9,7 @@ obj-y	:= process.o semaphore.o signal.o entry.o traps.o irq.o \
                 pci-dma.o i386_ksyms.o i387.o bootflag.o \
                 quirks.o i8237.o topology.o alternative.o i8253.o tsc.o
 
+obj-$(CONFIG_STACKTRACE)        += stacktrace.o
 obj-y                           += cpu/
 obj-y                           += acpi/
 obj-$(CONFIG_X86_BIOS_REBOOT)   += reboot.o
diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c
index 7b421b3a053e..28ab80649764 100644
--- a/arch/i386/kernel/alternative.c
+++ b/arch/i386/kernel/alternative.c
@@ -303,6 +303,16 @@ void alternatives_smp_switch(int smp)
         struct smp_alt_module *mod;
         unsigned long flags;
 
+#ifdef CONFIG_LOCKDEP
+        /*
+         * A not yet fixed binutils section handling bug prevents
+         * alternatives-replacement from working reliably, so turn
+         * it off:
+         */
+        printk("lockdep: not fixing up alternatives.\n");
+        return;
+#endif
+
         if (no_replacement || smp_alt_once)
                 return;
         BUG_ON(!smp && (num_online_cpus() > 1));
diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c
index a8d3ecdc3897..fde8bea85cee 100644
--- a/arch/i386/kernel/cpuid.c
+++ b/arch/i386/kernel/cpuid.c
@@ -167,6 +167,7 @@ static int cpuid_class_device_create(int i)
         return err;
 }
 
+#ifdef CONFIG_HOTPLUG_CPU
 static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
 {
         unsigned int cpu = (unsigned long)hcpu;
@@ -186,6 +187,7 @@ static struct notifier_block __cpuinitdata cpuid_class_cpu_notifier =
 {
         .notifier_call = cpuid_class_cpu_callback,
 };
+#endif /* !CONFIG_HOTPLUG_CPU */
 
 static int __init cpuid_init(void)
 {
@@ -208,7 +210,7 @@ static int __init cpuid_init(void)
                 if (err != 0) 
                         goto out_class;
         }
-        register_cpu_notifier(&cpuid_class_cpu_notifier);
+        register_hotcpu_notifier(&cpuid_class_cpu_notifier);
 
         err = 0;
         goto out;
@@ -233,7 +235,7 @@ static void __exit cpuid_exit(void)
                 class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu));
         class_destroy(cpuid_class);
         unregister_chrdev(CPUID_MAJOR, "cpu/cpuid");
-        unregister_cpu_notifier(&cpuid_class_cpu_notifier);
+        unregister_hotcpu_notifier(&cpuid_class_cpu_notifier);
 }
 
 module_init(cpuid_init);
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 787190c45fdb..d9a260f2efb4 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -42,6 +42,7 @@
 
 #include <linux/linkage.h>
 #include <asm/thread_info.h>
+#include <asm/irqflags.h>
 #include <asm/errno.h>
 #include <asm/segment.h>
 #include <asm/smp.h>
@@ -76,12 +77,21 @@ NT_MASK		= 0x00004000
 VM_MASK         = 0x00020000
 
 #ifdef CONFIG_PREEMPT
-#define preempt_stop            cli
+#define preempt_stop            cli; TRACE_IRQS_OFF
 #else
 #define preempt_stop
 #define resume_kernel           restore_nocheck
 #endif
 
+.macro TRACE_IRQS_IRET
+#ifdef CONFIG_TRACE_IRQFLAGS
+        testl $IF_MASK,EFLAGS(%esp)     # interrupts off?
+        jz 1f
+        TRACE_IRQS_ON
+1:
+#endif
+.endm
+
 #ifdef CONFIG_VM86
 #define resume_userspace_sig    check_userspace
 #else
@@ -257,6 +267,10 @@ ENTRY(sysenter_entry)
         CFI_REGISTER esp, ebp
         movl TSS_sysenter_esp0(%esp),%esp
 sysenter_past_esp:
+        /*
+         * No need to follow this irqs on/off section: the syscall
+         * disabled irqs and here we enable it straight after entry:
+         */
         sti
         pushl $(__USER_DS)
         CFI_ADJUST_CFA_OFFSET 4
@@ -303,6 +317,7 @@ sysenter_past_esp:
         call *sys_call_table(,%eax,4)
         movl %eax,EAX(%esp)
         cli
+        TRACE_IRQS_OFF
         movl TI_flags(%ebp), %ecx
         testw $_TIF_ALLWORK_MASK, %cx
         jne syscall_exit_work
@@ -310,6 +325,7 @@ sysenter_past_esp:
         movl EIP(%esp), %edx
         movl OLDESP(%esp), %ecx
         xorl %ebp,%ebp
+        TRACE_IRQS_ON
         sti
         sysexit
         CFI_ENDPROC
@@ -339,6 +355,7 @@ syscall_exit:
         cli                             # make sure we don't miss an interrupt
                                         # setting need_resched or sigpending
                                         # between sampling and the iret
+        TRACE_IRQS_OFF
         movl TI_flags(%ebp), %ecx
         testw $_TIF_ALLWORK_MASK, %cx   # current->work
         jne syscall_exit_work
@@ -355,12 +372,15 @@ restore_all:
         CFI_REMEMBER_STATE
         je ldt_ss                       # returning to user-space with LDT SS
 restore_nocheck:
+        TRACE_IRQS_IRET
+restore_nocheck_notrace:
         RESTORE_REGS
         addl $4, %esp
         CFI_ADJUST_CFA_OFFSET -4
 1:      iret
 .section .fixup,"ax"
 iret_exc:
+        TRACE_IRQS_ON
         sti
         pushl $0                        # no error code
         pushl $do_iret_error
@@ -386,11 +406,13 @@ ldt_ss:
         subl $8, %esp           # reserve space for switch16 pointer
         CFI_ADJUST_CFA_OFFSET 8
         cli
+        TRACE_IRQS_OFF
         movl %esp, %eax
         /* Set up the 16bit stack frame with switch32 pointer on top,
          * and a switch16 pointer on top of the current frame. */
         call setup_x86_bogus_stack
         CFI_ADJUST_CFA_OFFSET -8        # frame has moved
+        TRACE_IRQS_IRET
         RESTORE_REGS
         lss 20+4(%esp), %esp    # switch to 16bit stack
 1:      iret
@@ -411,6 +433,7 @@ work_resched:
         cli                             # make sure we don't miss an interrupt
                                         # setting need_resched or sigpending
                                         # between sampling and the iret
+        TRACE_IRQS_OFF
         movl TI_flags(%ebp), %ecx
         andl $_TIF_WORK_MASK, %ecx      # is there any work to be done other
                                         # than syscall tracing?
@@ -462,6 +485,7 @@ syscall_trace_entry:
 syscall_exit_work:
         testb $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP), %cl
         jz work_pending
+        TRACE_IRQS_ON
         sti                             # could let do_syscall_trace() call
                                         # schedule() instead
         movl %esp, %eax
@@ -535,9 +559,14 @@ ENTRY(irq_entries_start)
 vector=vector+1
 .endr
 
+/*
+ * the CPU automatically disables interrupts when executing an IRQ vector,
+ * so IRQ-flags tracing has to follow that:
+ */
         ALIGN
 common_interrupt:
         SAVE_ALL
+        TRACE_IRQS_OFF
         movl %esp,%eax
         call do_IRQ
         jmp ret_from_intr
@@ -549,9 +578,10 @@ ENTRY(name)				\
         pushl $~(nr);                   \
         CFI_ADJUST_CFA_OFFSET 4;        \
         SAVE_ALL;                       \
+        TRACE_IRQS_OFF                  \
         movl %esp,%eax;                 \
         call smp_/**/name;              \
-        jmp ret_from_intr;      \
+        jmp ret_from_intr;              \
         CFI_ENDPROC
 
 /* The include is where all of the SMP etc. interrupts come from */
@@ -726,7 +756,7 @@ nmi_stack_correct:
         xorl %edx,%edx          # zero error code
         movl %esp,%eax          # pt_regs pointer
         call do_nmi
-        jmp restore_all
+        jmp restore_nocheck_notrace
         CFI_ENDPROC
 
 nmi_stack_fixup:
diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
index 16b491703967..6cb529f60dcc 100644
--- a/arch/i386/kernel/irq.c
+++ b/arch/i386/kernel/irq.c
@@ -166,7 +166,7 @@ void irq_ctx_init(int cpu)
         irqctx->tinfo.task              = NULL;
         irqctx->tinfo.exec_domain       = NULL;
         irqctx->tinfo.cpu               = cpu;
-        irqctx->tinfo.preempt_count     = SOFTIRQ_OFFSET;
+        irqctx->tinfo.preempt_count     = 0;
         irqctx->tinfo.addr_limit        = MAKE_MM_SEG(0);
 
         softirq_ctx[cpu] = irqctx;
@@ -211,6 +211,10 @@ asmlinkage void do_softirq(void)
                         : "0"(isp)
                         : "memory", "cc", "edx", "ecx", "eax"
                 );
+                /*
+                 * Shouldnt happen, we returned above if in_interrupt():
+                 */
+                WARN_ON_ONCE(softirq_count());
         }
 
         local_irq_restore(flags);
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index a76e93146585..2dd928a84645 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -107,7 +107,7 @@ int nmi_active;
 static __init void nmi_cpu_busy(void *data)
 {
         volatile int *endflag = data;
-        local_irq_enable();
+        local_irq_enable_in_hardirq();
         /* Intentionally don't use cpu_relax here. This is
            to make sure that the performance counter really ticks,
            even if there is a simulator or similar that catches the
diff --git a/arch/i386/kernel/stacktrace.c b/arch/i386/kernel/stacktrace.c
new file mode 100644
index 000000000000..e62a037ab399
--- /dev/null
+++ b/arch/i386/kernel/stacktrace.c
@@ -0,0 +1,98 @@
+/*
+ * arch/i386/kernel/stacktrace.c
+ *
+ * Stack trace management functions
+ *
+ *  Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ */
+#include <linux/sched.h>
+#include <linux/stacktrace.h>
+
+static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
+{
+        return  p > (void *)tinfo &&
+                p < (void *)tinfo + THREAD_SIZE - 3;
+}
+
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer:
+ */
+static inline unsigned long
+save_context_stack(struct stack_trace *trace, unsigned int skip,
+                   struct thread_info *tinfo, unsigned long *stack,
+                   unsigned long ebp)
+{
+        unsigned long addr;
+
+#ifdef CONFIG_FRAME_POINTER
+        while (valid_stack_ptr(tinfo, (void *)ebp)) {
+                addr = *(unsigned long *)(ebp + 4);
+                if (!skip)
+                        trace->entries[trace->nr_entries++] = addr;
+                else
+                        skip--;
+                if (trace->nr_entries >= trace->max_entries)
+                        break;
+                /*
+                 * break out of recursive entries (such as
+                 * end_of_stack_stop_unwind_function):
+                 */
+                if (ebp == *(unsigned long *)ebp)
+                        break;
+
+                ebp = *(unsigned long *)ebp;
+        }
+#else
+        while (valid_stack_ptr(tinfo, stack)) {
+                addr = *stack++;
+                if (__kernel_text_address(addr)) {
+                        if (!skip)
+                                trace->entries[trace->nr_entries++] = addr;
+                        else
+                                skip--;
+                        if (trace->nr_entries >= trace->max_entries)
+                                break;
+                }
+        }
+#endif
+
+        return ebp;
+}
+
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer.
+ * If all_contexts is set, all contexts (hardirq, softirq and process)
+ * are saved. If not set then only the current context is saved.
+ */
+void save_stack_trace(struct stack_trace *trace,
+                      struct task_struct *task, int all_contexts,
+                      unsigned int skip)
+{
+        unsigned long ebp;
+        unsigned long *stack = &ebp;
+
+        WARN_ON(trace->nr_entries || !trace->max_entries);
+
+        if (!task || task == current) {
+                /* Grab ebp right from our regs: */
+                asm ("movl %%ebp, %0" : "=r" (ebp));
+        } else {
+                /* ebp is the last reg pushed by switch_to(): */
+                ebp = *(unsigned long *) task->thread.esp;
+        }
+
+        while (1) {
+                struct thread_info *context = (struct thread_info *)
+                                ((unsigned long)stack & (~(THREAD_SIZE - 1)));
+
+                ebp = save_context_stack(trace, skip, context, stack, ebp);
+                stack = (unsigned long *)context->previous_esp;
+                if (!all_contexts || !stack ||
+                                trace->nr_entries >= trace->max_entries)
+                        break;
+                trace->entries[trace->nr_entries++] = ULONG_MAX;
+                if (trace->nr_entries >= trace->max_entries)
+                        break;
+        }
+}
+
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index e8c6086b2aa1..2bf8b55b91f8 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -115,28 +115,13 @@ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
 }
 
 /*
- * Print CONFIG_STACK_BACKTRACE_COLS address/symbol entries per line.
+ * Print one address/symbol entries per line.
  */
-static inline int print_addr_and_symbol(unsigned long addr, char *log_lvl,
-                                        int printed)
+static inline void print_addr_and_symbol(unsigned long addr, char *log_lvl)
 {
-        if (!printed)
-                printk(log_lvl);
-
-#if CONFIG_STACK_BACKTRACE_COLS == 1
         printk(" [<%08lx>] ", addr);
-#else
-        printk(" <%08lx> ", addr);
-#endif
-        print_symbol("%s", addr);
 
-        printed = (printed + 1) % CONFIG_STACK_BACKTRACE_COLS;
-        if (printed)
-                printk(" ");
-        else
-                printk("\n");
-
-        return printed;
+        print_symbol("%s\n", addr);
 }
 
 static inline unsigned long print_context_stack(struct thread_info *tinfo,
@@ -144,12 +129,11 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo,
                                 char *log_lvl)
 {
         unsigned long addr;
-        int printed = 0; /* nr of entries already printed on current line */
 
 #ifdef  CONFIG_FRAME_POINTER
         while (valid_stack_ptr(tinfo, (void *)ebp)) {
                 addr = *(unsigned long *)(ebp + 4);
-                printed = print_addr_and_symbol(addr, log_lvl, printed);
+                print_addr_and_symbol(addr, log_lvl);
                 /*
                  * break out of recursive entries (such as
                  * end_of_stack_stop_unwind_function):
@@ -162,28 +146,23 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo,
         while (valid_stack_ptr(tinfo, stack)) {
                 addr = *stack++;
                 if (__kernel_text_address(addr))
-                        printed = print_addr_and_symbol(addr, log_lvl, printed);
+                        print_addr_and_symbol(addr, log_lvl);
         }
 #endif
-        if (printed)
-                printk("\n");
-
         return ebp;
 }
 
-static asmlinkage int show_trace_unwind(struct unwind_frame_info *info, void *log_lvl)
+static asmlinkage int
+show_trace_unwind(struct unwind_frame_info *info, void *log_lvl)
 {
         int n = 0;
-        int printed = 0; /* nr of entries already printed on current line */
 
         while (unwind(info) == 0 && UNW_PC(info)) {
-                ++n;
-                printed = print_addr_and_symbol(UNW_PC(info), log_lvl, printed);
+                n++;
+                print_addr_and_symbol(UNW_PC(info), log_lvl);
                 if (arch_unw_user_mode(info))
                         break;
         }
-        if (printed)
-                printk("\n");
         return n;
 }
 
diff --git a/arch/i386/mach-default/setup.c b/arch/i386/mach-default/setup.c
index 77c8c83815c1..c511705c386c 100644
--- a/arch/i386/mach-default/setup.c
+++ b/arch/i386/mach-default/setup.c
@@ -79,7 +79,7 @@ void __init trap_init_hook(void)
 {
 }
 
-static struct irqaction irq0  = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL};
+static struct irqaction irq0  = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL};
 
 /**
  * time_init_hook - do any specific initialisations for the system timer.
diff --git a/arch/i386/mach-visws/setup.c b/arch/i386/mach-visws/setup.c
index 1f84cdb24779..885c7cbfd478 100644
--- a/arch/i386/mach-visws/setup.c
+++ b/arch/i386/mach-visws/setup.c
@@ -115,7 +115,7 @@ void __init pre_setup_arch_hook()
 
 static struct irqaction irq0 = {
         .handler =      timer_interrupt,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "timer",
 };
 
diff --git a/arch/i386/mach-voyager/setup.c b/arch/i386/mach-voyager/setup.c
index 9da9ef09068d..cfa16c151c8f 100644
--- a/arch/i386/mach-voyager/setup.c
+++ b/arch/i386/mach-voyager/setup.c
@@ -40,7 +40,7 @@ void __init trap_init_hook(void)
 {
 }
 
-static struct irqaction irq0  = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL};
+static struct irqaction irq0  = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL};
 
 void __init time_init_hook(void)
 {
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index bdb4896c56e6..4a8995c9c762 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -864,7 +864,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                 for (i = 0; i < 16; i++) {
                         if (!(mask & (1 << i)))
                                 continue;
-                        if (pirq_penalty[i] < pirq_penalty[newirq] && can_request_irq(i, SA_SHIRQ))
+                        if (pirq_penalty[i] < pirq_penalty[newirq] && can_request_irq(i, IRQF_SHARED))
                                 newirq = i;
                 }
         }
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 33a3bbc8f67f..0daacc20ed36 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -46,7 +46,7 @@
 
 #define NR_PORTS        1       /* only one port for now */
 
-#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? SA_SHIRQ : SA_INTERRUPT)
+#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : IRQF_DISABLED)
 
 #define SSC_GETCHAR     21
 
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 3e6fcb056bcb..a041367f043b 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -235,7 +235,7 @@ extern irqreturn_t handle_IPI (int irq, void *dev_id, struct pt_regs *regs);
 
 static struct irqaction ipi_irqaction = {
         .handler =      handle_IPI,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "IPI"
 };
 #endif
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 584df1772845..2fbe4536fe18 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -678,7 +678,7 @@ copy_reg(const u64 *fr, u64 fnat, u64 *tr, u64 *tnat)
  */
 
 static void
-ia64_mca_modify_comm(const task_t *previous_current)
+ia64_mca_modify_comm(const struct task_struct *previous_current)
 {
         char *p, comm[sizeof(current->comm)];
         if (previous_current->pid)
@@ -709,7 +709,7 @@ ia64_mca_modify_comm(const task_t *previous_current)
  * that we can do backtrace on the MCA/INIT handler code itself.
  */
 
-static task_t *
+static struct task_struct *
 ia64_mca_modify_original_stack(struct pt_regs *regs,
                 const struct switch_stack *sw,
                 struct ia64_sal_os_state *sos,
@@ -719,7 +719,7 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
         ia64_va va;
         extern char ia64_leave_kernel[];        /* Need asm address, not function descriptor */
         const pal_min_state_area_t *ms = sos->pal_min_state;
-        task_t *previous_current;
+        struct task_struct *previous_current;
         struct pt_regs *old_regs;
         struct switch_stack *old_sw;
         unsigned size = sizeof(struct pt_regs) +
@@ -1023,7 +1023,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
         pal_processor_state_info_t *psp = (pal_processor_state_info_t *)
                 &sos->proc_state_param;
         int recover, cpu = smp_processor_id();
-        task_t *previous_current;
+        struct task_struct *previous_current;
         struct ia64_mca_notify_die nd =
                 { .sos = sos, .monarch_cpu = &monarch_cpu };
 
@@ -1352,7 +1352,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 {
         static atomic_t slaves;
         static atomic_t monarchs;
-        task_t *previous_current;
+        struct task_struct *previous_current;
         int cpu = smp_processor_id();
         struct ia64_mca_notify_die nd =
                 { .sos = sos, .monarch_cpu = &monarch_cpu };
@@ -1457,38 +1457,38 @@ __setup("disable_cpe_poll", ia64_mca_disable_cpe_polling);
 
 static struct irqaction cmci_irqaction = {
         .handler =      ia64_mca_cmc_int_handler,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "cmc_hndlr"
 };
 
 static struct irqaction cmcp_irqaction = {
         .handler =      ia64_mca_cmc_int_caller,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "cmc_poll"
 };
 
 static struct irqaction mca_rdzv_irqaction = {
         .handler =      ia64_mca_rendez_int_handler,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "mca_rdzv"
 };
 
 static struct irqaction mca_wkup_irqaction = {
         .handler =      ia64_mca_wakeup_int_handler,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "mca_wkup"
 };
 
 #ifdef CONFIG_ACPI
 static struct irqaction mca_cpe_irqaction = {
         .handler =      ia64_mca_cpe_int_handler,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "cpe_hndlr"
 };
 
 static struct irqaction mca_cpep_irqaction = {
         .handler =      ia64_mca_cpe_int_caller,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "cpe_poll"
 };
 #endif /* CONFIG_ACPI */
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 92b815d13418..c7ccd6ee1ddf 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -6439,7 +6439,7 @@ pfm_flush_pmds(struct task_struct *task, pfm_context_t *ctx)
 
 static struct irqaction perfmon_irqaction = {
         .handler = pfm_interrupt_handler,
-        .flags   = SA_INTERRUPT,
+        .flags   = IRQF_DISABLED,
         .name    = "perfmon"
 };
 
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index e1960979be29..6203ed4ec8cf 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -124,7 +124,7 @@ extern void __devinit calibrate_delay (void);
 extern void start_ap (void);
 extern unsigned long ia64_iobase;
 
-task_t *task_for_booting_cpu;
+struct task_struct *task_for_booting_cpu;
 
 /*
  * State for each CPU
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 71ccddabc715..6928ef0d64d8 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -231,7 +231,7 @@ ia64_init_itm (void)
 
 static struct irqaction timer_irqaction = {
         .handler =      timer_interrupt,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "timer"
 };
 
diff --git a/arch/ia64/sn/kernel/huberror.c b/arch/ia64/sn/kernel/huberror.c
index 56ab6bae00ee..96fb81e6321f 100644
--- a/arch/ia64/sn/kernel/huberror.c
+++ b/arch/ia64/sn/kernel/huberror.c
@@ -178,7 +178,7 @@ void hubiio_crb_error_handler(struct hubdev_info *hubdev_info)
  */
 void hub_error_init(struct hubdev_info *hubdev_info)
 {
-        if (request_irq(SGI_II_ERROR, (void *)hub_eint_handler, SA_SHIRQ,
+        if (request_irq(SGI_II_ERROR, (void *)hub_eint_handler, IRQF_SHARED,
                         "SN_hub_error", (void *)hubdev_info))
                 printk("hub_error_init: Failed to request_irq for 0x%p\n",
                     hubdev_info);
@@ -196,7 +196,7 @@ void hub_error_init(struct hubdev_info *hubdev_info)
 void ice_error_init(struct hubdev_info *hubdev_info)
 {
         if (request_irq
-            (SGI_TIO_ERROR, (void *)hub_eint_handler, SA_SHIRQ, "SN_TIO_error",
+            (SGI_TIO_ERROR, (void *)hub_eint_handler, IRQF_SHARED, "SN_TIO_error",
              (void *)hubdev_info))
                 printk("ice_error_init: request_irq() error hubdev_info 0x%p\n",
                        hubdev_info);
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index 8255a9be4632..c2f69f7942af 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -202,7 +202,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
         init_waitqueue_head(&part->channel_mgr_wq);
 
         sprintf(part->IPI_owner, "xpc%02d", partid);
-        ret = request_irq(SGI_XPC_NOTIFY, xpc_notify_IRQ_handler, SA_SHIRQ,
+        ret = request_irq(SGI_XPC_NOTIFY, xpc_notify_IRQ_handler, IRQF_SHARED,
                                 part->IPI_owner, (void *) (u64) partid);
         if (ret != 0) {
                 dev_err(xpc_chan, "can't register NOTIFY IRQ handler, "
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index ab1211ef0176..838c93c9a16a 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -139,7 +139,7 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
          * register the bridge's error interrupt handler
          */
         if (request_irq(SGI_PCIASIC_ERROR, (void *)pcibr_error_intr_handler,
-                        SA_SHIRQ, "PCIBR error", (void *)(soft))) {
+                        IRQF_SHARED, "PCIBR error", (void *)(soft))) {
                 printk(KERN_WARNING
                        "pcibr cannot allocate interrupt for error handler\n");
         }
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index e4aa839d0189..c36b0f5affb3 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -646,7 +646,7 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
 
         if (request_irq(SGI_TIOCA_ERROR,
                         tioca_error_intr_handler,
-                        SA_SHIRQ, "TIOCA error", (void *)tioca_common))
+                        IRQF_SHARED, "TIOCA error", (void *)tioca_common))
                 printk(KERN_WARNING
                        "%s:  Unable to get irq %d.  "
                        "Error interrupts won't be routed for TIOCA bus %d\n",
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 2d7948567ebc..17cd34284886 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -1027,7 +1027,7 @@ tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
 
         if (request_irq(SGI_PCIASIC_ERROR,
                         tioce_error_intr_handler,
-                        SA_SHIRQ, "TIOCE error", (void *)tioce_common))
+                        IRQF_SHARED, "TIOCE error", (void *)tioce_common))
                 printk(KERN_WARNING
                        "%s:  Unable to get irq %d.  "
                        "Error interrupts won't be routed for "
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
index efff6f5151df..ded0be07a476 100644
--- a/arch/m32r/kernel/time.c
+++ b/arch/m32r/kernel/time.c
@@ -237,7 +237,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
-struct irqaction irq0 = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE,
+struct irqaction irq0 = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE,
                           "MFT2", NULL, NULL };
 
 void __init time_init(void)
diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c
index f9403f4640a1..96c79d840cff 100644
--- a/arch/m68k/amiga/amiints.c
+++ b/arch/m68k/amiga/amiints.c
@@ -22,7 +22,7 @@
  *
  * 07/08/99: rewamp of the interrupt handling - we now have two types of
  *           interrupts, normal and fast handlers, fast handlers being
- *           marked with SA_INTERRUPT and runs with all other interrupts
+ *           marked with IRQF_DISABLED and runs with all other interrupts
  *           disabled. Normal interrupts disable their own source but
  *           run with all other interrupt sources enabled.
  *           PORTS and EXTER interrupts are always shared even if the
diff --git a/arch/m68k/amiga/cia.c b/arch/m68k/amiga/cia.c
index 0956e45399e5..dbad30054721 100644
--- a/arch/m68k/amiga/cia.c
+++ b/arch/m68k/amiga/cia.c
@@ -176,5 +176,5 @@ void __init cia_init_IRQ(struct ciabase *base)
         /* override auto int and install CIA handler */
         m68k_setup_irq_controller(&auto_irq_controller, base->handler_irq, 1);
         m68k_irq_startup(base->handler_irq);
-        request_irq(base->handler_irq, cia_handler, SA_SHIRQ, base->name, base);
+        request_irq(base->handler_irq, cia_handler, IRQF_SHARED, base->name, base);
 }
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index e969f0477640..b33e37fb7b0e 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -192,7 +192,7 @@ int setup_irq(unsigned int irq, struct irq_node *node)
         prev = irq_list + irq;
         if (*prev) {
                 /* Can't share interrupts unless both agree to */
-                if (!((*prev)->flags & node->flags & SA_SHIRQ)) {
+                if (!((*prev)->flags & node->flags & IRQF_SHARED)) {
                         spin_unlock_irqrestore(&contr->lock, flags);
                         return -EBUSY;
                 }
diff --git a/arch/m68knommu/platform/5307/pit.c b/arch/m68knommu/platform/5307/pit.c
index 994c893df1a4..9dc5688f71b5 100644
--- a/arch/m68knommu/platform/5307/pit.c
+++ b/arch/m68knommu/platform/5307/pit.c
@@ -48,7 +48,7 @@ void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *))
         volatile unsigned char *icrp;
         volatile unsigned long *imrp;
 
-        request_irq(MCFINT_VECBASE + MCFINT_PIT1, handler, SA_INTERRUPT,
+        request_irq(MCFINT_VECBASE + MCFINT_PIT1, handler, IRQF_DISABLED,
                 "ColdFire Timer", NULL);
 
         icrp = (volatile unsigned char *) (MCF_IPSBAR + MCFICM_INTC0 +
diff --git a/arch/m68knommu/platform/5307/timers.c b/arch/m68knommu/platform/5307/timers.c
index c3a9755c2d1f..24781f009337 100644
--- a/arch/m68knommu/platform/5307/timers.c
+++ b/arch/m68knommu/platform/5307/timers.c
@@ -61,7 +61,7 @@ void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *))
         __raw_writew(MCFTIMER_TMR_ENORI | MCFTIMER_TMR_CLK16 |
                 MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, TA(MCFTIMER_TMR));
 
-        request_irq(mcf_timervector, handler, SA_INTERRUPT, "timer", NULL);
+        request_irq(mcf_timervector, handler, IRQF_DISABLED, "timer", NULL);
         mcf_settimericr(1, mcf_timerlevel);
 
 #ifdef CONFIG_HIGHPROFILE
@@ -125,7 +125,7 @@ void coldfire_profile_init(void)
                 MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, PA(MCFTIMER_TMR));
 
         request_irq(mcf_profilevector, coldfire_profile_tick,
-                (SA_INTERRUPT | IRQ_FLG_FAST), "profile timer", NULL);
+                (IRQF_DISABLED | IRQ_FLG_FAST), "profile timer", NULL);
         mcf_settimericr(2, 7);
 }
 
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c
index 69cabb7463ff..98244d51c154 100644
--- a/arch/mips/au1000/common/dbdma.c
+++ b/arch/mips/au1000/common/dbdma.c
@@ -892,7 +892,7 @@ static void au1xxx_dbdma_init(void)
         #error Unknown Au1x00 SOC
 #endif
 
-        if (request_irq(irq_nr, dbdma_interrupt, SA_INTERRUPT,
+        if (request_irq(irq_nr, dbdma_interrupt, IRQF_DISABLED,
                         "Au1xxx dbdma", (void *)dbdma_gptr))
                 printk("Can't get 1550 dbdma irq");
 }
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c
index c0d56c130a59..29d6f8178bad 100644
--- a/arch/mips/au1000/common/irq.c
+++ b/arch/mips/au1000/common/irq.c
@@ -309,7 +309,7 @@ void startup_match20_interrupt(irqreturn_t (*handler)(int, void *, struct pt_reg
          * can avoid it.  --cgray
         */
         action.dev_id = handler;
-        action.flags = SA_INTERRUPT;
+        action.flags = IRQF_DISABLED;
         cpus_clear(action.mask);
         action.name = "Au1xxx TOY";
         action.handler = handler;
diff --git a/arch/mips/au1000/common/usbdev.c b/arch/mips/au1000/common/usbdev.c
index 2cab7629702c..63bcb3a95dc7 100644
--- a/arch/mips/au1000/common/usbdev.c
+++ b/arch/mips/au1000/common/usbdev.c
@@ -1465,14 +1465,14 @@ usbdev_init(struct usb_device_descriptor* dev_desc,
          */
 
         /* request the USB device transfer complete interrupt */
-        if (request_irq(AU1000_USB_DEV_REQ_INT, req_sus_intr, SA_INTERRUPT,
+        if (request_irq(AU1000_USB_DEV_REQ_INT, req_sus_intr, IRQF_DISABLED,
                         "USBdev req", &usbdev)) {
                 err("Can't get device request intr");
                 ret = -ENXIO;
                 goto out;
         }
         /* request the USB device suspend interrupt */
-        if (request_irq(AU1000_USB_DEV_SUS_INT, req_sus_intr, SA_INTERRUPT,
+        if (request_irq(AU1000_USB_DEV_SUS_INT, req_sus_intr, IRQF_DISABLED,
                         "USBdev sus", &usbdev)) {
                 err("Can't get device suspend intr");
                 ret = -ENXIO;
@@ -1483,7 +1483,7 @@ usbdev_init(struct usb_device_descriptor* dev_desc,
         if ((ep0->indma = request_au1000_dma(ep_dma_id[0].id,
                                              ep_dma_id[0].str,
                                              dma_done_ep0_intr,
-                                             SA_INTERRUPT,
+                                             IRQF_DISABLED,
                                              &usbdev)) < 0) {
                 err("Can't get %s DMA", ep_dma_id[0].str);
                 ret = -ENXIO;
@@ -1516,7 +1516,7 @@ usbdev_init(struct usb_device_descriptor* dev_desc,
                                 request_au1000_dma(ep_dma_id[ep->address].id,
                                                    ep_dma_id[ep->address].str,
                                                    dma_done_ep_intr,
-                                                   SA_INTERRUPT,
+                                                   IRQF_DISABLED,
                                                    &usbdev);
                         if (ep->indma < 0) {
                                 err("Can't get %s DMA",
diff --git a/arch/mips/basler/excite/excite_iodev.c b/arch/mips/basler/excite/excite_iodev.c
index 91121e523043..b288151b532e 100644
--- a/arch/mips/basler/excite/excite_iodev.c
+++ b/arch/mips/basler/excite/excite_iodev.c
@@ -113,7 +113,7 @@ static int __exit iodev_remove(struct device *dev)
 
 static int iodev_open(struct inode *i, struct file *f)
 {
-        return request_irq(iodev_irq, iodev_irqhdl, SA_INTERRUPT,
+        return request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
                            iodev_name, &miscdev);
 }
 
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index 9c707b9ceb65..2684f121784b 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -105,7 +105,7 @@ static struct irqaction fpuirq = {
 };
 
 static struct irqaction busirq = {
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
         .name = "bus error",
 };
 
@@ -124,7 +124,7 @@ static void __init dec_be_init(void)
         case MACH_DS23100:      /* DS2100/DS3100 Pmin/Pmax */
                 board_be_handler = dec_kn01_be_handler;
                 busirq.handler = dec_kn01_be_interrupt;
-                busirq.flags |= SA_SHIRQ;
+                busirq.flags |= IRQF_SHARED;
                 dec_kn01_be_init();
                 break;
         case MACH_DS5000_1XX:   /* DS5000/1xx 3min */
diff --git a/arch/mips/gt64120/common/time.c b/arch/mips/gt64120/common/time.c
index c64a7723cafb..d837b26fbe51 100644
--- a/arch/mips/gt64120/common/time.c
+++ b/arch/mips/gt64120/common/time.c
@@ -77,7 +77,7 @@ void gt64120_time_init(void)
          * the values to the correct interrupt line.
          */
         timer.handler = gt64120_irq;
-        timer.flags = SA_SHIRQ | SA_INTERRUPT;
+        timer.flags = IRQF_SHARED | IRQF_DISABLED;
         timer.name = "timer";
         timer.dev_id = NULL;
         timer.next = NULL;
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index ecfd637d702a..01e7fa86aa43 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -65,7 +65,7 @@ need_resched:
 #endif
 
 FEXPORT(ret_from_fork)
-        jal     schedule_tail           # a0 = task_t *prev
+        jal     schedule_tail           # a0 = struct task_struct *prev
 
 FEXPORT(syscall_exit)
         local_irq_disable               # make sure need_resched and
diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c
index 02237a685ec7..4dcc39f42951 100644
--- a/arch/mips/kernel/mips-mt.c
+++ b/arch/mips/kernel/mips-mt.c
@@ -47,7 +47,7 @@ unsigned long mt_fpemul_threshold = 0;
  * used in sys_sched_set/getaffinity() in kernel/sched.c, so
  * cloned here.
  */
-static inline task_t *find_process_by_pid(pid_t pid)
+static inline struct task_struct *find_process_by_pid(pid_t pid)
 {
         return pid ? find_task_by_pid(pid) : current;
 }
@@ -62,7 +62,7 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
         cpumask_t new_mask;
         cpumask_t effective_mask;
         int retval;
-        task_t *p;
+        struct task_struct *p;
 
         if (len < sizeof(new_mask))
                 return -EINVAL;
@@ -127,7 +127,7 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len,
         unsigned int real_len;
         cpumask_t mask;
         int retval;
-        task_t *p;
+        struct task_struct *p;
 
         real_len = sizeof(mask);
         if (len < real_len)
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index caf777f83289..cdab1b2cd134 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -487,7 +487,7 @@ static struct file_operations rtlx_fops = {
 
 static struct irqaction rtlx_irq = {
         .handler        = rtlx_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "RTLX",
 };
 
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 57770902b9ae..93429a4d3012 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -130,13 +130,13 @@ irqreturn_t ipi_call_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction irq_resched = {
         .handler        = ipi_resched_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "IPI_resched"
 };
 
 static struct irqaction irq_call = {
         .handler        = ipi_call_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "IPI_call"
 };
 
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 70cf09afdf56..a48d9e553083 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -1002,7 +1002,7 @@ void setup_cross_vpe_interrupts(void)
         set_vi_handler(MIPS_CPU_IPI_IRQ, ipi_irq_dispatch);
 
         irq_ipi.handler = ipi_interrupt;
-        irq_ipi.flags = SA_INTERRUPT;
+        irq_ipi.flags = IRQF_DISABLED;
         irq_ipi.name = "SMTC_IPI";
 
         setup_irq_smtc(cpu_ipi_irq, &irq_ipi, (0x100 << MIPS_CPU_IPI_IRQ));
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index c2b1fcf6024f..2393c11d5a20 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -579,7 +579,7 @@ unsigned int mips_hpt_frequency;
 
 static struct irqaction timer_irqaction = {
         .handler = timer_interrupt,
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
         .name = "timer",
 };
 
diff --git a/arch/mips/momentum/jaguar_atx/irq.c b/arch/mips/momentum/jaguar_atx/irq.c
index ec4032b38f19..f9067469a656 100644
--- a/arch/mips/momentum/jaguar_atx/irq.c
+++ b/arch/mips/momentum/jaguar_atx/irq.c
@@ -71,7 +71,7 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
 }
 
 static struct irqaction cascade_mv64340 = {
-        no_action, SA_INTERRUPT, CPU_MASK_NONE, "MV64340-Cascade", NULL, NULL
+        no_action, IRQF_DISABLED, CPU_MASK_NONE, "MV64340-Cascade", NULL, NULL
 };
 
 void __init arch_init_irq(void)
diff --git a/arch/mips/momentum/ocelot_3/irq.c b/arch/mips/momentum/ocelot_3/irq.c
index 87c63c340ae3..793782a9c195 100644
--- a/arch/mips/momentum/ocelot_3/irq.c
+++ b/arch/mips/momentum/ocelot_3/irq.c
@@ -54,7 +54,7 @@
 #include <asm/system.h>
 
 static struct irqaction cascade_mv64340 = {
-        no_action, SA_INTERRUPT, CPU_MASK_NONE, "MV64340-Cascade", NULL, NULL
+        no_action, IRQF_DISABLED, CPU_MASK_NONE, "MV64340-Cascade", NULL, NULL
 };
 
 void __init arch_init_irq(void)
diff --git a/arch/mips/momentum/ocelot_c/irq.c b/arch/mips/momentum/ocelot_c/irq.c
index 86f61ce59e53..9d44ae1e156b 100644
--- a/arch/mips/momentum/ocelot_c/irq.c
+++ b/arch/mips/momentum/ocelot_c/irq.c
@@ -52,11 +52,11 @@ extern void uart_irq_init(void);
 extern void cpci_irq_init(void);
 
 static struct irqaction cascade_fpga = {
-        no_action, SA_INTERRUPT, CPU_MASK_NONE, "cascade via FPGA", NULL, NULL
+        no_action, IRQF_DISABLED, CPU_MASK_NONE, "cascade via FPGA", NULL, NULL
 };
 
 static struct irqaction cascade_mv64340 = {
-        no_action, SA_INTERRUPT, CPU_MASK_NONE, "cascade via MV64340", NULL, NULL
+        no_action, IRQF_DISABLED, CPU_MASK_NONE, "cascade via MV64340", NULL, NULL
 };
 
 extern void ll_uart_irq(struct pt_regs *regs);
diff --git a/arch/mips/momentum/ocelot_g/gt-irq.c b/arch/mips/momentum/ocelot_g/gt-irq.c
index 047457f3b97a..9fb2493fff02 100644
--- a/arch/mips/momentum/ocelot_g/gt-irq.c
+++ b/arch/mips/momentum/ocelot_g/gt-irq.c
@@ -173,7 +173,7 @@ void gt64240_time_init(void)
          * the values to the correct interrupt line.
          */
         timer.handler = &gt64240_p0int_irq;
-        timer.flags = SA_SHIRQ | SA_INTERRUPT;
+        timer.flags = IRQF_SHARED | IRQF_DISABLED;
         timer.name = "timer";
         timer.dev_id = NULL;
         timer.next = NULL;
diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c
index 388a4df73040..8aca317d4624 100644
--- a/arch/mips/philips/pnx8550/common/int.c
+++ b/arch/mips/philips/pnx8550/common/int.c
@@ -219,13 +219,13 @@ static struct hw_interrupt_type level_irq_type = {
 
 static struct irqaction gic_action = {
         .handler =      no_action,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "GIC",
 };
 
 static struct irqaction timer_action = {
         .handler =      no_action,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "Timer",
 };
 
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index aee567dc372a..2d8762818d95 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -272,32 +272,32 @@ static void indy_buserror_irq(struct pt_regs *regs)
 
 static struct irqaction local0_cascade = {
         .handler        = no_action,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "local0 cascade",
 };
 
 static struct irqaction local1_cascade = {
         .handler        = no_action,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "local1 cascade",
 };
 
 static struct irqaction buserr = {
         .handler        = no_action,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "Bus Error",
 };
 
 static struct irqaction map0_cascade = {
         .handler        = no_action,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "mapable0 cascade",
 };
 
 #ifdef USE_LIO3_IRQ
 static struct irqaction map1_cascade = {
         .handler        = no_action,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "mapable1 cascade",
 };
 #define SGI_INTERRUPTS  SGINT_END
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index a94e4c785805..597ec73359b7 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -118,7 +118,7 @@ static int ms1bit(unsigned long x)
 }
 
 /*
- * This code is unnecessarily complex, because we do SA_INTERRUPT
+ * This code is unnecessarily complex, because we do IRQF_DISABLED
  * intr enabling. Basically, once we grab the set of intrs we need
  * to service, we must mask _all_ these interrupts; firstly, to make
  * sure the same intr does not intr again, causing recursion that
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 1fb860c7ac6d..3ca614a851e5 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -217,7 +217,7 @@ static struct hw_interrupt_type rt_irq_type = {
 
 static struct irqaction rt_irqaction = {
         .handler        = ip27_rt_timer_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .mask           = CPU_MASK_NONE,
         .name           = "timer"
 };
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index 00b94aaf6371..3b7e74b6222e 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -125,9 +125,9 @@ extern irqreturn_t crime_memerr_intr (int irq, void *dev_id,
 extern irqreturn_t crime_cpuerr_intr (int irq, void *dev_id,
                                       struct pt_regs *regs);
 
-struct irqaction memerr_irq = { crime_memerr_intr, SA_INTERRUPT,
+struct irqaction memerr_irq = { crime_memerr_intr, IRQF_DISABLED,
                         CPU_MASK_NONE, "CRIME memory error", NULL, NULL };
-struct irqaction cpuerr_irq = { crime_cpuerr_intr, SA_INTERRUPT,
+struct irqaction cpuerr_irq = { crime_cpuerr_intr, IRQF_DISABLED,
                         CPU_MASK_NONE, "CRIME CPU error", NULL, NULL };
 
 /*
@@ -316,9 +316,9 @@ static struct hw_interrupt_type ip32_macepci_interrupt = {
                                  MACEISA_KEYB_POLL_INT |        \
                                  MACEISA_MOUSE_INT |            \
                                  MACEISA_MOUSE_POLL_INT |       \
-                                 MACEISA_TIMER0_INT |           \
-                                 MACEISA_TIMER1_INT |           \
-                                 MACEISA_TIMER2_INT)
+                                 MACEIIRQF_TIMER0_INT |         \
+                                 MACEIIRQF_TIMER1_INT |         \
+                                 MACEIIRQF_TIMER2_INT)
 #define MACEISA_SUPERIO_INT     (MACEISA_PARALLEL_INT |         \
                                  MACEISA_PAR_CTXA_INT |         \
                                  MACEISA_PAR_CTXB_INT |         \
@@ -349,7 +349,7 @@ static void enable_maceisa_irq (unsigned int irq)
         case MACEISA_AUDIO_SW_IRQ ... MACEISA_AUDIO3_MERR_IRQ:
                 crime_int = MACE_AUDIO_INT;
                 break;
-        case MACEISA_RTC_IRQ ... MACEISA_TIMER2_IRQ:
+        case MACEISA_RTC_IRQ ... MACEIIRQF_TIMER2_IRQ:
                 crime_int = MACE_MISC_INT;
                 break;
         case MACEISA_PARALLEL_IRQ ... MACEISA_SERIAL2_RDMAOR_IRQ:
diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
index ee943cb1328c..ec0a0de3083d 100644
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
@@ -337,7 +337,7 @@ int toshiba_rbtx4927_irq_nested(int sw_irq)
 }
 
 //#define TOSHIBA_RBTX4927_PIC_ACTION(s) { no_action, 0, CPU_MASK_NONE, s, NULL, NULL }
-#define TOSHIBA_RBTX4927_PIC_ACTION(s) { no_action, SA_SHIRQ, CPU_MASK_NONE, s, NULL, NULL }
+#define TOSHIBA_RBTX4927_PIC_ACTION(s) { no_action, IRQF_SHARED, CPU_MASK_NONE, s, NULL, NULL }
 static struct irqaction toshiba_rbtx4927_irq_ioc_action =
 TOSHIBA_RBTX4927_PIC_ACTION(TOSHIBA_RBTX4927_IOC_NAME);
 #ifdef CONFIG_TOSHIBA_FPCIB0
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 52761d96f991..5b8803cc3d69 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -366,14 +366,14 @@ void do_cpu_irq_mask(struct pt_regs *regs)
 static struct irqaction timer_action = {
         .handler = timer_interrupt,
         .name = "timer",
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
 };
 
 #ifdef CONFIG_SMP
 static struct irqaction ipi_action = {
         .handler = ipi_interrupt,
         .name = "IPI",
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
 };
 #endif
 
diff --git a/arch/powerpc/configs/chrp32_defconfig b/arch/powerpc/configs/chrp32_defconfig
new file mode 100644
index 000000000000..0fa010a63a8e
--- /dev/null
+++ b/arch/powerpc/configs/chrp32_defconfig
@@ -0,0 +1,1378 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.17
+# Mon Jul  3 12:08:41 2006
+#
+# CONFIG_PPC64 is not set
+CONFIG_PPC32=y
+CONFIG_PPC_MERGE=y
+CONFIG_MMU=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_PPC=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_GENERIC_NVRAM=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_PPC_OF=y
+CONFIG_PPC_UDBG_16550=y
+CONFIG_GENERIC_TBSYNC=y
+# CONFIG_DEFAULT_UIMAGE is not set
+
+#
+# Processor support
+#
+CONFIG_CLASSIC32=y
+# CONFIG_PPC_52xx is not set
+# CONFIG_PPC_82xx is not set
+# CONFIG_PPC_83xx is not set
+# CONFIG_PPC_85xx is not set
+# CONFIG_PPC_86xx is not set
+# CONFIG_40x is not set
+# CONFIG_44x is not set
+# CONFIG_8xx is not set
+# CONFIG_E200 is not set
+CONFIG_6xx=y
+CONFIG_PPC_FPU=y
+# CONFIG_ALTIVEC is not set
+CONFIG_PPC_STD_MMU=y
+CONFIG_PPC_STD_MMU_32=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+# CONFIG_CPUSETS is not set
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+# CONFIG_EMBEDDED is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SHMEM=y
+CONFIG_SLAB=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_STOP_MACHINE=y
+
+#
+# Block layer
+#
+CONFIG_LBD=y
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+
+#
+# Platform support
+#
+CONFIG_PPC_MULTIPLATFORM=y
+# CONFIG_PPC_ISERIES is not set
+# CONFIG_EMBEDDED6xx is not set
+# CONFIG_APUS is not set
+CONFIG_PPC_CHRP=y
+# CONFIG_PPC_PMAC is not set
+# CONFIG_PPC_CELL is not set
+# CONFIG_PPC_CELL_NATIVE is not set
+CONFIG_MPIC=y
+CONFIG_PPC_RTAS=y
+# CONFIG_RTAS_ERROR_LOGGING is not set
+CONFIG_RTAS_PROC=y
+# CONFIG_MMIO_NVRAM is not set
+CONFIG_PPC_MPC106=y
+# CONFIG_PPC_970_NAP is not set
+# CONFIG_CPU_FREQ is not set
+# CONFIG_TAU is not set
+# CONFIG_WANT_EARLY_SERIAL is not set
+
+#
+# Kernel options
+#
+CONFIG_HIGHMEM=y
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_PREEMPT_BKL=y
+CONFIG_BINFMT_ELF=y
+CONFIG_BINFMT_MISC=y
+# CONFIG_KEXEC is not set
+CONFIG_IRQ_ALL_CPUS=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_PROC_DEVICETREE=y
+# CONFIG_CMDLINE_BOOL is not set
+# CONFIG_PM is not set
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
+
+#
+# Bus options
+#
+CONFIG_ISA=y
+CONFIG_GENERIC_ISA_DMA=y
+CONFIG_PPC_I8259=y
+CONFIG_PPC_INDIRECT_PCI=y
+CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
+# CONFIG_PCIEPORTBUS is not set
+# CONFIG_PCI_DEBUG is not set
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# PCI Hotplug Support
+#
+# CONFIG_HOTPLUG_PCI is not set
+
+#
+# Advanced setup
+#
+# CONFIG_ADVANCED_OPTIONS is not set
+
+#
+# Default settings for advanced configuration options are used
+#
+CONFIG_HIGHMEM_START=0xfe000000
+CONFIG_LOWMEM_SIZE=0x30000000
+CONFIG_KERNEL_START=0xc0000000
+CONFIG_TASK_SIZE=0x80000000
+CONFIG_BOOT_LOAD=0x00800000
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+
+#
+# IP: Virtual Server Configuration
+#
+# CONFIG_IP_VS is not set
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+
+#
+# Core Netfilter Configuration
+#
+# CONFIG_NETFILTER_NETLINK is not set
+# CONFIG_NETFILTER_XTABLES is not set
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_IP_NF_CONNTRACK=m
+# CONFIG_IP_NF_CT_ACCT is not set
+# CONFIG_IP_NF_CONNTRACK_MARK is not set
+# CONFIG_IP_NF_CONNTRACK_EVENTS is not set
+# CONFIG_IP_NF_CT_PROTO_SCTP is not set
+CONFIG_IP_NF_FTP=m
+CONFIG_IP_NF_IRC=m
+# CONFIG_IP_NF_NETBIOS_NS is not set
+CONFIG_IP_NF_TFTP=m
+CONFIG_IP_NF_AMANDA=m
+# CONFIG_IP_NF_PPTP is not set
+# CONFIG_IP_NF_H323 is not set
+# CONFIG_IP_NF_SIP is not set
+# CONFIG_IP_NF_QUEUE is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+# CONFIG_STANDALONE is not set
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_SYS_HYPERVISOR is not set
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
+# Memory Technology Devices (MTD)
+#
+# CONFIG_MTD is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+# CONFIG_PNP is not set
+
+#
+# Block devices
+#
+CONFIG_BLK_DEV_FD=y
+# CONFIG_BLK_DEV_XD is not set
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDE=y
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+# CONFIG_BLK_DEV_IDE_SATA is not set
+CONFIG_BLK_DEV_IDEDISK=y
+CONFIG_IDEDISK_MULTI_MODE=y
+CONFIG_BLK_DEV_IDECD=y
+# CONFIG_BLK_DEV_IDETAPE is not set
+# CONFIG_BLK_DEV_IDEFLOPPY is not set
+# CONFIG_BLK_DEV_IDESCSI is not set
+# CONFIG_IDE_TASK_IOCTL is not set
+
+#
+# IDE chipset support/bugfixes
+#
+CONFIG_IDE_GENERIC=y
+CONFIG_BLK_DEV_IDEPCI=y
+CONFIG_IDEPCI_SHARE_IRQ=y
+# CONFIG_BLK_DEV_OFFBOARD is not set
+CONFIG_BLK_DEV_GENERIC=y
+# CONFIG_BLK_DEV_OPTI621 is not set
+CONFIG_BLK_DEV_SL82C105=y
+CONFIG_BLK_DEV_IDEDMA_PCI=y
+# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
+CONFIG_IDEDMA_PCI_AUTO=y
+# CONFIG_IDEDMA_ONLYDISK is not set
+# CONFIG_BLK_DEV_AEC62XX is not set
+# CONFIG_BLK_DEV_ALI15X3 is not set
+# CONFIG_BLK_DEV_AMD74XX is not set
+# CONFIG_BLK_DEV_CMD64X is not set
+# CONFIG_BLK_DEV_TRIFLEX is not set
+# CONFIG_BLK_DEV_CY82C693 is not set
+# CONFIG_BLK_DEV_CS5520 is not set
+# CONFIG_BLK_DEV_CS5530 is not set
+# CONFIG_BLK_DEV_HPT34X is not set
+# CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_SC1200 is not set
+# CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_IT821X is not set
+# CONFIG_BLK_DEV_NS87415 is not set
+# CONFIG_BLK_DEV_PDC202XX_OLD is not set
+# CONFIG_BLK_DEV_PDC202XX_NEW is not set
+# CONFIG_BLK_DEV_SVWKS is not set
+# CONFIG_BLK_DEV_SIIMAGE is not set
+# CONFIG_BLK_DEV_SLC90E66 is not set
+# CONFIG_BLK_DEV_TRM290 is not set
+CONFIG_BLK_DEV_VIA82CXXX=y
+# CONFIG_IDE_ARM is not set
+# CONFIG_IDE_CHIPSETS is not set
+CONFIG_BLK_DEV_IDEDMA=y
+# CONFIG_IDEDMA_IVB is not set
+CONFIG_IDEDMA_AUTO=y
+# CONFIG_BLK_DEV_HD is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_ST=y
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=y
+CONFIG_BLK_DEV_SR_VENDOR=y
+CONFIG_CHR_DEV_SG=y
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+CONFIG_SCSI_CONSTANTS=y
+# CONFIG_SCSI_LOGGING is not set
+
+#
+# SCSI Transport Attributes
+#
+CONFIG_SCSI_SPI_ATTRS=y
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_ATTRS is not set
+
+#
+# SCSI low-level drivers
+#
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_7000FASST is not set
+# CONFIG_SCSI_ACARD is not set
+# CONFIG_SCSI_AHA152X is not set
+# CONFIG_SCSI_AHA1542 is not set
+# CONFIG_SCSI_AACRAID is not set
+# CONFIG_SCSI_AIC7XXX is not set
+# CONFIG_SCSI_AIC7XXX_OLD is not set
+# CONFIG_SCSI_AIC79XX is not set
+# CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_SCSI_IN2000 is not set
+# CONFIG_MEGARAID_NEWGEN is not set
+# CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
+# CONFIG_SCSI_SATA is not set
+# CONFIG_SCSI_HPTIOP is not set
+# CONFIG_SCSI_BUSLOGIC is not set
+# CONFIG_SCSI_DMX3191D is not set
+# CONFIG_SCSI_DTC3280 is not set
+# CONFIG_SCSI_EATA is not set
+# CONFIG_SCSI_FUTURE_DOMAIN is not set
+# CONFIG_SCSI_GDTH is not set
+# CONFIG_SCSI_GENERIC_NCR5380 is not set
+# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
+# CONFIG_SCSI_IPS is not set
+# CONFIG_SCSI_INITIO is not set
+# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_NCR53C406A is not set
+CONFIG_SCSI_SYM53C8XX_2=y
+CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0
+CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
+CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
+CONFIG_SCSI_SYM53C8XX_MMIO=y
+# CONFIG_SCSI_IPR is not set
+# CONFIG_SCSI_PAS16 is not set
+# CONFIG_SCSI_PSI240I is not set
+# CONFIG_SCSI_QLOGIC_FAS is not set
+# CONFIG_SCSI_QLOGIC_1280 is not set
+# CONFIG_SCSI_QLA_FC is not set
+# CONFIG_SCSI_LPFC is not set
+# CONFIG_SCSI_SYM53C416 is not set
+# CONFIG_SCSI_DC395x is not set
+# CONFIG_SCSI_DC390T is not set
+# CONFIG_SCSI_T128 is not set
+# CONFIG_SCSI_U14_34F is not set
+# CONFIG_SCSI_NSP32 is not set
+# CONFIG_SCSI_DEBUG is not set
+
+#
+# Old CD-ROM drivers (not SCSI, not IDE)
+#
+# CONFIG_CD_NO_IDESCSI is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+# CONFIG_FUSION_SPI is not set
+# CONFIG_FUSION_FC is not set
+# CONFIG_FUSION_SAS is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+# CONFIG_IEEE1394 is not set
+
+#
+# I2O device support
+#
+# CONFIG_I2O is not set
+
+#
+# Macintosh device drivers
+#
+# CONFIG_WINDFARM is not set
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+
+#
+# ARCnet devices
+#
+# CONFIG_ARCNET is not set
+
+#
+# PHY device support
+#
+# CONFIG_PHYLIB is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_LANCE is not set
+# CONFIG_NET_VENDOR_SMC is not set
+# CONFIG_NET_VENDOR_RACAL is not set
+
+#
+# Tulip family network device support
+#
+CONFIG_NET_TULIP=y
+# CONFIG_DE2104X is not set
+# CONFIG_TULIP is not set
+CONFIG_DE4X5=y
+# CONFIG_WINBOND_840 is not set
+# CONFIG_DM9102 is not set
+# CONFIG_ULI526X is not set
+# CONFIG_AT1700 is not set
+# CONFIG_DEPCA is not set
+# CONFIG_HP100 is not set
+# CONFIG_NET_ISA is not set
+CONFIG_NET_PCI=y
+CONFIG_PCNET32=y
+# CONFIG_AMD8111_ETH is not set
+# CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_AC3200 is not set
+# CONFIG_APRICOT is not set
+# CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
+# CONFIG_CS89x0 is not set
+# CONFIG_DGRS is not set
+# CONFIG_EEPRO100 is not set
+# CONFIG_E100 is not set
+# CONFIG_FEALNX is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+CONFIG_8139CP=y
+CONFIG_8139TOO=y
+# CONFIG_8139TOO_PIO is not set
+# CONFIG_8139TOO_TUNE_TWISTER is not set
+# CONFIG_8139TOO_8129 is not set
+# CONFIG_8139_OLD_RX_RESET is not set
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+CONFIG_VIA_RHINE=y
+# CONFIG_VIA_RHINE_MMIO is not set
+
+#
+# Ethernet (1000 Mbit)
+#
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+# CONFIG_E1000 is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+# CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
+# CONFIG_SK98LIN is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+CONFIG_MV643XX_ETH=y
+# CONFIG_MV643XX_ETH_0 is not set
+# CONFIG_MV643XX_ETH_1 is not set
+# CONFIG_MV643XX_ETH_2 is not set
+
+#
+# Ethernet (10000 Mbit)
+#
+# CONFIG_CHELSIO_T1 is not set
+# CONFIG_IXGB is not set
+# CONFIG_S2IO is not set
+# CONFIG_MYRI10GE is not set
+
+#
+# Token Ring devices
+#
+# CONFIG_TR is not set
+
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+CONFIG_PPP=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_SYNC_TTY=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_MPPE=m
+CONFIG_PPPOE=m
+# CONFIG_SLIP is not set
+# CONFIG_NET_FC is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Telephony Support
+#
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+CONFIG_INPUT_MOUSE=y
+CONFIG_MOUSE_PS2=y
+# CONFIG_MOUSE_SERIAL is not set
+# CONFIG_MOUSE_INPORT is not set
+# CONFIG_MOUSE_LOGIBM is not set
+# CONFIG_MOUSE_PC110PAD is not set
+# CONFIG_MOUSE_VSXXXAA is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_PCSPKR is not set
+CONFIG_INPUT_UINPUT=y
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_I8042=y
+CONFIG_SERIO_SERPORT=y
+# CONFIG_SERIO_PCIPS2 is not set
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_PCI=y
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_HVC_RTAS is not set
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+CONFIG_NVRAM=y
+CONFIG_GEN_RTC=y
+# CONFIG_GEN_RTC_X is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_AGP is not set
+# CONFIG_DRM is not set
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
+# I2C support
+#
+CONFIG_I2C=y
+# CONFIG_I2C_CHARDEV is not set
+
+#
+# I2C Algorithms
+#
+CONFIG_I2C_ALGOBIT=y
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_HYDRA is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_MPC is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PROSAVAGE is not set
+# CONFIG_I2C_SAVAGE4 is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_ISA is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_M41T00 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
+# Dallas's 1-wire bus
+#
+
+#
+# Hardware Monitoring support
+#
+# CONFIG_HWMON is not set
+# CONFIG_HWMON_VID is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+# CONFIG_USB_DABUSB is not set
+
+#
+# Graphics support
+#
+CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+CONFIG_FB_MACMODES=y
+CONFIG_FB_FIRMWARE_EDID=y
+# CONFIG_FB_BACKLIGHT is not set
+CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_TILEBLITTING=y
+# CONFIG_FB_CIRRUS is not set
+# CONFIG_FB_PM2 is not set
+# CONFIG_FB_CYBER2000 is not set
+CONFIG_FB_OF=y
+# CONFIG_FB_CT65550 is not set
+# CONFIG_FB_ASILIANT is not set
+# CONFIG_FB_IMSTT is not set
+# CONFIG_FB_VGA16 is not set
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_NVIDIA is not set
+# CONFIG_FB_RIVA is not set
+CONFIG_FB_MATROX=y
+CONFIG_FB_MATROX_MILLENIUM=y
+CONFIG_FB_MATROX_MYSTIQUE=y
+CONFIG_FB_MATROX_G=y
+# CONFIG_FB_MATROX_I2C is not set
+# CONFIG_FB_MATROX_MULTIHEAD is not set
+CONFIG_FB_RADEON=y
+CONFIG_FB_RADEON_I2C=y
+# CONFIG_FB_RADEON_DEBUG is not set
+# CONFIG_FB_ATY128 is not set
+CONFIG_FB_ATY=y
+CONFIG_FB_ATY_CT=y
+# CONFIG_FB_ATY_GENERIC_LCD is not set
+CONFIG_FB_ATY_GX=y
+# CONFIG_FB_SAVAGE is not set
+# CONFIG_FB_SIS is not set
+# CONFIG_FB_NEOMAGIC is not set
+# CONFIG_FB_KYRO is not set
+CONFIG_FB_3DFX=y
+# CONFIG_FB_3DFX_ACCEL is not set
+# CONFIG_FB_VOODOO1 is not set
+# CONFIG_FB_TRIDENT is not set
+# CONFIG_FB_VIRTUAL is not set
+
+#
+# Console display driver support
+#
+CONFIG_VGA_CONSOLE=y
+# CONFIG_VGACON_SOFT_SCROLLBACK is not set
+# CONFIG_MDA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+
+#
+# Logo configuration
+#
+CONFIG_LOGO=y
+CONFIG_LOGO_LINUX_MONO=y
+CONFIG_LOGO_LINUX_VGA16=y
+CONFIG_LOGO_LINUX_CLUT224=y
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+
+#
+# USB support
+#
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+# CONFIG_USB_BANDWIDTH is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+CONFIG_USB_EHCI_HCD=m
+# CONFIG_USB_EHCI_SPLIT_ISO is not set
+# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
+# CONFIG_USB_EHCI_TT_NEWSCHED is not set
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+CONFIG_USB_UHCI_HCD=y
+# CONFIG_USB_SL811_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=m
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+CONFIG_USB_HIDINPUT=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
+# CONFIG_USB_AIPTEK is not set
+# CONFIG_USB_WACOM is not set
+# CONFIG_USB_ACECAD is not set
+# CONFIG_USB_KBTAB is not set
+# CONFIG_USB_POWERMATE is not set
+# CONFIG_USB_TOUCHSCREEN is not set
+# CONFIG_USB_YEALINK is not set
+# CONFIG_USB_XPAD is not set
+# CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_ATI_REMOTE2 is not set
+# CONFIG_USB_KEYSPAN_REMOTE is not set
+# CONFIG_USB_APPLETOUCH is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+
+#
+# USB Serial Converter support
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGETKIT is not set
+# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_SISUSBVGA is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
+# InfiniBand support
+#
+# CONFIG_INFINIBAND is not set
+
+#
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+
+#
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+
+#
+# DMA Engine support
+#
+# CONFIG_DMA_ENGINE is not set
+
+#
+# DMA Clients
+#
+
+#
+# DMA Devices
+#
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=y
+# CONFIG_JOLIET is not set
+# CONFIG_ZISOFS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+# CONFIG_NFS_FS is not set
+# CONFIG_NFSD is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+CONFIG_MAC_PARTITION=y
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+
+#
+# Native Language Support
+#
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+# CONFIG_NLS_CODEPAGE_437 is not set
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Library routines
+#
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=m
+CONFIG_ZLIB_DEFLATE=m
+CONFIG_TEXTSEARCH=y
+CONFIG_TEXTSEARCH_KMP=m
+
+#
+# Instrumentation Support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_LOG_BUF_SHIFT=15
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_SPINLOCK is not set
+CONFIG_DEBUG_SPINLOCK_SLEEP=y
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_HIGHMEM is not set
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_VM is not set
+CONFIG_FORCED_INLINING=y
+# CONFIG_RCU_TORTURE_TEST is not set
+CONFIG_DEBUGGER=y
+CONFIG_XMON=y
+CONFIG_XMON_DEFAULT=y
+# CONFIG_BDI_SWITCH is not set
+# CONFIG_BOOTX_TEXT is not set
+# CONFIG_PPC_EARLY_DEBUG is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+CONFIG_CRYPTO=y
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+CONFIG_CRYPTO_SHA1=m
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+CONFIG_CRYPTO_ARC4=m
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Hardware crypto devices
+#
diff --git a/arch/powerpc/configs/mpc834x_itx_defconfig b/arch/powerpc/configs/mpc834x_itx_defconfig
new file mode 100644
index 000000000000..fc2d9789adc8
--- /dev/null
+++ b/arch/powerpc/configs/mpc834x_itx_defconfig
@@ -0,0 +1,1336 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.17
+# Fri Jun 30 17:53:25 2006
+#
+# CONFIG_PPC64 is not set
+CONFIG_PPC32=y
+CONFIG_PPC_MERGE=y
+CONFIG_MMU=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_IRQ_PER_CPU=y
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_PPC=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_GENERIC_NVRAM=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_PPC_OF=y
+CONFIG_PPC_UDBG_16550=y
+# CONFIG_GENERIC_TBSYNC is not set
+CONFIG_DEFAULT_UIMAGE=y
+
+#
+# Processor support
+#
+# CONFIG_CLASSIC32 is not set
+# CONFIG_PPC_52xx is not set
+# CONFIG_PPC_82xx is not set
+CONFIG_PPC_83xx=y
+# CONFIG_PPC_85xx is not set
+# CONFIG_PPC_86xx is not set
+# CONFIG_40x is not set
+# CONFIG_44x is not set
+# CONFIG_8xx is not set
+# CONFIG_E200 is not set
+CONFIG_6xx=y
+CONFIG_83xx=y
+CONFIG_PPC_FPU=y
+CONFIG_PPC_STD_MMU=y
+CONFIG_PPC_STD_MMU_32=y
+# CONFIG_SMP is not set
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_EMBEDDED=y
+# CONFIG_KALLSYMS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_RT_MUTEXES=y
+CONFIG_FUTEX=y
+# CONFIG_EPOLL is not set
+CONFIG_SHMEM=y
+CONFIG_SLAB=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+
+#
+# Block layer
+#
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_PPC_GEN550=y
+# CONFIG_WANT_EARLY_SERIAL is not set
+
+#
+# Platform support
+#
+# CONFIG_MPC834x_SYS is not set
+CONFIG_MPC834x_ITX=y
+CONFIG_MPC834x=y
+
+#
+# Kernel options
+#
+# CONFIG_HIGHMEM is not set
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_PROC_DEVICETREE=y
+# CONFIG_CMDLINE_BOOL is not set
+# CONFIG_PM is not set
+# CONFIG_SOFTWARE_SUSPEND is not set
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
+
+#
+# Bus options
+#
+CONFIG_GENERIC_ISA_DMA=y
+# CONFIG_PPC_I8259 is not set
+CONFIG_PPC_INDIRECT_PCI=y
+CONFIG_FSL_SOC=y
+CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
+# CONFIG_PCIEPORTBUS is not set
+# CONFIG_PCI_DEBUG is not set
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# PCI Hotplug Support
+#
+# CONFIG_HOTPLUG_PCI is not set
+
+#
+# Advanced setup
+#
+# CONFIG_ADVANCED_OPTIONS is not set
+
+#
+# Default settings for advanced configuration options are used
+#
+CONFIG_HIGHMEM_START=0xfe000000
+CONFIG_LOWMEM_SIZE=0x30000000
+CONFIG_KERNEL_START=0xc0000000
+CONFIG_TASK_SIZE=0x80000000
+CONFIG_BOOT_LOAD=0x00800000
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_SYS_HYPERVISOR is not set
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
+# Memory Technology Devices (MTD)
+#
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+# CONFIG_MTD_PARTITIONS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+# CONFIG_MTD_BLOCK is not set
+# CONFIG_MTD_BLOCK_RO is not set
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0xfe000000
+CONFIG_MTD_PHYSMAP_LEN=0x1000000
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+
+#
+# NAND Flash Device Drivers
+#
+# CONFIG_MTD_NAND is not set
+
+#
+# OneNAND Flash Device Drivers
+#
+# CONFIG_MTD_ONENAND is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+
+#
+# Block devices
+#
+# CONFIG_BLK_DEV_FD is not set
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=32768
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+CONFIG_IDE=y
+# CONFIG_BLK_DEV_IDE is not set
+# CONFIG_BLK_DEV_HD_ONLY is not set
+# CONFIG_BLK_DEV_HD is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+CONFIG_CHR_DEV_SG=y
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+
+#
+# SCSI Transport Attributes
+#
+CONFIG_SCSI_SPI_ATTRS=y
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_ATTRS is not set
+
+#
+# SCSI low-level drivers
+#
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_ACARD is not set
+# CONFIG_SCSI_AACRAID is not set
+# CONFIG_SCSI_AIC7XXX is not set
+# CONFIG_SCSI_AIC7XXX_OLD is not set
+# CONFIG_SCSI_AIC79XX is not set
+# CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_MEGARAID_NEWGEN is not set
+# CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
+CONFIG_SCSI_SATA=y
+# CONFIG_SCSI_SATA_AHCI is not set
+# CONFIG_SCSI_SATA_SVW is not set
+# CONFIG_SCSI_ATA_PIIX is not set
+# CONFIG_SCSI_SATA_MV is not set
+# CONFIG_SCSI_SATA_NV is not set
+# CONFIG_SCSI_PDC_ADMA is not set
+# CONFIG_SCSI_HPTIOP is not set
+# CONFIG_SCSI_SATA_QSTOR is not set
+# CONFIG_SCSI_SATA_PROMISE is not set
+# CONFIG_SCSI_SATA_SX4 is not set
+CONFIG_SCSI_SATA_SIL=y
+# CONFIG_SCSI_SATA_SIL24 is not set
+# CONFIG_SCSI_SATA_SIS is not set
+# CONFIG_SCSI_SATA_ULI is not set
+# CONFIG_SCSI_SATA_VIA is not set
+# CONFIG_SCSI_SATA_VITESSE is not set
+# CONFIG_SCSI_BUSLOGIC is not set
+# CONFIG_SCSI_DMX3191D is not set
+# CONFIG_SCSI_EATA is not set
+# CONFIG_SCSI_FUTURE_DOMAIN is not set
+# CONFIG_SCSI_GDTH is not set
+# CONFIG_SCSI_IPS is not set
+# CONFIG_SCSI_INITIO is not set
+# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_SYM53C8XX_2 is not set
+# CONFIG_SCSI_IPR is not set
+# CONFIG_SCSI_QLOGIC_1280 is not set
+# CONFIG_SCSI_QLA_FC is not set
+# CONFIG_SCSI_LPFC is not set
+# CONFIG_SCSI_DC395x is not set
+# CONFIG_SCSI_DC390T is not set
+# CONFIG_SCSI_NSP32 is not set
+# CONFIG_SCSI_DEBUG is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=y
+CONFIG_MD_LINEAR=y
+CONFIG_MD_RAID0=y
+CONFIG_MD_RAID1=y
+# CONFIG_MD_RAID10 is not set
+# CONFIG_MD_RAID456 is not set
+# CONFIG_MD_MULTIPATH is not set
+# CONFIG_MD_FAULTY is not set
+# CONFIG_BLK_DEV_DM is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+# CONFIG_FUSION_SPI is not set
+# CONFIG_FUSION_FC is not set
+# CONFIG_FUSION_SAS is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+# CONFIG_IEEE1394 is not set
+
+#
+# I2O device support
+#
+# CONFIG_I2O is not set
+
+#
+# Macintosh device drivers
+#
+# CONFIG_WINDFARM is not set
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+
+#
+# ARCnet devices
+#
+# CONFIG_ARCNET is not set
+
+#
+# PHY device support
+#
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+CONFIG_CICADA_PHY=y
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+
+#
+# Tulip family network device support
+#
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+CONFIG_NET_PCI=y
+# CONFIG_PCNET32 is not set
+# CONFIG_AMD8111_ETH is not set
+# CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
+# CONFIG_DGRS is not set
+# CONFIG_EEPRO100 is not set
+CONFIG_E100=y
+# CONFIG_FEALNX is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+# CONFIG_8139CP is not set
+# CONFIG_8139TOO is not set
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+# CONFIG_VIA_RHINE is not set
+
+#
+# Ethernet (1000 Mbit)
+#
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+# CONFIG_E1000 is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+# CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
+# CONFIG_SK98LIN is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+CONFIG_GIANFAR=y
+CONFIG_GFAR_NAPI=y
+
+#
+# Ethernet (10000 Mbit)
+#
+# CONFIG_CHELSIO_T1 is not set
+# CONFIG_IXGB is not set
+# CONFIG_S2IO is not set
+# CONFIG_MYRI10GE is not set
+
+#
+# Token Ring devices
+#
+# CONFIG_TR is not set
+
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NET_FC is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Telephony Support
+#
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_PCI=y
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_83xx_WDT=y
+
+#
+# PCI-based Watchdog Cards
+#
+# CONFIG_PCIPCWATCHDOG is not set
+# CONFIG_WDTPCI is not set
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_NVRAM is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_AGP is not set
+# CONFIG_DRM is not set
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
+# I2C support
+#
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+
+#
+# I2C Algorithms
+#
+# CONFIG_I2C_ALGOBIT is not set
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
+CONFIG_I2C_MPC=y
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PROSAVAGE is not set
+# CONFIG_I2C_SAVAGE4 is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+# CONFIG_I2C_VOODOO3 is not set
+# CONFIG_I2C_PCA_ISA is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_M41T00 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+
+#
+# SPI support
+#
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=y
+CONFIG_SPI_MPC83xx=y
+
+#
+# SPI Protocol Masters
+#
+
+#
+# Dallas's 1-wire bus
+#
+
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_ABITUGURU is not set
+# CONFIG_SENSORS_ADM1021 is not set
+# CONFIG_SENSORS_ADM1025 is not set
+# CONFIG_SENSORS_ADM1026 is not set
+# CONFIG_SENSORS_ADM1031 is not set
+# CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ASB100 is not set
+# CONFIG_SENSORS_ATXP1 is not set
+# CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_FSCHER is not set
+# CONFIG_SENSORS_FSCPOS is not set
+# CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_LM75 is not set
+# CONFIG_SENSORS_LM77 is not set
+# CONFIG_SENSORS_LM78 is not set
+# CONFIG_SENSORS_LM80 is not set
+# CONFIG_SENSORS_LM83 is not set
+# CONFIG_SENSORS_LM85 is not set
+# CONFIG_SENSORS_LM87 is not set
+# CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_SIS5595 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47M192 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_VIA686A is not set
+# CONFIG_SENSORS_VT8231 is not set
+# CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83791D is not set
+# CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+# CONFIG_USB_DABUSB is not set
+
+#
+# Graphics support
+#
+CONFIG_FIRMWARE_EDID=y
+# CONFIG_FB is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+
+#
+# USB support
+#
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+# CONFIG_USB_BANDWIDTH is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+CONFIG_USB_EHCI_HCD=y
+# CONFIG_USB_EHCI_SPLIT_ISO is not set
+# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
+# CONFIG_USB_EHCI_TT_NEWSCHED is not set
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+CONFIG_USB_UHCI_HCD=y
+# CONFIG_USB_SL811_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Input Devices
+#
+# CONFIG_USB_HID is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+# CONFIG_USB_AIPTEK is not set
+# CONFIG_USB_WACOM is not set
+# CONFIG_USB_ACECAD is not set
+# CONFIG_USB_KBTAB is not set
+# CONFIG_USB_POWERMATE is not set
+# CONFIG_USB_TOUCHSCREEN is not set
+# CONFIG_USB_YEALINK is not set
+# CONFIG_USB_XPAD is not set
+# CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_ATI_REMOTE2 is not set
+# CONFIG_USB_KEYSPAN_REMOTE is not set
+# CONFIG_USB_APPLETOUCH is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+
+#
+# USB Serial Converter support
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGETKIT is not set
+# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_SISUSBVGA is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
+#
+# USB Gadget Support
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+CONFIG_USB_GADGET_NET2280=y
+CONFIG_USB_NET2280=y
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+# CONFIG_USB_ZERO is not set
+CONFIG_USB_ETH=y
+CONFIG_USB_ETH_RNDIS=y
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
+# InfiniBand support
+#
+# CONFIG_INFINIBAND is not set
+
+#
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+
+#
+# Real Time Clock
+#
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+CONFIG_RTC_INTF_DEV_UIE_EMUL=y
+
+#
+# RTC drivers
+#
+# CONFIG_RTC_DRV_X1205 is not set
+CONFIG_RTC_DRV_DS1307=y
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_TEST is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# DMA Engine support
+#
+CONFIG_DMA_ENGINE=y
+
+#
+# DMA Clients
+#
+CONFIG_NET_DMA=y
+
+#
+# DMA Devices
+#
+CONFIG_INTEL_IOATDMA=y
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+CONFIG_NFS_V4=y
+# CONFIG_NFS_DIRECTIO is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_CIFS_DEBUG2 is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+# CONFIG_MSDOS_PARTITION is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+
+#
+# Native Language Support
+#
+# CONFIG_NLS is not set
+
+#
+# Library routines
+#
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_PLIST=y
+
+#
+# Instrumentation Support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+CONFIG_PRINTK_TIME=y
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_KERNEL=y
+CONFIG_LOG_BUF_SHIFT=17
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_VM is not set
+CONFIG_FORCED_INLINING=y
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_DEBUGGER is not set
+# CONFIG_BDI_SWITCH is not set
+CONFIG_BOOTX_TEXT=y
+CONFIG_SERIAL_TEXT_DEBUG=y
+# CONFIG_PPC_EARLY_DEBUG is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+CONFIG_CRYPTO=y
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Hardware crypto devices
+#
diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index a6920919d68e..f4e5e14ee2b6 100644
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -111,7 +111,7 @@ void __init btext_setup_display(int width, int height, int depth, int pitch,
         logicalDisplayBase = (unsigned char *)address;
         dispDeviceBase = (unsigned char *)address;
         dispDeviceRowBytes = pitch;
-        dispDeviceDepth = depth;
+        dispDeviceDepth = depth == 15 ? 16 : depth;
         dispDeviceRect[0] = dispDeviceRect[1] = 0;
         dispDeviceRect[2] = width;
         dispDeviceRect[3] = height;
@@ -160,20 +160,28 @@ int btext_initialize(struct device_node *np)
         unsigned long address = 0;
         u32 *prop;
 
-        prop = (u32 *)get_property(np, "width", NULL);
+        prop = (u32 *)get_property(np, "linux,bootx-width", NULL);
+        if (prop == NULL)
+                prop = (u32 *)get_property(np, "width", NULL);
         if (prop == NULL)
                 return -EINVAL;
         width = *prop;
-        prop = (u32 *)get_property(np, "height", NULL);
+        prop = (u32 *)get_property(np, "linux,bootx-height", NULL);
+        if (prop == NULL)
+                prop = (u32 *)get_property(np, "height", NULL);
         if (prop == NULL)
                 return -EINVAL;
         height = *prop;
-        prop = (u32 *)get_property(np, "depth", NULL);
+        prop = (u32 *)get_property(np, "linux,bootx-depth", NULL);
+        if (prop == NULL)
+                prop = (u32 *)get_property(np, "depth", NULL);
         if (prop == NULL)
                 return -EINVAL;
         depth = *prop;
         pitch = width * ((depth + 7) / 8);
-        prop = (u32 *)get_property(np, "linebytes", NULL);
+        prop = (u32 *)get_property(np, "linux,bootx-linebytes", NULL);
+        if (prop == NULL)
+                prop = (u32 *)get_property(np, "linebytes", NULL);
         if (prop)
                 pitch = *prop;
         if (pitch == 1)
@@ -194,7 +202,7 @@ int btext_initialize(struct device_node *np)
         g_max_loc_Y = height / 16;
         dispDeviceBase = (unsigned char *)address;
         dispDeviceRowBytes = pitch;
-        dispDeviceDepth = depth;
+        dispDeviceDepth = depth == 15 ? 16 : depth;
         dispDeviceRect[0] = dispDeviceRect[1] = 0;
         dispDeviceRect[2] = width;
         dispDeviceRect[3] = height;
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index e47d40ac6f39..97ddc02a3d42 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -323,13 +323,11 @@ int ibmebus_request_irq(struct ibmebus_dev *dev,
                         unsigned long irq_flags, const char * devname,
                         void *dev_id)
 {
-        unsigned int irq = virt_irq_create_mapping(ist);
+        unsigned int irq = irq_create_mapping(NULL, ist, 0);
         
         if (irq == NO_IRQ)
                 return -EINVAL;
         
-        irq = irq_offset_up(irq);
-        
         return request_irq(irq, handler,
                            irq_flags, devname, dev_id);
 }
@@ -337,12 +335,9 @@ EXPORT_SYMBOL(ibmebus_request_irq);
 
 void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id)
 {
-        unsigned int irq = virt_irq_create_mapping(ist);
+        unsigned int irq = irq_find_mapping(NULL, ist);
         
-        irq = irq_offset_up(irq);
         free_irq(irq, dev_id);
-        
-        return;
 }
 EXPORT_SYMBOL(ibmebus_free_irq);
 
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 525baab45d2d..8cf987809c66 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -29,6 +29,8 @@
  * to reduce code space and undefined function references.
  */
 
+#undef DEBUG
+
 #include <linux/module.h>
 #include <linux/threads.h>
 #include <linux/kernel_stat.h>
@@ -46,7 +48,10 @@
 #include <linux/cpumask.h>
 #include <linux/profile.h>
 #include <linux/bitops.h>
-#include <linux/pci.h>
+#include <linux/list.h>
+#include <linux/radix-tree.h>
+#include <linux/mutex.h>
+#include <linux/bootmem.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -57,39 +62,38 @@
 #include <asm/prom.h>
 #include <asm/ptrace.h>
 #include <asm/machdep.h>
+#include <asm/udbg.h>
 #ifdef CONFIG_PPC_ISERIES
 #include <asm/paca.h>
 #endif
 
 int __irq_offset_value;
-#ifdef CONFIG_PPC32
-EXPORT_SYMBOL(__irq_offset_value);
-#endif
-
 static int ppc_spurious_interrupts;
 
 #ifdef CONFIG_PPC32
-#define NR_MASK_WORDS   ((NR_IRQS + 31) / 32)
+EXPORT_SYMBOL(__irq_offset_value);
+atomic_t ppc_n_lost_interrupts;
 
+#ifndef CONFIG_PPC_MERGE
+#define NR_MASK_WORDS   ((NR_IRQS + 31) / 32)
 unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
-atomic_t ppc_n_lost_interrupts;
+#endif
 
 #ifdef CONFIG_TAU_INT
 extern int tau_initialized;
 extern int tau_interrupts(int);
 #endif
+#endif /* CONFIG_PPC32 */
 
 #if defined(CONFIG_SMP) && !defined(CONFIG_PPC_MERGE)
 extern atomic_t ipi_recv;
 extern atomic_t ipi_sent;
 #endif
-#endif /* CONFIG_PPC32 */
 
 #ifdef CONFIG_PPC64
 EXPORT_SYMBOL(irq_desc);
 
 int distribute_irqs = 1;
-u64 ppc64_interrupt_controller;
 #endif /* CONFIG_PPC64 */
 
 int show_interrupts(struct seq_file *p, void *v)
@@ -182,7 +186,7 @@ void fixup_irqs(cpumask_t map)
 
 void do_IRQ(struct pt_regs *regs)
 {
-        int irq;
+        unsigned int irq;
 #ifdef CONFIG_IRQSTACKS
         struct thread_info *curtp, *irqtp;
 #endif
@@ -213,22 +217,26 @@ void do_IRQ(struct pt_regs *regs)
          */
         irq = ppc_md.get_irq(regs);
 
-        if (irq >= 0) {
+        if (irq != NO_IRQ && irq != NO_IRQ_IGNORE) {
 #ifdef CONFIG_IRQSTACKS
                 /* Switch to the irq stack to handle this */
                 curtp = current_thread_info();
                 irqtp = hardirq_ctx[smp_processor_id()];
                 if (curtp != irqtp) {
+                        struct irq_desc *desc = irq_desc + irq;
+                        void *handler = desc->handle_irq;
+                        if (handler == NULL)
+                                handler = &__do_IRQ;
                         irqtp->task = curtp->task;
                         irqtp->flags = 0;
-                        call___do_IRQ(irq, regs, irqtp);
+                        call_handle_irq(irq, desc, regs, irqtp, handler);
                         irqtp->task = NULL;
                         if (irqtp->flags)
                                 set_bits(irqtp->flags, &curtp->flags);
                 } else
 #endif
-                        __do_IRQ(irq, regs);
-        } else if (irq != -2)
+                        generic_handle_irq(irq, regs);
+        } else if (irq != NO_IRQ_IGNORE)
                 /* That's not SMP safe ... but who cares ? */
                 ppc_spurious_interrupts++;
 
@@ -245,196 +253,562 @@ void do_IRQ(struct pt_regs *regs)
 
 void __init init_IRQ(void)
 {
+        ppc_md.init_IRQ();
 #ifdef CONFIG_PPC64
-        static int once = 0;
+        irq_ctx_init();
+#endif
+}
+
+
+#ifdef CONFIG_IRQSTACKS
+struct thread_info *softirq_ctx[NR_CPUS] __read_mostly;
+struct thread_info *hardirq_ctx[NR_CPUS] __read_mostly;
+
+void irq_ctx_init(void)
+{
+        struct thread_info *tp;
+        int i;
+
+        for_each_possible_cpu(i) {
+                memset((void *)softirq_ctx[i], 0, THREAD_SIZE);
+                tp = softirq_ctx[i];
+                tp->cpu = i;
+                tp->preempt_count = SOFTIRQ_OFFSET;
+
+                memset((void *)hardirq_ctx[i], 0, THREAD_SIZE);
+                tp = hardirq_ctx[i];
+                tp->cpu = i;
+                tp->preempt_count = HARDIRQ_OFFSET;
+        }
+}
+
+static inline void do_softirq_onstack(void)
+{
+        struct thread_info *curtp, *irqtp;
+
+        curtp = current_thread_info();
+        irqtp = softirq_ctx[smp_processor_id()];
+        irqtp->task = curtp->task;
+        call_do_softirq(irqtp);
+        irqtp->task = NULL;
+}
 
-        if (once)
+#else
+#define do_softirq_onstack()    __do_softirq()
+#endif /* CONFIG_IRQSTACKS */
+
+void do_softirq(void)
+{
+        unsigned long flags;
+
+        if (in_interrupt())
                 return;
 
-        once++;
+        local_irq_save(flags);
 
-#endif
-        ppc_md.init_IRQ();
-#ifdef CONFIG_PPC64
-        irq_ctx_init();
-#endif
+        if (local_softirq_pending())
+                do_softirq_onstack();
+
+        local_irq_restore(flags);
 }
+EXPORT_SYMBOL(do_softirq);
+
 
-#ifdef CONFIG_PPC64
 /*
- * Virtual IRQ mapping code, used on systems with XICS interrupt controllers.
+ * IRQ controller and virtual interrupts
  */
 
-#define UNDEFINED_IRQ 0xffffffff
-unsigned int virt_irq_to_real_map[NR_IRQS];
+#ifdef CONFIG_PPC_MERGE
 
-/*
- * Don't use virtual irqs 0, 1, 2 for devices.
- * The pcnet32 driver considers interrupt numbers < 2 to be invalid,
- * and 2 is the XICS IPI interrupt.
- * We limit virtual irqs to __irq_offet_value less than virt_irq_max so
- * that when we offset them we don't end up with an interrupt
- * number >= virt_irq_max.
- */
-#define MIN_VIRT_IRQ    3
+static LIST_HEAD(irq_hosts);
+static spinlock_t irq_big_lock = SPIN_LOCK_UNLOCKED;
 
-unsigned int virt_irq_max;
-static unsigned int max_virt_irq;
-static unsigned int nr_virt_irqs;
+struct irq_map_entry irq_map[NR_IRQS];
+static unsigned int irq_virq_count = NR_IRQS;
+static struct irq_host *irq_default_host;
 
-void
-virt_irq_init(void)
+struct irq_host *irq_alloc_host(unsigned int revmap_type,
+                                unsigned int revmap_arg,
+                                struct irq_host_ops *ops,
+                                irq_hw_number_t inval_irq)
 {
-        int i;
+        struct irq_host *host;
+        unsigned int size = sizeof(struct irq_host);
+        unsigned int i;
+        unsigned int *rmap;
+        unsigned long flags;
 
-        if ((virt_irq_max == 0) || (virt_irq_max > (NR_IRQS - 1)))
-                virt_irq_max = NR_IRQS - 1;
-        max_virt_irq = virt_irq_max - __irq_offset_value;
-        nr_virt_irqs = max_virt_irq - MIN_VIRT_IRQ + 1;
+        /* Allocate structure and revmap table if using linear mapping */
+        if (revmap_type == IRQ_HOST_MAP_LINEAR)
+                size += revmap_arg * sizeof(unsigned int);
+        if (mem_init_done)
+                host = kzalloc(size, GFP_KERNEL);
+        else {
+                host = alloc_bootmem(size);
+                if (host)
+                        memset(host, 0, size);
+        }
+        if (host == NULL)
+                return NULL;
 
-        for (i = 0; i < NR_IRQS; i++)
-                virt_irq_to_real_map[i] = UNDEFINED_IRQ;
+        /* Fill structure */
+        host->revmap_type = revmap_type;
+        host->inval_irq = inval_irq;
+        host->ops = ops;
+
+        spin_lock_irqsave(&irq_big_lock, flags);
+
+        /* If it's a legacy controller, check for duplicates and
+         * mark it as allocated (we use irq 0 host pointer for that
+         */
+        if (revmap_type == IRQ_HOST_MAP_LEGACY) {
+                if (irq_map[0].host != NULL) {
+                        spin_unlock_irqrestore(&irq_big_lock, flags);
+                        /* If we are early boot, we can't free the structure,
+                         * too bad...
+                         * this will be fixed once slab is made available early
+                         * instead of the current cruft
+                         */
+                        if (mem_init_done)
+                                kfree(host);
+                        return NULL;
+                }
+                irq_map[0].host = host;
+        }
+
+        list_add(&host->link, &irq_hosts);
+        spin_unlock_irqrestore(&irq_big_lock, flags);
+
+        /* Additional setups per revmap type */
+        switch(revmap_type) {
+        case IRQ_HOST_MAP_LEGACY:
+                /* 0 is always the invalid number for legacy */
+                host->inval_irq = 0;
+                /* setup us as the host for all legacy interrupts */
+                for (i = 1; i < NUM_ISA_INTERRUPTS; i++) {
+                        irq_map[i].hwirq = 0;
+                        smp_wmb();
+                        irq_map[i].host = host;
+                        smp_wmb();
+
+                        /* Clear some flags */
+                        get_irq_desc(i)->status
+                                &= ~(IRQ_NOREQUEST | IRQ_LEVEL);
+
+                        /* Legacy flags are left to default at this point,
+                         * one can then use irq_create_mapping() to
+                         * explicitely change them
+                         */
+                        ops->map(host, i, i, 0);
+                }
+                break;
+        case IRQ_HOST_MAP_LINEAR:
+                rmap = (unsigned int *)(host + 1);
+                for (i = 0; i < revmap_arg; i++)
+                        rmap[i] = IRQ_NONE;
+                host->revmap_data.linear.size = revmap_arg;
+                smp_wmb();
+                host->revmap_data.linear.revmap = rmap;
+                break;
+        default:
+                break;
+        }
+
+        pr_debug("irq: Allocated host of type %d @0x%p\n", revmap_type, host);
+
+        return host;
 }
 
-/* Create a mapping for a real_irq if it doesn't already exist.
- * Return the virtual irq as a convenience.
- */
-int virt_irq_create_mapping(unsigned int real_irq)
+struct irq_host *irq_find_host(struct device_node *node)
 {
-        unsigned int virq, first_virq;
-        static int warned;
+        struct irq_host *h, *found = NULL;
+        unsigned long flags;
+
+        /* We might want to match the legacy controller last since
+         * it might potentially be set to match all interrupts in
+         * the absence of a device node. This isn't a problem so far
+         * yet though...
+         */
+        spin_lock_irqsave(&irq_big_lock, flags);
+        list_for_each_entry(h, &irq_hosts, link)
+                if (h->ops->match == NULL || h->ops->match(h, node)) {
+                        found = h;
+                        break;
+                }
+        spin_unlock_irqrestore(&irq_big_lock, flags);
+        return found;
+}
+EXPORT_SYMBOL_GPL(irq_find_host);
+
+void irq_set_default_host(struct irq_host *host)
+{
+        pr_debug("irq: Default host set to @0x%p\n", host);
+
+        irq_default_host = host;
+}
 
-        if (ppc64_interrupt_controller == IC_OPEN_PIC)
-                return real_irq;        /* no mapping for openpic (for now) */
+void irq_set_virq_count(unsigned int count)
+{
+        pr_debug("irq: Trying to set virq count to %d\n", count);
 
-        if (ppc64_interrupt_controller == IC_CELL_PIC)
-                return real_irq;        /* no mapping for iic either */
+        BUG_ON(count < NUM_ISA_INTERRUPTS);
+        if (count < NR_IRQS)
+                irq_virq_count = count;
+}
 
-        /* don't map interrupts < MIN_VIRT_IRQ */
-        if (real_irq < MIN_VIRT_IRQ) {
-                virt_irq_to_real_map[real_irq] = real_irq;
-                return real_irq;
+unsigned int irq_create_mapping(struct irq_host *host,
+                                irq_hw_number_t hwirq,
+                                unsigned int flags)
+{
+        unsigned int virq, hint;
+
+        pr_debug("irq: irq_create_mapping(0x%p, 0x%lx, 0x%x)\n",
+                 host, hwirq, flags);
+
+        /* Look for default host if nececssary */
+        if (host == NULL)
+                host = irq_default_host;
+        if (host == NULL) {
+                printk(KERN_WARNING "irq_create_mapping called for"
+                       " NULL host, hwirq=%lx\n", hwirq);
+                WARN_ON(1);
+                return NO_IRQ;
         }
+        pr_debug("irq: -> using host @%p\n", host);
 
-        /* map to a number between MIN_VIRT_IRQ and max_virt_irq */
-        virq = real_irq;
-        if (virq > max_virt_irq)
-                virq = (virq % nr_virt_irqs) + MIN_VIRT_IRQ;
-
-        /* search for this number or a free slot */
-        first_virq = virq;
-        while (virt_irq_to_real_map[virq] != UNDEFINED_IRQ) {
-                if (virt_irq_to_real_map[virq] == real_irq)
-                        return virq;
-                if (++virq > max_virt_irq)
-                        virq = MIN_VIRT_IRQ;
-                if (virq == first_virq)
-                        goto nospace;   /* oops, no free slots */
+        /* Check if mapping already exist, if it does, call
+         * host->ops->map() to update the flags
+         */
+        virq = irq_find_mapping(host, hwirq);
+        if (virq != IRQ_NONE) {
+                pr_debug("irq: -> existing mapping on virq %d\n", virq);
+                host->ops->map(host, virq, hwirq, flags);
+                return virq;
+        }
+
+        /* Get a virtual interrupt number */
+        if (host->revmap_type == IRQ_HOST_MAP_LEGACY) {
+                /* Handle legacy */
+                virq = (unsigned int)hwirq;
+                if (virq == 0 || virq >= NUM_ISA_INTERRUPTS)
+                        return NO_IRQ;
+                return virq;
+        } else {
+                /* Allocate a virtual interrupt number */
+                hint = hwirq % irq_virq_count;
+                virq = irq_alloc_virt(host, 1, hint);
+                if (virq == NO_IRQ) {
+                        pr_debug("irq: -> virq allocation failed\n");
+                        return NO_IRQ;
+                }
         }
+        pr_debug("irq: -> obtained virq %d\n", virq);
 
-        virt_irq_to_real_map[virq] = real_irq;
+        /* Clear some flags */
+        get_irq_desc(virq)->status &= ~(IRQ_NOREQUEST | IRQ_LEVEL);
+
+        /* map it */
+        if (host->ops->map(host, virq, hwirq, flags)) {
+                pr_debug("irq: -> mapping failed, freeing\n");
+                irq_free_virt(virq, 1);
+                return NO_IRQ;
+        }
+        smp_wmb();
+        irq_map[virq].hwirq = hwirq;
+        smp_mb();
         return virq;
+}
+EXPORT_SYMBOL_GPL(irq_create_mapping);
 
- nospace:
-        if (!warned) {
-                printk(KERN_CRIT "Interrupt table is full\n");
-                printk(KERN_CRIT "Increase virt_irq_max (currently %d) "
-                       "in your kernel sources and rebuild.\n", virt_irq_max);
-                warned = 1;
+extern unsigned int irq_create_of_mapping(struct device_node *controller,
+                                          u32 *intspec, unsigned int intsize)
+{
+        struct irq_host *host;
+        irq_hw_number_t hwirq;
+        unsigned int flags = IRQ_TYPE_NONE;
+
+        if (controller == NULL)
+                host = irq_default_host;
+        else
+                host = irq_find_host(controller);
+        if (host == NULL)
+                return NO_IRQ;
+
+        /* If host has no translation, then we assume interrupt line */
+        if (host->ops->xlate == NULL)
+                hwirq = intspec[0];
+        else {
+                if (host->ops->xlate(host, controller, intspec, intsize,
+                                     &hwirq, &flags))
+                        return NO_IRQ;
         }
-        return NO_IRQ;
+
+        return irq_create_mapping(host, hwirq, flags);
 }
+EXPORT_SYMBOL_GPL(irq_create_of_mapping);
 
-/*
- * In most cases will get a hit on the very first slot checked in the
- * virt_irq_to_real_map.  Only when there are a large number of
- * IRQs will this be expensive.
- */
-unsigned int real_irq_to_virt_slowpath(unsigned int real_irq)
+unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
 {
-        unsigned int virq;
-        unsigned int first_virq;
+        struct of_irq oirq;
 
-        virq = real_irq;
+        if (of_irq_map_one(dev, index, &oirq))
+                return NO_IRQ;
 
-        if (virq > max_virt_irq)
-                virq = (virq % nr_virt_irqs) + MIN_VIRT_IRQ;
+        return irq_create_of_mapping(oirq.controller, oirq.specifier,
+                                     oirq.size);
+}
+EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
 
-        first_virq = virq;
+void irq_dispose_mapping(unsigned int virq)
+{
+        struct irq_host *host = irq_map[virq].host;
+        irq_hw_number_t hwirq;
+        unsigned long flags;
 
-        do {
-                if (virt_irq_to_real_map[virq] == real_irq)
-                        return virq;
+        WARN_ON (host == NULL);
+        if (host == NULL)
+                return;
 
-                virq++;
+        /* Never unmap legacy interrupts */
+        if (host->revmap_type == IRQ_HOST_MAP_LEGACY)
+                return;
 
-                if (virq >= max_virt_irq)
-                        virq = 0;
+        /* remove chip and handler */
+        set_irq_chip_and_handler(virq, NULL, NULL);
+
+        /* Make sure it's completed */
+        synchronize_irq(virq);
+
+        /* Tell the PIC about it */
+        if (host->ops->unmap)
+                host->ops->unmap(host, virq);
+        smp_mb();
+
+        /* Clear reverse map */
+        hwirq = irq_map[virq].hwirq;
+        switch(host->revmap_type) {
+        case IRQ_HOST_MAP_LINEAR:
+                if (hwirq < host->revmap_data.linear.size)
+                        host->revmap_data.linear.revmap[hwirq] = IRQ_NONE;
+                break;
+        case IRQ_HOST_MAP_TREE:
+                /* Check if radix tree allocated yet */
+                if (host->revmap_data.tree.gfp_mask == 0)
+                        break;
+                /* XXX radix tree not safe ! remove lock whem it becomes safe
+                 * and use some RCU sync to make sure everything is ok before we
+                 * can re-use that map entry
+                 */
+                spin_lock_irqsave(&irq_big_lock, flags);
+                radix_tree_delete(&host->revmap_data.tree, hwirq);
+                spin_unlock_irqrestore(&irq_big_lock, flags);
+                break;
+        }
 
-        } while (first_virq != virq);
+        /* Destroy map */
+        smp_mb();
+        irq_map[virq].hwirq = host->inval_irq;
 
-        return NO_IRQ;
+        /* Set some flags */
+        get_irq_desc(virq)->status |= IRQ_NOREQUEST;
 
+        /* Free it */
+        irq_free_virt(virq, 1);
 }
-#endif /* CONFIG_PPC64 */
+EXPORT_SYMBOL_GPL(irq_dispose_mapping);
 
-#ifdef CONFIG_IRQSTACKS
-struct thread_info *softirq_ctx[NR_CPUS] __read_mostly;
-struct thread_info *hardirq_ctx[NR_CPUS] __read_mostly;
+unsigned int irq_find_mapping(struct irq_host *host,
+                              irq_hw_number_t hwirq)
+{
+        unsigned int i;
+        unsigned int hint = hwirq % irq_virq_count;
+
+        /* Look for default host if nececssary */
+        if (host == NULL)
+                host = irq_default_host;
+        if (host == NULL)
+                return NO_IRQ;
+
+        /* legacy -> bail early */
+        if (host->revmap_type == IRQ_HOST_MAP_LEGACY)
+                return hwirq;
+
+        /* Slow path does a linear search of the map */
+        if (hint < NUM_ISA_INTERRUPTS)
+                hint = NUM_ISA_INTERRUPTS;
+        i = hint;
+        do  {
+                if (irq_map[i].host == host &&
+                    irq_map[i].hwirq == hwirq)
+                        return i;
+                i++;
+                if (i >= irq_virq_count)
+                        i = NUM_ISA_INTERRUPTS;
+        } while(i != hint);
+        return NO_IRQ;
+}
+EXPORT_SYMBOL_GPL(irq_find_mapping);
 
-void irq_ctx_init(void)
+
+unsigned int irq_radix_revmap(struct irq_host *host,
+                              irq_hw_number_t hwirq)
 {
-        struct thread_info *tp;
-        int i;
+        struct radix_tree_root *tree;
+        struct irq_map_entry *ptr;
+        unsigned int virq;
+        unsigned long flags;
 
-        for_each_possible_cpu(i) {
-                memset((void *)softirq_ctx[i], 0, THREAD_SIZE);
-                tp = softirq_ctx[i];
-                tp->cpu = i;
-                tp->preempt_count = SOFTIRQ_OFFSET;
+        WARN_ON(host->revmap_type != IRQ_HOST_MAP_TREE);
 
-                memset((void *)hardirq_ctx[i], 0, THREAD_SIZE);
-                tp = hardirq_ctx[i];
-                tp->cpu = i;
-                tp->preempt_count = HARDIRQ_OFFSET;
+        /* Check if the radix tree exist yet. We test the value of
+         * the gfp_mask for that. Sneaky but saves another int in the
+         * structure. If not, we fallback to slow mode
+         */
+        tree = &host->revmap_data.tree;
+        if (tree->gfp_mask == 0)
+                return irq_find_mapping(host, hwirq);
+
+        /* XXX Current radix trees are NOT SMP safe !!! Remove that lock
+         * when that is fixed (when Nick's patch gets in
+         */
+        spin_lock_irqsave(&irq_big_lock, flags);
+
+        /* Now try to resolve */
+        ptr = radix_tree_lookup(tree, hwirq);
+        /* Found it, return */
+        if (ptr) {
+                virq = ptr - irq_map;
+                goto bail;
         }
+
+        /* If not there, try to insert it */
+        virq = irq_find_mapping(host, hwirq);
+        if (virq != NO_IRQ)
+                radix_tree_insert(tree, virq, &irq_map[virq]);
+ bail:
+        spin_unlock_irqrestore(&irq_big_lock, flags);
+        return virq;
 }
 
-static inline void do_softirq_onstack(void)
+unsigned int irq_linear_revmap(struct irq_host *host,
+                               irq_hw_number_t hwirq)
 {
-        struct thread_info *curtp, *irqtp;
+        unsigned int *revmap;
 
-        curtp = current_thread_info();
-        irqtp = softirq_ctx[smp_processor_id()];
-        irqtp->task = curtp->task;
-        call_do_softirq(irqtp);
-        irqtp->task = NULL;
+        WARN_ON(host->revmap_type != IRQ_HOST_MAP_LINEAR);
+
+        /* Check revmap bounds */
+        if (unlikely(hwirq >= host->revmap_data.linear.size))
+                return irq_find_mapping(host, hwirq);
+
+        /* Check if revmap was allocated */
+        revmap = host->revmap_data.linear.revmap;
+        if (unlikely(revmap == NULL))
+                return irq_find_mapping(host, hwirq);
+
+        /* Fill up revmap with slow path if no mapping found */
+        if (unlikely(revmap[hwirq] == NO_IRQ))
+                revmap[hwirq] = irq_find_mapping(host, hwirq);
+
+        return revmap[hwirq];
 }
 
-#else
-#define do_softirq_onstack()    __do_softirq()
-#endif /* CONFIG_IRQSTACKS */
+unsigned int irq_alloc_virt(struct irq_host *host,
+                            unsigned int count,
+                            unsigned int hint)
+{
+        unsigned long flags;
+        unsigned int i, j, found = NO_IRQ;
+        unsigned int limit = irq_virq_count - count;
 
-void do_softirq(void)
+        if (count == 0 || count > (irq_virq_count - NUM_ISA_INTERRUPTS))
+                return NO_IRQ;
+
+        spin_lock_irqsave(&irq_big_lock, flags);
+
+        /* Use hint for 1 interrupt if any */
+        if (count == 1 && hint >= NUM_ISA_INTERRUPTS &&
+            hint < irq_virq_count && irq_map[hint].host == NULL) {
+                found = hint;
+                goto hint_found;
+        }
+
+        /* Look for count consecutive numbers in the allocatable
+         * (non-legacy) space
+         */
+        for (i = NUM_ISA_INTERRUPTS; i <= limit; ) {
+                for (j = i; j < (i + count); j++)
+                        if (irq_map[j].host != NULL) {
+                                i = j + 1;
+                                continue;
+                        }
+                found = i;
+                break;
+        }
+        if (found == NO_IRQ) {
+                spin_unlock_irqrestore(&irq_big_lock, flags);
+                return NO_IRQ;
+        }
+ hint_found:
+        for (i = found; i < (found + count); i++) {
+                irq_map[i].hwirq = host->inval_irq;
+                smp_wmb();
+                irq_map[i].host = host;
+        }
+        spin_unlock_irqrestore(&irq_big_lock, flags);
+        return found;
+}
+
+void irq_free_virt(unsigned int virq, unsigned int count)
 {
         unsigned long flags;
+        unsigned int i;
 
-        if (in_interrupt())
-                return;
+        WARN_ON (virq < NUM_ISA_INTERRUPTS);
+        WARN_ON (count == 0 || (virq + count) > irq_virq_count);
 
-        local_irq_save(flags);
+        spin_lock_irqsave(&irq_big_lock, flags);
+        for (i = virq; i < (virq + count); i++) {
+                struct irq_host *host;
 
-        if (local_softirq_pending()) {
-                account_system_vtime(current);
-                local_bh_disable();
-                do_softirq_onstack();
-                account_system_vtime(current);
-                __local_bh_enable();
+                if (i < NUM_ISA_INTERRUPTS ||
+                    (virq + count) > irq_virq_count)
+                        continue;
+
+                host = irq_map[i].host;
+                irq_map[i].hwirq = host->inval_irq;
+                smp_wmb();
+                irq_map[i].host = NULL;
         }
+        spin_unlock_irqrestore(&irq_big_lock, flags);
+}
 
-        local_irq_restore(flags);
+void irq_early_init(void)
+{
+        unsigned int i;
+
+        for (i = 0; i < NR_IRQS; i++)
+                get_irq_desc(i)->status |= IRQ_NOREQUEST;
 }
-EXPORT_SYMBOL(do_softirq);
+
+/* We need to create the radix trees late */
+static int irq_late_init(void)
+{
+        struct irq_host *h;
+        unsigned long flags;
+
+        spin_lock_irqsave(&irq_big_lock, flags);
+        list_for_each_entry(h, &irq_hosts, link) {
+                if (h->revmap_type == IRQ_HOST_MAP_TREE)
+                        INIT_RADIX_TREE(&h->revmap_data.tree, GFP_ATOMIC);
+        }
+        spin_unlock_irqrestore(&irq_big_lock, flags);
+
+        return 0;
+}
+arch_initcall(irq_late_init);
+
+#endif /* CONFIG_PPC_MERGE */
 
 #ifdef CONFIG_PCI_MSI
 int pci_enable_msi(struct pci_dev * pdev)
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 4cf0b971976b..7e98e778b52f 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -28,6 +28,7 @@ static struct legacy_serial_info {
         struct device_node              *np;
         unsigned int                    speed;
         unsigned int                    clock;
+        int                             irq_check_parent;
         phys_addr_t                     taddr;
 } legacy_serial_infos[MAX_LEGACY_SERIAL_PORTS];
 static unsigned int legacy_serial_count;
@@ -36,7 +37,7 @@ static int legacy_serial_console = -1;
 static int __init add_legacy_port(struct device_node *np, int want_index,
                                   int iotype, phys_addr_t base,
                                   phys_addr_t taddr, unsigned long irq,
-                                  upf_t flags)
+                                  upf_t flags, int irq_check_parent)
 {
         u32 *clk, *spd, clock = BASE_BAUD * 16;
         int index;
@@ -68,7 +69,7 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
         if (legacy_serial_infos[index].np != 0) {
                 /* if we still have some room, move it, else override */
                 if (legacy_serial_count < MAX_LEGACY_SERIAL_PORTS) {
-                        printk(KERN_INFO "Moved legacy port %d -> %d\n",
+                        printk(KERN_DEBUG "Moved legacy port %d -> %d\n",
                                index, legacy_serial_count);
                         legacy_serial_ports[legacy_serial_count] =
                                 legacy_serial_ports[index];
@@ -76,7 +77,7 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
                                 legacy_serial_infos[index];
                         legacy_serial_count++;
                 } else {
-                        printk(KERN_INFO "Replacing legacy port %d\n", index);
+                        printk(KERN_DEBUG "Replacing legacy port %d\n", index);
                 }
         }
 
@@ -95,10 +96,11 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
         legacy_serial_infos[index].np = of_node_get(np);
         legacy_serial_infos[index].clock = clock;
         legacy_serial_infos[index].speed = spd ? *spd : 0;
+        legacy_serial_infos[index].irq_check_parent = irq_check_parent;
 
-        printk(KERN_INFO "Found legacy serial port %d for %s\n",
+        printk(KERN_DEBUG "Found legacy serial port %d for %s\n",
                index, np->full_name);
-        printk(KERN_INFO "  %s=%llx, taddr=%llx, irq=%lx, clk=%d, speed=%d\n",
+        printk(KERN_DEBUG "  %s=%llx, taddr=%llx, irq=%lx, clk=%d, speed=%d\n",
                (iotype == UPIO_PORT) ? "port" : "mem",
                (unsigned long long)base, (unsigned long long)taddr, irq,
                legacy_serial_ports[index].uartclk,
@@ -126,11 +128,13 @@ static int __init add_legacy_soc_port(struct device_node *np,
                 return -1;
 
         addr = of_translate_address(soc_dev, addrp);
+        if (addr == OF_BAD_ADDR)
+                return -1;
 
         /* Add port, irq will be dealt with later. We passed a translated
          * IO port value. It will be fixed up later along with the irq
          */
-        return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags);
+        return add_legacy_port(np, -1, UPIO_MEM, addr, addr, NO_IRQ, flags, 0);
 }
 
 static int __init add_legacy_isa_port(struct device_node *np,
@@ -141,6 +145,8 @@ static int __init add_legacy_isa_port(struct device_node *np,
         int index = -1;
         phys_addr_t taddr;
 
+        DBG(" -> add_legacy_isa_port(%s)\n", np->full_name);
+
         /* Get the ISA port number */
         reg = (u32 *)get_property(np, "reg", NULL);
         if (reg == NULL)
@@ -161,9 +167,12 @@ static int __init add_legacy_isa_port(struct device_node *np,
 
         /* Translate ISA address */
         taddr = of_translate_address(np, reg);
+        if (taddr == OF_BAD_ADDR)
+                return -1;
 
         /* Add port, irq will be dealt with later */
-        return add_legacy_port(np, index, UPIO_PORT, reg[1], taddr, NO_IRQ, UPF_BOOT_AUTOCONF);
+        return add_legacy_port(np, index, UPIO_PORT, reg[1], taddr,
+                               NO_IRQ, UPF_BOOT_AUTOCONF, 0);
 
 }
 
@@ -176,6 +185,8 @@ static int __init add_legacy_pci_port(struct device_node *np,
         unsigned int flags;
         int iotype, index = -1, lindex = 0;
 
+        DBG(" -> add_legacy_pci_port(%s)\n", np->full_name);
+
         /* We only support ports that have a clock frequency properly
          * encoded in the device-tree (that is have an fcode). Anything
          * else can't be used that early and will be normally probed by
@@ -194,6 +205,8 @@ static int __init add_legacy_pci_port(struct device_node *np,
         /* We only support BAR 0 for now */
         iotype = (flags & IORESOURCE_MEM) ? UPIO_MEM : UPIO_PORT;
         addr = of_translate_address(pci_dev, addrp);
+        if (addr == OF_BAD_ADDR)
+                return -1;
 
         /* Set the IO base to the same as the translated address for MMIO,
          * or to the domain local IO base for PIO (it will be fixed up later)
@@ -231,7 +244,8 @@ static int __init add_legacy_pci_port(struct device_node *np,
         /* Add port, irq will be dealt with later. We passed a translated
          * IO port value. It will be fixed up later along with the irq
          */
-        return add_legacy_port(np, index, iotype, base, addr, NO_IRQ, UPF_BOOT_AUTOCONF);
+        return add_legacy_port(np, index, iotype, base, addr, NO_IRQ,
+                               UPF_BOOT_AUTOCONF, np != pci_dev);
 }
 #endif
 
@@ -362,27 +376,22 @@ static void __init fixup_port_irq(int index,
                                   struct device_node *np,
                                   struct plat_serial8250_port *port)
 {
+        unsigned int virq;
+
         DBG("fixup_port_irq(%d)\n", index);
 
-        /* Check for interrupts in that node */
-        if (np->n_intrs > 0) {
-                port->irq = np->intrs[0].line;
-                DBG(" port %d (%s), irq=%d\n",
-                    index, np->full_name, port->irq);
-                return;
+        virq = irq_of_parse_and_map(np, 0);
+        if (virq == NO_IRQ && legacy_serial_infos[index].irq_check_parent) {
+                np = of_get_parent(np);
+                if (np == NULL)
+                        return;
+                virq = irq_of_parse_and_map(np, 0);
+                of_node_put(np);
         }
-
-        /* Check for interrupts in the parent */
-        np = of_get_parent(np);
-        if (np == NULL)
+        if (virq == NO_IRQ)
                 return;
 
-        if (np->n_intrs > 0) {
-                port->irq = np->intrs[0].line;
-                DBG(" port %d (%s), irq=%d\n",
-                    index, np->full_name, port->irq);
-        }
-        of_node_put(np);
+        port->irq = virq;
 }
 
 static void __init fixup_port_pio(int index,
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 0c3c70d115c6..bfb407fc1aa1 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -51,12 +51,14 @@ _GLOBAL(call_do_softirq)
         mtlr    r0
         blr
 
-_GLOBAL(call___do_IRQ)
+_GLOBAL(call_handle_irq)
+        ld      r8,0(r7)
         mflr    r0
         std     r0,16(r1)
-        stdu    r1,THREAD_SIZE-112(r5)
-        mr      r1,r5
-        bl      .__do_IRQ
+        mtctr   r8
+        stdu    r1,THREAD_SIZE-112(r6)
+        mr      r1,r6
+        bctrl
         ld      r1,0(r1)
         ld      r0,16(r1)
         mtlr    r0
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 1333335c474e..898dae8ab6d9 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -1404,6 +1404,43 @@ pcibios_update_irq(struct pci_dev *dev, int irq)
         /* XXX FIXME - update OF device tree node interrupt property */
 }
 
+#ifdef CONFIG_PPC_MERGE
+/* XXX This is a copy of the ppc64 version. This is temporary until we start
+ * merging the 2 PCI layers
+ */
+/*
+ * Reads the interrupt pin to determine if interrupt is use by card.
+ * If the interrupt is used, then gets the interrupt line from the
+ * openfirmware and sets it in the pci_dev and pci_config line.
+ */
+int pci_read_irq_line(struct pci_dev *pci_dev)
+{
+        struct of_irq oirq;
+        unsigned int virq;
+
+        DBG("Try to map irq for %s...\n", pci_name(pci_dev));
+
+        if (of_irq_map_pci(pci_dev, &oirq)) {
+                DBG(" -> failed !\n");
+                return -1;
+        }
+
+        DBG(" -> got one, spec %d cells (0x%08x...) on %s\n",
+            oirq.size, oirq.specifier[0], oirq.controller->full_name);
+
+        virq = irq_create_of_mapping(oirq.controller, oirq.specifier, oirq.size);
+        if(virq == NO_IRQ) {
+                DBG(" -> failed to map !\n");
+                return -1;
+        }
+        pci_dev->irq = virq;
+        pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq);
+
+        return 0;
+}
+EXPORT_SYMBOL(pci_read_irq_line);
+#endif /* CONFIG_PPC_MERGE */
+
 int pcibios_enable_device(struct pci_dev *dev, int mask)
 {
         u16 cmd, old_cmd;
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index bea8451fb57b..efc0b5559ee0 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -398,12 +398,8 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
         } else {
                 dev->hdr_type = PCI_HEADER_TYPE_NORMAL;
                 dev->rom_base_reg = PCI_ROM_ADDRESS;
+                /* Maybe do a default OF mapping here */
                 dev->irq = NO_IRQ;
-                if (node->n_intrs > 0) {
-                        dev->irq = node->intrs[0].line;
-                        pci_write_config_byte(dev, PCI_INTERRUPT_LINE,
-                                              dev->irq);
-                }
         }
 
         pci_parse_of_addrs(node, dev);
@@ -1288,23 +1284,26 @@ EXPORT_SYMBOL(pcibios_fixup_bus);
  */
 int pci_read_irq_line(struct pci_dev *pci_dev)
 {
-        u8 intpin;
-        struct device_node *node;
-
-        pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &intpin);
-        if (intpin == 0)
-                return 0;
+        struct of_irq oirq;
+        unsigned int virq;
 
-        node = pci_device_to_OF_node(pci_dev);
-        if (node == NULL)
-                return -1;
+        DBG("Try to map irq for %s...\n", pci_name(pci_dev));
 
-        if (node->n_intrs == 0)
+        if (of_irq_map_pci(pci_dev, &oirq)) {
+                DBG(" -> failed !\n");
                 return -1;
+        }
 
-        pci_dev->irq = node->intrs[0].line;
+        DBG(" -> got one, spec %d cells (0x%08x...) on %s\n",
+            oirq.size, oirq.specifier[0], oirq.controller->full_name);
 
-        pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, pci_dev->irq);
+        virq = irq_create_of_mapping(oirq.controller, oirq.specifier, oirq.size);
+        if(virq == NO_IRQ) {
+                DBG(" -> failed to map !\n");
+                return -1;
+        }
+        pci_dev->irq = virq;
+        pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq);
 
         return 0;
 }
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4c524cb52184..a1787ffb6319 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -30,6 +30,7 @@
 #include <linux/module.h>
 #include <linux/kexec.h>
 #include <linux/debugfs.h>
+#include <linux/irq.h>
 
 #include <asm/prom.h>
 #include <asm/rtas.h>
@@ -86,424 +87,6 @@ static DEFINE_RWLOCK(devtree_lock);
 /* export that to outside world */
 struct device_node *of_chosen;
 
-struct device_node *dflt_interrupt_controller;
-int num_interrupt_controllers;
-
-/*
- * Wrapper for allocating memory for various data that needs to be
- * attached to device nodes as they are processed at boot or when
- * added to the device tree later (e.g. DLPAR).  At boot there is
- * already a region reserved so we just increment *mem_start by size;
- * otherwise we call kmalloc.
- */
-static void * prom_alloc(unsigned long size, unsigned long *mem_start)
-{
-        unsigned long tmp;
-
-        if (!mem_start)
-                return kmalloc(size, GFP_KERNEL);
-
-        tmp = *mem_start;
-        *mem_start += size;
-        return (void *)tmp;
-}
-
-/*
- * Find the device_node with a given phandle.
- */
-static struct device_node * find_phandle(phandle ph)
-{
-        struct device_node *np;
-
-        for (np = allnodes; np != 0; np = np->allnext)
-                if (np->linux_phandle == ph)
-                        return np;
-        return NULL;
-}
-
-/*
- * Find the interrupt parent of a node.
- */
-static struct device_node * __devinit intr_parent(struct device_node *p)
-{
-        phandle *parp;
-
-        parp = (phandle *) get_property(p, "interrupt-parent", NULL);
-        if (parp == NULL)
-                return p->parent;
-        p = find_phandle(*parp);
-        if (p != NULL)
-                return p;
-        /*
-         * On a powermac booted with BootX, we don't get to know the
-         * phandles for any nodes, so find_phandle will return NULL.
-         * Fortunately these machines only have one interrupt controller
-         * so there isn't in fact any ambiguity.  -- paulus
-         */
-        if (num_interrupt_controllers == 1)
-                p = dflt_interrupt_controller;
-        return p;
-}
-
-/*
- * Find out the size of each entry of the interrupts property
- * for a node.
- */
-int __devinit prom_n_intr_cells(struct device_node *np)
-{
-        struct device_node *p;
-        unsigned int *icp;
-
-        for (p = np; (p = intr_parent(p)) != NULL; ) {
-                icp = (unsigned int *)
-                        get_property(p, "#interrupt-cells", NULL);
-                if (icp != NULL)
-                        return *icp;
-                if (get_property(p, "interrupt-controller", NULL) != NULL
-                    || get_property(p, "interrupt-map", NULL) != NULL) {
-                        printk("oops, node %s doesn't have #interrupt-cells\n",
-                               p->full_name);
-                        return 1;
-                }
-        }
-#ifdef DEBUG_IRQ
-        printk("prom_n_intr_cells failed for %s\n", np->full_name);
-#endif
-        return 1;
-}
-
-/*
- * Map an interrupt from a device up to the platform interrupt
- * descriptor.
- */
-static int __devinit map_interrupt(unsigned int **irq, struct device_node **ictrler,
-                                   struct device_node *np, unsigned int *ints,
-                                   int nintrc)
-{
-        struct device_node *p, *ipar;
-        unsigned int *imap, *imask, *ip;
-        int i, imaplen, match;
-        int newintrc = 0, newaddrc = 0;
-        unsigned int *reg;
-        int naddrc;
-
-        reg = (unsigned int *) get_property(np, "reg", NULL);
-        naddrc = prom_n_addr_cells(np);
-        p = intr_parent(np);
-        while (p != NULL) {
-                if (get_property(p, "interrupt-controller", NULL) != NULL)
-                        /* this node is an interrupt controller, stop here */
-                        break;
-                imap = (unsigned int *)
-                        get_property(p, "interrupt-map", &imaplen);
-                if (imap == NULL) {
-                        p = intr_parent(p);
-                        continue;
-                }
-                imask = (unsigned int *)
-                        get_property(p, "interrupt-map-mask", NULL);
-                if (imask == NULL) {
-                        printk("oops, %s has interrupt-map but no mask\n",
-                               p->full_name);
-                        return 0;
-                }
-                imaplen /= sizeof(unsigned int);
-                match = 0;
-                ipar = NULL;
-                while (imaplen > 0 && !match) {
-                        /* check the child-interrupt field */
-                        match = 1;
-                        for (i = 0; i < naddrc && match; ++i)
-                                match = ((reg[i] ^ imap[i]) & imask[i]) == 0;
-                        for (; i < naddrc + nintrc && match; ++i)
-                                match = ((ints[i-naddrc] ^ imap[i]) & imask[i]) == 0;
-                        imap += naddrc + nintrc;
-                        imaplen -= naddrc + nintrc;
-                        /* grab the interrupt parent */
-                        ipar = find_phandle((phandle) *imap++);
-                        --imaplen;
-                        if (ipar == NULL && num_interrupt_controllers == 1)
-                                /* cope with BootX not giving us phandles */
-                                ipar = dflt_interrupt_controller;
-                        if (ipar == NULL) {
-                                printk("oops, no int parent %x in map of %s\n",
-                                       imap[-1], p->full_name);
-                                return 0;
-                        }
-                        /* find the parent's # addr and intr cells */
-                        ip = (unsigned int *)
-                                get_property(ipar, "#interrupt-cells", NULL);
-                        if (ip == NULL) {
-                                printk("oops, no #interrupt-cells on %s\n",
-                                       ipar->full_name);
-                                return 0;
-                        }
-                        newintrc = *ip;
-                        ip = (unsigned int *)
-                                get_property(ipar, "#address-cells", NULL);
-                        newaddrc = (ip == NULL)? 0: *ip;
-                        imap += newaddrc + newintrc;
-                        imaplen -= newaddrc + newintrc;
-                }
-                if (imaplen < 0) {
-                        printk("oops, error decoding int-map on %s, len=%d\n",
-                               p->full_name, imaplen);
-                        return 0;
-                }
-                if (!match) {
-#ifdef DEBUG_IRQ
-                        printk("oops, no match in %s int-map for %s\n",
-                               p->full_name, np->full_name);
-#endif
-                        return 0;
-                }
-                p = ipar;
-                naddrc = newaddrc;
-                nintrc = newintrc;
-                ints = imap - nintrc;
-                reg = ints - naddrc;
-        }
-        if (p == NULL) {
-#ifdef DEBUG_IRQ
-                printk("hmmm, int tree for %s doesn't have ctrler\n",
-                       np->full_name);
-#endif
-                return 0;
-        }
-        *irq = ints;
-        *ictrler = p;
-        return nintrc;
-}
-
-static unsigned char map_isa_senses[4] = {
-        IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE,
-        IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE,
-        IRQ_SENSE_EDGE  | IRQ_POLARITY_NEGATIVE,
-        IRQ_SENSE_EDGE  | IRQ_POLARITY_POSITIVE
-};
-
-static unsigned char map_mpic_senses[4] = {
-        IRQ_SENSE_EDGE  | IRQ_POLARITY_POSITIVE,
-        IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE,
-        /* 2 seems to be used for the 8259 cascade... */
-        IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE,
-        IRQ_SENSE_EDGE  | IRQ_POLARITY_NEGATIVE,
-};
-
-static int __devinit finish_node_interrupts(struct device_node *np,
-                                            unsigned long *mem_start,
-                                            int measure_only)
-{
-        unsigned int *ints;
-        int intlen, intrcells, intrcount;
-        int i, j, n, sense;
-        unsigned int *irq, virq;
-        struct device_node *ic;
-        int trace = 0;
-
-        //#define TRACE(fmt...) do { if (trace) { printk(fmt); mdelay(1000); } } while(0)
-#define TRACE(fmt...)
-
-        if (!strcmp(np->name, "smu-doorbell"))
-                trace = 1;
-
-        TRACE("Finishing SMU doorbell ! num_interrupt_controllers = %d\n",
-              num_interrupt_controllers);
-
-        if (num_interrupt_controllers == 0) {
-                /*
-                 * Old machines just have a list of interrupt numbers
-                 * and no interrupt-controller nodes.
-                 */
-                ints = (unsigned int *) get_property(np, "AAPL,interrupts",
-                                                     &intlen);
-                /* XXX old interpret_pci_props looked in parent too */
-                /* XXX old interpret_macio_props looked for interrupts
-                   before AAPL,interrupts */
-                if (ints == NULL)
-                        ints = (unsigned int *) get_property(np, "interrupts",
-                                                             &intlen);
-                if (ints == NULL)
-                        return 0;
-
-                np->n_intrs = intlen / sizeof(unsigned int);
-                np->intrs = prom_alloc(np->n_intrs * sizeof(np->intrs[0]),
-                                       mem_start);
-                if (!np->intrs)
-                        return -ENOMEM;
-                if (measure_only)
-                        return 0;
-
-                for (i = 0; i < np->n_intrs; ++i) {
-                        np->intrs[i].line = *ints++;
-                        np->intrs[i].sense = IRQ_SENSE_LEVEL
-                                | IRQ_POLARITY_NEGATIVE;
-                }
-                return 0;
-        }
-
-        ints = (unsigned int *) get_property(np, "interrupts", &intlen);
-        TRACE("ints=%p, intlen=%d\n", ints, intlen);
-        if (ints == NULL)
-                return 0;
-        intrcells = prom_n_intr_cells(np);
-        intlen /= intrcells * sizeof(unsigned int);
-        TRACE("intrcells=%d, new intlen=%d\n", intrcells, intlen);
-        np->intrs = prom_alloc(intlen * sizeof(*(np->intrs)), mem_start);
-        if (!np->intrs)
-                return -ENOMEM;
-
-        if (measure_only)
-                return 0;
-
-        intrcount = 0;
-        for (i = 0; i < intlen; ++i, ints += intrcells) {
-                n = map_interrupt(&irq, &ic, np, ints, intrcells);
-                TRACE("map, irq=%d, ic=%p, n=%d\n", irq, ic, n);
-                if (n <= 0)
-                        continue;
-
-                /* don't map IRQ numbers under a cascaded 8259 controller */
-                if (ic && device_is_compatible(ic, "chrp,iic")) {
-                        np->intrs[intrcount].line = irq[0];
-                        sense = (n > 1)? (irq[1] & 3): 3;
-                        np->intrs[intrcount].sense = map_isa_senses[sense];
-                } else {
-                        virq = virt_irq_create_mapping(irq[0]);
-                        TRACE("virq=%d\n", virq);
-#ifdef CONFIG_PPC64
-                        if (virq == NO_IRQ) {
-                                printk(KERN_CRIT "Could not allocate interrupt"
-                                       " number for %s\n", np->full_name);
-                                continue;
-                        }
-#endif
-                        np->intrs[intrcount].line = irq_offset_up(virq);
-                        sense = (n > 1)? (irq[1] & 3): 1;
-
-                        /* Apple uses bits in there in a different way, let's
-                         * only keep the real sense bit on macs
-                         */
-                        if (machine_is(powermac))
-                                sense &= 0x1;
-                        np->intrs[intrcount].sense = map_mpic_senses[sense];
-                }
-
-#ifdef CONFIG_PPC64
-                /* We offset irq numbers for the u3 MPIC by 128 in PowerMac */
-                if (machine_is(powermac) && ic && ic->parent) {
-                        char *name = get_property(ic->parent, "name", NULL);
-                        if (name && !strcmp(name, "u3"))
-                                np->intrs[intrcount].line += 128;
-                        else if (!(name && (!strcmp(name, "mac-io") ||
-                                            !strcmp(name, "u4"))))
-                                /* ignore other cascaded controllers, such as
-                                   the k2-sata-root */
-                                break;
-                }
-#endif /* CONFIG_PPC64 */
-                if (n > 2) {
-                        printk("hmmm, got %d intr cells for %s:", n,
-                               np->full_name);
-                        for (j = 0; j < n; ++j)
-                                printk(" %d", irq[j]);
-                        printk("\n");
-                }
-                ++intrcount;
-        }
-        np->n_intrs = intrcount;
-
-        return 0;
-}
-
-static int __devinit finish_node(struct device_node *np,
-                                 unsigned long *mem_start,
-                                 int measure_only)
-{
-        struct device_node *child;
-        int rc = 0;
-
-        rc = finish_node_interrupts(np, mem_start, measure_only);
-        if (rc)
-                goto out;
-
-        for (child = np->child; child != NULL; child = child->sibling) {
-                rc = finish_node(child, mem_start, measure_only);
-                if (rc)
-                        goto out;
-        }
-out:
-        return rc;
-}
-
-static void __init scan_interrupt_controllers(void)
-{
-        struct device_node *np;
-        int n = 0;
-        char *name, *ic;
-        int iclen;
-
-        for (np = allnodes; np != NULL; np = np->allnext) {
-                ic = get_property(np, "interrupt-controller", &iclen);
-                name = get_property(np, "name", NULL);
-                /* checking iclen makes sure we don't get a false
-                   match on /chosen.interrupt_controller */
-                if ((name != NULL
-                     && strcmp(name, "interrupt-controller") == 0)
-                    || (ic != NULL && iclen == 0
-                        && strcmp(name, "AppleKiwi"))) {
-                        if (n == 0)
-                                dflt_interrupt_controller = np;
-                        ++n;
-                }
-        }
-        num_interrupt_controllers = n;
-}
-
-/**
- * finish_device_tree is called once things are running normally
- * (i.e. with text and data mapped to the address they were linked at).
- * It traverses the device tree and fills in some of the additional,
- * fields in each node like {n_}addrs and {n_}intrs, the virt interrupt
- * mapping is also initialized at this point.
- */
-void __init finish_device_tree(void)
-{
-        unsigned long start, end, size = 0;
-
-        DBG(" -> finish_device_tree\n");
-
-#ifdef CONFIG_PPC64
-        /* Initialize virtual IRQ map */
-        virt_irq_init();
-#endif
-        scan_interrupt_controllers();
-
-        /*
-         * Finish device-tree (pre-parsing some properties etc...)
-         * We do this in 2 passes. One with "measure_only" set, which
-         * will only measure the amount of memory needed, then we can
-         * allocate that memory, and call finish_node again. However,
-         * we must be careful as most routines will fail nowadays when
-         * prom_alloc() returns 0, so we must make sure our first pass
-         * doesn't start at 0. We pre-initialize size to 16 for that
-         * reason and then remove those additional 16 bytes
-         */
-        size = 16;
-        finish_node(allnodes, &size, 1);
-        size -= 16;
-
-        if (0 == size)
-                end = start = 0;
-        else
-                end = start = (unsigned long)__va(lmb_alloc(size, 128));
-
-        finish_node(allnodes, &end, 0);
-        BUG_ON(end != start + size);
-
-        DBG(" <- finish_device_tree\n");
-}
-
 static inline char *find_flat_dt_string(u32 offset)
 {
         return ((char *)initial_boot_params) +
@@ -1389,27 +972,6 @@ prom_n_size_cells(struct device_node* np)
 EXPORT_SYMBOL(prom_n_size_cells);
 
 /**
- * Work out the sense (active-low level / active-high edge)
- * of each interrupt from the device tree.
- */
-void __init prom_get_irq_senses(unsigned char *senses, int off, int max)
-{
-        struct device_node *np;
-        int i, j;
-
-        /* default to level-triggered */
-        memset(senses, IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE, max - off);
-
-        for (np = allnodes; np != 0; np = np->allnext) {
-                for (j = 0; j < np->n_intrs; j++) {
-                        i = np->intrs[j].line;
-                        if (i >= off && i < max)
-                                senses[i-off] = np->intrs[j].sense;
-                }
-        }
-}
-
-/**
  * Construct and return a list of the device_nodes with a given name.
  */
 struct device_node *find_devices(const char *name)
@@ -1808,7 +1370,6 @@ static void of_node_release(struct kref *kref)
                         node->deadprops = NULL;
                 }
         }
-        kfree(node->intrs);
         kfree(node->full_name);
         kfree(node->data);
         kfree(node);
@@ -1881,13 +1442,7 @@ void of_detach_node(const struct device_node *np)
 #ifdef CONFIG_PPC_PSERIES
 /*
  * Fix up the uninitialized fields in a new device node:
- * name, type, n_addrs, addrs, n_intrs, intrs, and pci-specific fields
- *
- * A lot of boot-time code is duplicated here, because functions such
- * as finish_node_interrupts, interpret_pci_props, etc. cannot use the
- * slab allocator.
- *
- * This should probably be split up into smaller chunks.
+ * name, type and pci-specific fields
  */
 
 static int of_finish_dynamic_node(struct device_node *node)
@@ -1928,8 +1483,6 @@ static int prom_reconfig_notifier(struct notifier_block *nb,
         switch (action) {
         case PSERIES_RECONFIG_ADD:
                 err = of_finish_dynamic_node(node);
-                if (!err)
-                        finish_node(node, NULL, 0);
                 if (err < 0) {
                         printk(KERN_ERR "finish_node returned %d\n", err);
                         err = NOTIFY_BAD;
@@ -1975,8 +1528,7 @@ struct property *of_find_property(struct device_node *np, const char *name,
  * Find a property with a given name for a given node
  * and return the value.
  */
-unsigned char *get_property(struct device_node *np, const char *name,
-                            int *lenp)
+void *get_property(struct device_node *np, const char *name, int *lenp)
 {
         struct property *pp = of_find_property(np,name,lenp);
         return pp ? pp->value : NULL;
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 1e95a9f8cda1..ebd501a59abd 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1990,12 +1990,22 @@ static void __init flatten_device_tree(void)
 static void __init fixup_device_tree_maple(void)
 {
         phandle isa;
+        u32 rloc = 0x01002000; /* IO space; PCI device = 4 */
         u32 isa_ranges[6];
-
-        isa = call_prom("finddevice", 1, 1, ADDR("/ht@0/isa@4"));
+        char *name;
+
+        name = "/ht@0/isa@4";
+        isa = call_prom("finddevice", 1, 1, ADDR(name));
+        if (!PHANDLE_VALID(isa)) {
+                name = "/ht@0/isa@6";
+                isa = call_prom("finddevice", 1, 1, ADDR(name));
+                rloc = 0x01003000; /* IO space; PCI device = 6 */
+        }
         if (!PHANDLE_VALID(isa))
                 return;
 
+        if (prom_getproplen(isa, "ranges") != 12)
+                return;
         if (prom_getprop(isa, "ranges", isa_ranges, sizeof(isa_ranges))
                 == PROM_ERROR)
                 return;
@@ -2005,15 +2015,15 @@ static void __init fixup_device_tree_maple(void)
                 isa_ranges[2] != 0x00010000)
                 return;
 
-        prom_printf("fixing up bogus ISA range on Maple...\n");
+        prom_printf("Fixing up bogus ISA range on Maple/Apache...\n");
 
         isa_ranges[0] = 0x1;
         isa_ranges[1] = 0x0;
-        isa_ranges[2] = 0x01002000; /* IO space; PCI device = 4 */
+        isa_ranges[2] = rloc;
         isa_ranges[3] = 0x0;
         isa_ranges[4] = 0x0;
         isa_ranges[5] = 0x00010000;
-        prom_setprop(isa, "/ht@0/isa@4", "ranges",
+        prom_setprop(isa, name, "ranges",
                         isa_ranges, sizeof(isa_ranges));
 }
 #else
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 45df420383cc..21009b1f7869 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -38,14 +38,6 @@ static void of_dump_addr(const char *s, u32 *addr, int na)
 static void of_dump_addr(const char *s, u32 *addr, int na) { }
 #endif
 
-/* Read a big address */
-static inline u64 of_read_addr(u32 *cell, int size)
-{
-        u64 r = 0;
-        while (size--)
-                r = (r << 32) | *(cell++);
-        return r;
-}
 
 /* Callbacks for bus specific translators */
 struct of_bus {
@@ -77,9 +69,9 @@ static u64 of_bus_default_map(u32 *addr, u32 *range, int na, int ns, int pna)
 {
         u64 cp, s, da;
 
-        cp = of_read_addr(range, na);
-        s  = of_read_addr(range + na + pna, ns);
-        da = of_read_addr(addr, na);
+        cp = of_read_number(range, na);
+        s  = of_read_number(range + na + pna, ns);
+        da = of_read_number(addr, na);
 
         DBG("OF: default map, cp="PRu64", s="PRu64", da="PRu64"\n",
             cp, s, da);
@@ -91,7 +83,7 @@ static u64 of_bus_default_map(u32 *addr, u32 *range, int na, int ns, int pna)
 
 static int of_bus_default_translate(u32 *addr, u64 offset, int na)
 {
-        u64 a = of_read_addr(addr, na);
+        u64 a = of_read_number(addr, na);
         memset(addr, 0, na * 4);
         a += offset;
         if (na > 1)
@@ -135,9 +127,9 @@ static u64 of_bus_pci_map(u32 *addr, u32 *range, int na, int ns, int pna)
                 return OF_BAD_ADDR;
 
         /* Read address values, skipping high cell */
-        cp = of_read_addr(range + 1, na - 1);
-        s  = of_read_addr(range + na + pna, ns);
-        da = of_read_addr(addr + 1, na - 1);
+        cp = of_read_number(range + 1, na - 1);
+        s  = of_read_number(range + na + pna, ns);
+        da = of_read_number(addr + 1, na - 1);
 
         DBG("OF: PCI map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
 
@@ -195,9 +187,9 @@ static u64 of_bus_isa_map(u32 *addr, u32 *range, int na, int ns, int pna)
                 return OF_BAD_ADDR;
 
         /* Read address values, skipping high cell */
-        cp = of_read_addr(range + 1, na - 1);
-        s  = of_read_addr(range + na + pna, ns);
-        da = of_read_addr(addr + 1, na - 1);
+        cp = of_read_number(range + 1, na - 1);
+        s  = of_read_number(range + na + pna, ns);
+        da = of_read_number(addr + 1, na - 1);
 
         DBG("OF: ISA map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
 
@@ -295,7 +287,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
          */
         ranges = (u32 *)get_property(parent, "ranges", &rlen);
         if (ranges == NULL || rlen == 0) {
-                offset = of_read_addr(addr, na);
+                offset = of_read_number(addr, na);
                 memset(addr, 0, pna * 4);
                 DBG("OF: no ranges, 1:1 translation\n");
                 goto finish;
@@ -378,7 +370,7 @@ u64 of_translate_address(struct device_node *dev, u32 *in_addr)
                 /* If root, we have finished */
                 if (parent == NULL) {
                         DBG("OF: reached root node\n");
-                        result = of_read_addr(addr, na);
+                        result = of_read_number(addr, na);
                         break;
                 }
 
@@ -442,7 +434,7 @@ u32 *of_get_address(struct device_node *dev, int index, u64 *size,
         for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
                 if (i == index) {
                         if (size)
-                                *size = of_read_addr(prop + na, ns);
+                                *size = of_read_number(prop + na, ns);
                         if (flags)
                                 *flags = bus->get_flags(prop);
                         return prop;
@@ -484,7 +476,7 @@ u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
         for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
                 if ((prop[0] & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
                         if (size)
-                                *size = of_read_addr(prop + na, ns);
+                                *size = of_read_number(prop + na, ns);
                         if (flags)
                                 *flags = bus->get_flags(prop);
                         return prop;
@@ -565,11 +557,414 @@ void of_parse_dma_window(struct device_node *dn, unsigned char *dma_window_prop,
                 prop = get_property(dn, "#address-cells", NULL);
 
         cells = prop ? *(u32 *)prop : prom_n_addr_cells(dn);
-        *phys = of_read_addr(dma_window, cells);
+        *phys = of_read_number(dma_window, cells);
 
         dma_window += cells;
 
         prop = get_property(dn, "ibm,#dma-size-cells", NULL);
         cells = prop ? *(u32 *)prop : prom_n_size_cells(dn);
-        *size = of_read_addr(dma_window, cells);
+        *size = of_read_number(dma_window, cells);
+}
+
+/*
+ * Interrupt remapper
+ */
+
+static unsigned int of_irq_workarounds;
+static struct device_node *of_irq_dflt_pic;
+
+static struct device_node *of_irq_find_parent(struct device_node *child)
+{
+        struct device_node *p;
+        phandle *parp;
+
+        if (!of_node_get(child))
+                return NULL;
+
+        do {
+                parp = (phandle *)get_property(child, "interrupt-parent", NULL);
+                if (parp == NULL)
+                        p = of_get_parent(child);
+                else {
+                        if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
+                                p = of_node_get(of_irq_dflt_pic);
+                        else
+                                p = of_find_node_by_phandle(*parp);
+                }
+                of_node_put(child);
+                child = p;
+        } while (p && get_property(p, "#interrupt-cells", NULL) == NULL);
+
+        return p;
+}
+
+static u8 of_irq_pci_swizzle(u8 slot, u8 pin)
+{
+        return (((pin - 1) + slot) % 4) + 1;
 }
+
+/* This doesn't need to be called if you don't have any special workaround
+ * flags to pass
+ */
+void of_irq_map_init(unsigned int flags)
+{
+        of_irq_workarounds = flags;
+
+        /* OldWorld, don't bother looking at other things */
+        if (flags & OF_IMAP_OLDWORLD_MAC)
+                return;
+
+        /* If we don't have phandles, let's try to locate a default interrupt
+         * controller (happens when booting with BootX). We do a first match
+         * here, hopefully, that only ever happens on machines with one
+         * controller.
+         */
+        if (flags & OF_IMAP_NO_PHANDLE) {
+                struct device_node *np;
+
+                for(np = NULL; (np = of_find_all_nodes(np)) != NULL;) {
+                        if (get_property(np, "interrupt-controller", NULL)
+                            == NULL)
+                                continue;
+                        /* Skip /chosen/interrupt-controller */
+                        if (strcmp(np->name, "chosen") == 0)
+                                continue;
+                        /* It seems like at least one person on this planet wants
+                         * to use BootX on a machine with an AppleKiwi controller
+                         * which happens to pretend to be an interrupt
+                         * controller too.
+                         */
+                        if (strcmp(np->name, "AppleKiwi") == 0)
+                                continue;
+                        /* I think we found one ! */
+                        of_irq_dflt_pic = np;
+                        break;
+                }
+        }
+
+}
+
+int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
+                   struct of_irq *out_irq)
+{
+        struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
+        u32 *tmp, *imap, *imask;
+        u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
+        int imaplen, match, i;
+
+        ipar = of_node_get(parent);
+
+        /* First get the #interrupt-cells property of the current cursor
+         * that tells us how to interpret the passed-in intspec. If there
+         * is none, we are nice and just walk up the tree
+         */
+        do {
+                tmp = (u32 *)get_property(ipar, "#interrupt-cells", NULL);
+                if (tmp != NULL) {
+                        intsize = *tmp;
+                        break;
+                }
+                tnode = ipar;
+                ipar = of_irq_find_parent(ipar);
+                of_node_put(tnode);
+        } while (ipar);
+        if (ipar == NULL) {
+                DBG(" -> no parent found !\n");
+                goto fail;
+        }
+
+        DBG("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
+
+        /* Look for this #address-cells. We have to implement the old linux
+         * trick of looking for the parent here as some device-trees rely on it
+         */
+        old = of_node_get(ipar);
+        do {
+                tmp = (u32 *)get_property(old, "#address-cells", NULL);
+                tnode = of_get_parent(old);
+                of_node_put(old);
+                old = tnode;
+        } while(old && tmp == NULL);
+        of_node_put(old);
+        old = NULL;
+        addrsize = (tmp == NULL) ? 2 : *tmp;
+
+        DBG(" -> addrsize=%d\n", addrsize);
+
+        /* Now start the actual "proper" walk of the interrupt tree */
+        while (ipar != NULL) {
+                /* Now check if cursor is an interrupt-controller and if it is
+                 * then we are done
+                 */
+                if (get_property(ipar, "interrupt-controller", NULL) != NULL) {
+                        DBG(" -> got it !\n");
+                        memcpy(out_irq->specifier, intspec,
+                               intsize * sizeof(u32));
+                        out_irq->size = intsize;
+                        out_irq->controller = ipar;
+                        of_node_put(old);
+                        return 0;
+                }
+
+                /* Now look for an interrupt-map */
+                imap = (u32 *)get_property(ipar, "interrupt-map", &imaplen);
+                /* No interrupt map, check for an interrupt parent */
+                if (imap == NULL) {
+                        DBG(" -> no map, getting parent\n");
+                        newpar = of_irq_find_parent(ipar);
+                        goto skiplevel;
+                }
+                imaplen /= sizeof(u32);
+
+                /* Look for a mask */
+                imask = (u32 *)get_property(ipar, "interrupt-map-mask", NULL);
+
+                /* If we were passed no "reg" property and we attempt to parse
+                 * an interrupt-map, then #address-cells must be 0.
+                 * Fail if it's not.
+                 */
+                if (addr == NULL && addrsize != 0) {
+                        DBG(" -> no reg passed in when needed !\n");
+                        goto fail;
+                }
+
+                /* Parse interrupt-map */
+                match = 0;
+                while (imaplen > (addrsize + intsize + 1) && !match) {
+                        /* Compare specifiers */
+                        match = 1;
+                        for (i = 0; i < addrsize && match; ++i) {
+                                u32 mask = imask ? imask[i] : 0xffffffffu;
+                                match = ((addr[i] ^ imap[i]) & mask) == 0;
+                        }
+                        for (; i < (addrsize + intsize) && match; ++i) {
+                                u32 mask = imask ? imask[i] : 0xffffffffu;
+                                match =
+                                   ((intspec[i-addrsize] ^ imap[i]) & mask) == 0;
+                        }
+                        imap += addrsize + intsize;
+                        imaplen -= addrsize + intsize;
+
+                        DBG(" -> match=%d (imaplen=%d)\n", match, imaplen);
+
+                        /* Get the interrupt parent */
+                        if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
+                                newpar = of_node_get(of_irq_dflt_pic);
+                        else
+                                newpar = of_find_node_by_phandle((phandle)*imap);
+                        imap++;
+                        --imaplen;
+
+                        /* Check if not found */
+                        if (newpar == NULL) {
+                                DBG(" -> imap parent not found !\n");
+                                goto fail;
+                        }
+
+                        /* Get #interrupt-cells and #address-cells of new
+                         * parent
+                         */
+                        tmp = (u32 *)get_property(newpar, "#interrupt-cells",
+                                                  NULL);
+                        if (tmp == NULL) {
+                                DBG(" -> parent lacks #interrupt-cells !\n");
+                                goto fail;
+                        }
+                        newintsize = *tmp;
+                        tmp = (u32 *)get_property(newpar, "#address-cells",
+                                                  NULL);
+                        newaddrsize = (tmp == NULL) ? 0 : *tmp;
+
+                        DBG(" -> newintsize=%d, newaddrsize=%d\n",
+                            newintsize, newaddrsize);
+
+                        /* Check for malformed properties */
+                        if (imaplen < (newaddrsize + newintsize))
+                                goto fail;
+
+                        imap += newaddrsize + newintsize;
+                        imaplen -= newaddrsize + newintsize;
+
+                        DBG(" -> imaplen=%d\n", imaplen);
+                }
+                if (!match)
+                        goto fail;
+
+                of_node_put(old);
+                old = of_node_get(newpar);
+                addrsize = newaddrsize;
+                intsize = newintsize;
+                intspec = imap - intsize;
+                addr = intspec - addrsize;
+
+        skiplevel:
+                /* Iterate again with new parent */
+                DBG(" -> new parent: %s\n", newpar ? newpar->full_name : "<>");
+                of_node_put(ipar);
+                ipar = newpar;
+                newpar = NULL;
+        }
+ fail:
+        of_node_put(ipar);
+        of_node_put(old);
+        of_node_put(newpar);
+
+        return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(of_irq_map_raw);
+
+#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
+static int of_irq_map_oldworld(struct device_node *device, int index,
+                               struct of_irq *out_irq)
+{
+        u32 *ints;
+        int intlen;
+
+        /*
+         * Old machines just have a list of interrupt numbers
+         * and no interrupt-controller nodes.
+         */
+        ints = (u32 *) get_property(device, "AAPL,interrupts", &intlen);
+        if (ints == NULL)
+                return -EINVAL;
+        intlen /= sizeof(u32);
+
+        if (index >= intlen)
+                return -EINVAL;
+
+        out_irq->controller = NULL;
+        out_irq->specifier[0] = ints[index];
+        out_irq->size = 1;
+
+        return 0;
+}
+#else /* defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) */
+static int of_irq_map_oldworld(struct device_node *device, int index,
+                               struct of_irq *out_irq)
+{
+        return -EINVAL;
+}
+#endif /* !(defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)) */
+
+int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq)
+{
+        struct device_node *p;
+        u32 *intspec, *tmp, intsize, intlen, *addr;
+        int res;
+
+        DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
+
+        /* OldWorld mac stuff is "special", handle out of line */
+        if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)
+                return of_irq_map_oldworld(device, index, out_irq);
+
+        /* Get the interrupts property */
+        intspec = (u32 *)get_property(device, "interrupts", &intlen);
+        if (intspec == NULL)
+                return -EINVAL;
+        intlen /= sizeof(u32);
+
+        /* Get the reg property (if any) */
+        addr = (u32 *)get_property(device, "reg", NULL);
+
+        /* Look for the interrupt parent. */
+        p = of_irq_find_parent(device);
+        if (p == NULL)
+                return -EINVAL;
+
+        /* Get size of interrupt specifier */
+        tmp = (u32 *)get_property(p, "#interrupt-cells", NULL);
+        if (tmp == NULL) {
+                of_node_put(p);
+                return -EINVAL;
+        }
+        intsize = *tmp;
+
+        /* Check index */
+        if (index * intsize >= intlen)
+                return -EINVAL;
+
+        /* Get new specifier and map it */
+        res = of_irq_map_raw(p, intspec + index * intsize, addr, out_irq);
+        of_node_put(p);
+        return res;
+}
+EXPORT_SYMBOL_GPL(of_irq_map_one);
+
+int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
+{
+        struct device_node *dn, *ppnode;
+        struct pci_dev *ppdev;
+        u32 lspec;
+        u32 laddr[3];
+        u8 pin;
+        int rc;
+
+        /* Check if we have a device node, if yes, fallback to standard OF
+         * parsing
+         */
+        dn = pci_device_to_OF_node(pdev);
+        if (dn)
+                return of_irq_map_one(dn, 0, out_irq);
+
+        /* Ok, we don't, time to have fun. Let's start by building up an
+         * interrupt spec.  we assume #interrupt-cells is 1, which is standard
+         * for PCI. If you do different, then don't use that routine.
+         */
+        rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin);
+        if (rc != 0)
+                return rc;
+        /* No pin, exit */
+        if (pin == 0)
+                return -ENODEV;
+
+        /* Now we walk up the PCI tree */
+        lspec = pin;
+        for (;;) {
+                /* Get the pci_dev of our parent */
+                ppdev = pdev->bus->self;
+
+                /* Ouch, it's a host bridge... */
+                if (ppdev == NULL) {
+#ifdef CONFIG_PPC64
+                        ppnode = pci_bus_to_OF_node(pdev->bus);
+#else
+                        struct pci_controller *host;
+                        host = pci_bus_to_host(pdev->bus);
+                        ppnode = host ? host->arch_data : NULL;
+#endif
+                        /* No node for host bridge ? give up */
+                        if (ppnode == NULL)
+                                return -EINVAL;
+                } else
+                        /* We found a P2P bridge, check if it has a node */
+                        ppnode = pci_device_to_OF_node(ppdev);
+
+                /* Ok, we have found a parent with a device-node, hand over to
+                 * the OF parsing code.
+                 * We build a unit address from the linux device to be used for
+                 * resolution. Note that we use the linux bus number which may
+                 * not match your firmware bus numbering.
+                 * Fortunately, in most cases, interrupt-map-mask doesn't include
+                 * the bus number as part of the matching.
+                 * You should still be careful about that though if you intend
+                 * to rely on this function (you ship  a firmware that doesn't
+                 * create device nodes for all PCI devices).
+                 */
+                if (ppnode)
+                        break;
+
+                /* We can only get here if we hit a P2P bridge with no node,
+                 * let's do standard swizzling and try again
+                 */
+                lspec = of_irq_pci_swizzle(PCI_SLOT(pdev->devfn), lspec);
+                pdev = ppdev;
+        }
+
+        laddr[0] = (pdev->bus->number << 16)
+                | (pdev->devfn << 8);
+        laddr[1]  = laddr[2] = 0;
+        return of_irq_map_raw(ppnode, &lspec, laddr, out_irq);
+}
+EXPORT_SYMBOL_GPL(of_irq_map_pci);
+
diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c
index 6eb7e49b394a..cda022657324 100644
--- a/arch/powerpc/kernel/rtas_pci.c
+++ b/arch/powerpc/kernel/rtas_pci.c
@@ -297,19 +297,9 @@ unsigned long __init find_and_init_phbs(void)
         struct device_node *node;
         struct pci_controller *phb;
         unsigned int index;
-        unsigned int root_size_cells = 0;
-        unsigned int *opprop = NULL;
         struct device_node *root = of_find_node_by_path("/");
 
-        if (ppc64_interrupt_controller == IC_OPEN_PIC) {
-                opprop = (unsigned int *)get_property(root,
-                                "platform-open-pic", NULL);
-        }
-
-        root_size_cells = prom_n_size_cells(root);
-
         index = 0;
-
         for (node = of_get_next_child(root, NULL);
              node != NULL;
              node = of_get_next_child(root, node)) {
@@ -324,13 +314,6 @@ unsigned long __init find_and_init_phbs(void)
                 setup_phb(node, phb);
                 pci_process_bridge_OF_ranges(phb, node, 0);
                 pci_setup_phb_io(phb, index == 0);
-#ifdef CONFIG_PPC_PSERIES
-                /* XXX This code need serious fixing ... --BenH */
-                if (ppc64_interrupt_controller == IC_OPEN_PIC && pSeries_mpic) {
-                        int addr = root_size_cells * (index + 2) - 1;
-                        mpic_assign_isu(pSeries_mpic, index, opprop[addr]);
-                }
-#endif
                 index++;
         }
 
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index ba7cd50d820d..e0df2ba1ab9f 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -51,7 +51,6 @@
 
 extern void bootx_init(unsigned long r4, unsigned long phys);
 
-boot_infos_t *boot_infos;
 struct ide_machdep_calls ppc_ide_md;
 
 int boot_cpuid;
@@ -240,7 +239,6 @@ void __init setup_arch(char **cmdline_p)
                 ppc_md.init_early();
 
         find_legacy_serial_ports();
-        finish_device_tree();
 
         smp_setup_cpu_maps();
 
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ac7276c40685..fd1785e4c9bb 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -361,12 +361,15 @@ void __init setup_system(void)
 
         /*
          * Fill the ppc64_caches & systemcfg structures with informations
-         * retrieved from the device-tree. Need to be called before
-         * finish_device_tree() since the later requires some of the
-         * informations filled up here to properly parse the interrupt tree.
+         * retrieved from the device-tree.
          */
         initialize_cache_info();
 
+        /*
+         * Initialize irq remapping subsystem
+         */
+        irq_early_init();
+
 #ifdef CONFIG_PPC_RTAS
         /*
          * Initialize RTAS if available
@@ -394,12 +397,6 @@ void __init setup_system(void)
         find_legacy_serial_ports();
 
         /*
-         * "Finish" the device-tree, that is do the actual parsing of
-         * some of the properties like the interrupt map
-         */
-        finish_device_tree();
-
-        /*
          * Initialize xmon
          */
 #ifdef CONFIG_XMON_DEFAULT
@@ -427,8 +424,6 @@ void __init setup_system(void)
 
         printk("-----------------------------------------------------\n");
         printk("ppc64_pft_size                = 0x%lx\n", ppc64_pft_size);
-        printk("ppc64_interrupt_controller    = 0x%ld\n",
-               ppc64_interrupt_controller);
         printk("physicalMemorySize            = 0x%lx\n", lmb_phys_mem_size());
         printk("ppc64_caches.dcache_line_size = 0x%x\n",
                ppc64_caches.dline_size);
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index cdf5867838a6..fad8580f9081 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -218,7 +218,6 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
 {
         struct vio_dev *viodev;
         unsigned int *unit_address;
-        unsigned int *irq_p;
 
         /* we need the 'device_type' property, in order to match with drivers */
         if (of_node->type == NULL) {
@@ -243,16 +242,7 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
 
         viodev->dev.platform_data = of_node_get(of_node);
 
-        viodev->irq = NO_IRQ;
-        irq_p = (unsigned int *)get_property(of_node, "interrupts", NULL);
-        if (irq_p) {
-                int virq = virt_irq_create_mapping(*irq_p);
-                if (virq == NO_IRQ) {
-                        printk(KERN_ERR "Unable to allocate interrupt "
-                               "number for %s\n", of_node->full_name);
-                } else
-                        viodev->irq = irq_offset_up(virq);
-        }
+        viodev->irq = irq_of_parse_and_map(of_node, 0);
 
         snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%x", *unit_address);
         viodev->name = of_node->name;
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 7675e675dce1..5fe7b7faf45f 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -16,12 +16,21 @@ config MPC834x_SYS
           3 PCI slots.  The PIBs PCI initialization is the bootloader's
           responsiblilty.
 
+config MPC834x_ITX
+        bool "Freescale MPC834x ITX"
+        select DEFAULT_UIMAGE
+        help
+          This option enables support for the MPC 834x ITX evaluation board.
+
+          Be aware that PCI initialization is the bootloader's
+          responsiblilty.
+
 endchoice
 
 config MPC834x
         bool
         select PPC_UDBG_16550
         select PPC_INDIRECT_PCI
-        default y if MPC834x_SYS
+        default y if MPC834x_SYS || MPC834x_ITX
 
 endmenu
diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
index 5c72367441a8..9387a110d28a 100644
--- a/arch/powerpc/platforms/83xx/Makefile
+++ b/arch/powerpc/platforms/83xx/Makefile
@@ -4,3 +4,4 @@
 obj-y                           := misc.o
 obj-$(CONFIG_PCI)               += pci.o
 obj-$(CONFIG_MPC834x_SYS)       += mpc834x_sys.o
+obj-$(CONFIG_MPC834x_ITX)       += mpc834x_itx.o
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
new file mode 100644
index 000000000000..b46305645d38
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -0,0 +1,156 @@
+/*
+ * arch/powerpc/platforms/83xx/mpc834x_itx.c
+ *
+ * MPC834x ITX board specific routines
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <sysdev/fsl_soc.h>
+
+#include "mpc83xx.h"
+
+#include <platforms/83xx/mpc834x_sys.h>
+
+#ifndef CONFIG_PCI
+unsigned long isa_io_base = 0;
+unsigned long isa_mem_base = 0;
+#endif
+
+#ifdef CONFIG_PCI
+static int
+mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
+{
+        static char pci_irq_table[][4] =
+            /*
+             *      PCI IDSEL/INTPIN->INTLINE
+             *       A      B      C      D
+             */
+        {
+                {PIRQB, PIRQC, PIRQD, PIRQA},   /* idsel 0x0e */
+                {PIRQA, PIRQB, PIRQC, PIRQD},   /* idsel 0x0f */
+                {PIRQC, PIRQD, PIRQA, PIRQB},   /* idsel 0x10 */
+        };
+
+        const long min_idsel = 0x0e, max_idsel = 0x10, irqs_per_slot = 4;
+        return PCI_IRQ_TABLE_LOOKUP;
+}
+#endif                          /* CONFIG_PCI */
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init mpc834x_itx_setup_arch(void)
+{
+        struct device_node *np;
+
+        if (ppc_md.progress)
+                ppc_md.progress("mpc834x_itx_setup_arch()", 0);
+
+        np = of_find_node_by_type(NULL, "cpu");
+        if (np != 0) {
+                unsigned int *fp =
+                    (int *)get_property(np, "clock-frequency", NULL);
+                if (fp != 0)
+                        loops_per_jiffy = *fp / HZ;
+                else
+                        loops_per_jiffy = 50000000 / HZ;
+                of_node_put(np);
+        }
+#ifdef CONFIG_PCI
+        for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
+                add_bridge(np);
+
+        ppc_md.pci_swizzle = common_swizzle;
+        ppc_md.pci_map_irq = mpc83xx_map_irq;
+        ppc_md.pci_exclude_device = mpc83xx_exclude_device;
+#endif
+
+#ifdef  CONFIG_ROOT_NFS
+        ROOT_DEV = Root_NFS;
+#else
+        ROOT_DEV = Root_HDA1;
+#endif
+}
+
+void __init mpc834x_itx_init_IRQ(void)
+{
+        u8 senses[8] = {
+                0,                      /* EXT 0 */
+                IRQ_SENSE_LEVEL,        /* EXT 1 */
+                IRQ_SENSE_LEVEL,        /* EXT 2 */
+                0,                      /* EXT 3 */
+#ifdef CONFIG_PCI
+                IRQ_SENSE_LEVEL,        /* EXT 4 */
+                IRQ_SENSE_LEVEL,        /* EXT 5 */
+                IRQ_SENSE_LEVEL,        /* EXT 6 */
+                IRQ_SENSE_LEVEL,        /* EXT 7 */
+#else
+                0,                      /* EXT 4 */
+                0,                      /* EXT 5 */
+                0,                      /* EXT 6 */
+                0,                      /* EXT 7 */
+#endif
+        };
+
+        ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
+
+        /* Initialize the default interrupt mapping priorities,
+         * in case the boot rom changed something on us.
+         */
+        ipic_set_default_priority();
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc834x_itx_probe(void)
+{
+        /* We always match for now, eventually we should look at the flat
+           dev tree to ensure this is the board we are suppose to run on
+        */
+        return 1;
+}
+
+define_machine(mpc834x_itx) {
+        .name                   = "MPC834x ITX",
+        .probe                  = mpc834x_itx_probe,
+        .setup_arch             = mpc834x_itx_setup_arch,
+        .init_IRQ               = mpc834x_itx_init_IRQ,
+        .get_irq                = ipic_get_irq,
+        .restart                = mpc83xx_restart,
+        .time_init              = mpc83xx_time_init,
+        .calibrate_decr         = generic_calibrate_decr,
+        .progress               = udbg_progress,
+};
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.h b/arch/powerpc/platforms/83xx/mpc834x_itx.h
new file mode 100644
index 000000000000..174ca4ef55f3
--- /dev/null
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.h
@@ -0,0 +1,23 @@
+/*
+ * arch/powerpc/platforms/83xx/mpc834x_itx.h
+ *
+ * MPC834X ITX common board definitions
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MACH_MPC83XX_ITX_H__
+#define __MACH_MPC83XX_ITX_H__
+
+#define PIRQA   MPC83xx_IRQ_EXT4
+#define PIRQB   MPC83xx_IRQ_EXT5
+#define PIRQC   MPC83xx_IRQ_EXT6
+#define PIRQD   MPC83xx_IRQ_EXT7
+
+#endif                          /* __MACH_MPC83XX_ITX_H__ */
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index 880c8083d16f..9d5da7896892 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -1,6 +1,9 @@
 /*
  * Cell Internal Interrupt Controller
  *
+ * Copyright (C) 2006 Benjamin Herrenschmidt (benh@kernel.crashing.org)
+ *                    IBM, Corp.
+ *
  * (C) Copyright IBM Deutschland Entwicklung GmbH 2005
  *
  * Author: Arnd Bergmann <arndb@de.ibm.com>
@@ -25,11 +28,13 @@
 #include <linux/module.h>
 #include <linux/percpu.h>
 #include <linux/types.h>
+#include <linux/ioport.h>
 
 #include <asm/io.h>
 #include <asm/pgtable.h>
 #include <asm/prom.h>
 #include <asm/ptrace.h>
+#include <asm/machdep.h>
 
 #include "interrupt.h"
 #include "cbe_regs.h"
@@ -37,231 +42,65 @@
 struct iic {
         struct cbe_iic_thread_regs __iomem *regs;
         u8 target_id;
+        u8 eoi_stack[16];
+        int eoi_ptr;
+        struct irq_host *host;
 };
 
 static DEFINE_PER_CPU(struct iic, iic);
+#define IIC_NODE_COUNT  2
+static struct irq_host *iic_hosts[IIC_NODE_COUNT];
 
-void iic_local_enable(void)
+/* Convert between "pending" bits and hw irq number */
+static irq_hw_number_t iic_pending_to_hwnum(struct cbe_iic_pending_bits bits)
 {
-        struct iic *iic = &__get_cpu_var(iic);
-        u64 tmp;
-
-        /*
-         * There seems to be a bug that is present in DD2.x CPUs
-         * and still only partially fixed in DD3.1.
-         * This bug causes a value written to the priority register
-         * not to make it there, resulting in a system hang unless we
-         * write it again.
-         * Masking with 0xf0 is done because the Cell BE does not
-         * implement the lower four bits of the interrupt priority,
-         * they always read back as zeroes, although future CPUs
-         * might implement different bits.
-         */
-        do {
-                out_be64(&iic->regs->prio, 0xff);
-                tmp = in_be64(&iic->regs->prio);
-        } while ((tmp & 0xf0) != 0xf0);
-}
-
-void iic_local_disable(void)
-{
-        out_be64(&__get_cpu_var(iic).regs->prio, 0x0);
-}
+        unsigned char unit = bits.source & 0xf;
 
-static unsigned int iic_startup(unsigned int irq)
-{
-        return 0;
+        if (bits.flags & CBE_IIC_IRQ_IPI)
+                return IIC_IRQ_IPI0 | (bits.prio >> 4);
+        else if (bits.class <= 3)
+                return (bits.class << 4) | unit;
+        else
+                return IIC_IRQ_INVALID;
 }
 
-static void iic_enable(unsigned int irq)
+static void iic_mask(unsigned int irq)
 {
-        iic_local_enable();
 }
 
-static void iic_disable(unsigned int irq)
+static void iic_unmask(unsigned int irq)
 {
 }
 
-static void iic_end(unsigned int irq)
+static void iic_eoi(unsigned int irq)
 {
-        iic_local_enable();
+        struct iic *iic = &__get_cpu_var(iic);
+        out_be64(&iic->regs->prio, iic->eoi_stack[--iic->eoi_ptr]);
+        BUG_ON(iic->eoi_ptr < 0);
 }
 
-static struct hw_interrupt_type iic_pic = {
+static struct irq_chip iic_chip = {
         .typename = " CELL-IIC ",
-        .startup = iic_startup,
-        .enable = iic_enable,
-        .disable = iic_disable,
-        .end = iic_end,
+        .mask = iic_mask,
+        .unmask = iic_unmask,
+        .eoi = iic_eoi,
 };
 
-static int iic_external_get_irq(struct cbe_iic_pending_bits pending)
-{
-        int irq;
-        unsigned char node, unit;
-
-        node = pending.source >> 4;
-        unit = pending.source & 0xf;
-        irq = -1;
-
-        /*
-         * This mapping is specific to the Cell Broadband
-         * Engine. We might need to get the numbers
-         * from the device tree to support future CPUs.
-         */
-        switch (unit) {
-        case 0x00:
-        case 0x0b:
-                /*
-                 * One of these units can be connected
-                 * to an external interrupt controller.
-                 */
-                if (pending.class != 2)
-                        break;
-                irq = IIC_EXT_OFFSET
-                        + spider_get_irq(node)
-                        + node * IIC_NODE_STRIDE;
-                break;
-        case 0x01 ... 0x04:
-        case 0x07 ... 0x0a:
-                /*
-                 * These units are connected to the SPEs
-                 */
-                if (pending.class > 2)
-                        break;
-                irq = IIC_SPE_OFFSET
-                        + pending.class * IIC_CLASS_STRIDE
-                        + node * IIC_NODE_STRIDE
-                        + unit;
-                break;
-        }
-        if (irq == -1)
-                printk(KERN_WARNING "Unexpected interrupt class %02x, "
-                        "source %02x, prio %02x, cpu %02x\n", pending.class,
-                        pending.source, pending.prio, smp_processor_id());
-        return irq;
-}
-
 /* Get an IRQ number from the pending state register of the IIC */
-int iic_get_irq(struct pt_regs *regs)
+static unsigned int iic_get_irq(struct pt_regs *regs)
 {
-        struct iic *iic;
-        int irq;
-        struct cbe_iic_pending_bits pending;
-
-        iic = &__get_cpu_var(iic);
-        *(unsigned long *) &pending = 
-                in_be64((unsigned long __iomem *) &iic->regs->pending_destr);
-
-        irq = -1;
-        if (pending.flags & CBE_IIC_IRQ_VALID) {
-                if (pending.flags & CBE_IIC_IRQ_IPI) {
-                        irq = IIC_IPI_OFFSET + (pending.prio >> 4);
-/*
-                        if (irq > 0x80)
-                                printk(KERN_WARNING "Unexpected IPI prio %02x"
-                                        "on CPU %02x\n", pending.prio,
-                                                        smp_processor_id());
-*/
-                } else {
-                        irq = iic_external_get_irq(pending);
-                }
-        }
-        return irq;
-}
-
-/* hardcoded part to be compatible with older firmware */
-
-static int setup_iic_hardcoded(void)
-{
-        struct device_node *np;
-        int nodeid, cpu;
-        unsigned long regs;
-        struct iic *iic;
-
-        for_each_possible_cpu(cpu) {
-                iic = &per_cpu(iic, cpu);
-                nodeid = cpu/2;
-
-                for (np = of_find_node_by_type(NULL, "cpu");
-                     np;
-                     np = of_find_node_by_type(np, "cpu")) {
-                        if (nodeid == *(int *)get_property(np, "node-id", NULL))
-                                break;
-                        }
-
-                if (!np) {
-                        printk(KERN_WARNING "IIC: CPU %d not found\n", cpu);
-                        iic->regs = NULL;
-                        iic->target_id = 0xff;
-                        return -ENODEV;
-                        }
-
-                regs = *(long *)get_property(np, "iic", NULL);
-
-                /* hack until we have decided on the devtree info */
-                regs += 0x400;
-                if (cpu & 1)
-                        regs += 0x20;
-
-                printk(KERN_INFO "IIC for CPU %d at %lx\n", cpu, regs);
-                iic->regs = ioremap(regs, sizeof(struct cbe_iic_thread_regs));
-                iic->target_id = (nodeid << 4) + ((cpu & 1) ? 0xf : 0xe);
-        }
-
-        return 0;
-}
-
-static int setup_iic(void)
-{
-        struct device_node *dn;
-        unsigned long *regs;
-        char *compatible;
-        unsigned *np, found = 0;
-        struct iic *iic = NULL;
-
-        for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) {
-                compatible = (char *)get_property(dn, "compatible", NULL);
-
-                if (!compatible) {
-                        printk(KERN_WARNING "no compatible property found !\n");
-                        continue;
-                }
-
-                if (strstr(compatible, "IBM,CBEA-Internal-Interrupt-Controller"))
-                        regs = (unsigned long *)get_property(dn,"reg", NULL);
-                else
-                        continue;
-
-                if (!regs)
-                        printk(KERN_WARNING "IIC: no reg property\n");
-
-                np = (unsigned int *)get_property(dn, "ibm,interrupt-server-ranges", NULL);
-
-                if (!np) {
-                        printk(KERN_WARNING "IIC: CPU association not found\n");
-                        iic->regs = NULL;
-                        iic->target_id = 0xff;
-                        return -ENODEV;
-                }
-
-                iic = &per_cpu(iic, np[0]);
-                iic->regs = ioremap(regs[0], sizeof(struct cbe_iic_thread_regs));
-                iic->target_id = ((np[0] & 2) << 3) + ((np[0] & 1) ? 0xf : 0xe);
-                printk("IIC for CPU %d at %lx mapped to %p\n", np[0], regs[0], iic->regs);
-
-                iic = &per_cpu(iic, np[1]);
-                iic->regs = ioremap(regs[2], sizeof(struct cbe_iic_thread_regs));
-                iic->target_id = ((np[1] & 2) << 3) + ((np[1] & 1) ? 0xf : 0xe);
-                printk("IIC for CPU %d at %lx mapped to %p\n", np[1], regs[2], iic->regs);
-
-                found++;
-        }
-
-        if (found)
-                return 0;
-        else
-                return -ENODEV;
+        struct cbe_iic_pending_bits pending;
+        struct iic *iic;
+
+        iic = &__get_cpu_var(iic);
+        *(unsigned long *) &pending =
+                in_be64((unsigned long __iomem *) &iic->regs->pending_destr);
+        iic->eoi_stack[++iic->eoi_ptr] = pending.prio;
+        BUG_ON(iic->eoi_ptr > 15);
+        if (pending.flags & CBE_IIC_IRQ_VALID)
+                return irq_linear_revmap(iic->host,
+                                         iic_pending_to_hwnum(pending));
+        return NO_IRQ;
 }
 
 #ifdef CONFIG_SMP
@@ -269,12 +108,12 @@ static int setup_iic(void)
 /* Use the highest interrupt priorities for IPI */
 static inline int iic_ipi_to_irq(int ipi)
 {
-        return IIC_IPI_OFFSET + IIC_NUM_IPIS - 1 - ipi;
+        return IIC_IRQ_IPI0 + IIC_NUM_IPIS - 1 - ipi;
 }
 
 static inline int iic_irq_to_ipi(int irq)
 {
-        return IIC_NUM_IPIS - 1 - (irq - IIC_IPI_OFFSET);
+        return IIC_NUM_IPIS - 1 - (irq - IIC_IRQ_IPI0);
 }
 
 void iic_setup_cpu(void)
@@ -293,22 +132,51 @@ u8 iic_get_target_id(int cpu)
 }
 EXPORT_SYMBOL_GPL(iic_get_target_id);
 
+struct irq_host *iic_get_irq_host(int node)
+{
+        if (node < 0 || node >= IIC_NODE_COUNT)
+                return NULL;
+        return iic_hosts[node];
+}
+EXPORT_SYMBOL_GPL(iic_get_irq_host);
+
+
 static irqreturn_t iic_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
 {
-        smp_message_recv(iic_irq_to_ipi(irq), regs);
+        int ipi = (int)(long)dev_id;
+
+        smp_message_recv(ipi, regs);
+
         return IRQ_HANDLED;
 }
 
 static void iic_request_ipi(int ipi, const char *name)
 {
-        int irq;
-
-        irq = iic_ipi_to_irq(ipi);
-        /* IPIs are marked SA_INTERRUPT as they must run with irqs
-         * disabled */
-        get_irq_desc(irq)->chip = &iic_pic;
-        get_irq_desc(irq)->status |= IRQ_PER_CPU;
-        request_irq(irq, iic_ipi_action, SA_INTERRUPT, name, NULL);
+        int node, virq;
+
+        for (node = 0; node < IIC_NODE_COUNT; node++) {
+                char *rname;
+                if (iic_hosts[node] == NULL)
+                        continue;
+                virq = irq_create_mapping(iic_hosts[node],
+                                          iic_ipi_to_irq(ipi), 0);
+                if (virq == NO_IRQ) {
+                        printk(KERN_ERR
+                               "iic: failed to map IPI %s on node %d\n",
+                               name, node);
+                        continue;
+                }
+                rname = kzalloc(strlen(name) + 16, GFP_KERNEL);
+                if (rname)
+                        sprintf(rname, "%s node %d", name, node);
+                else
+                        rname = (char *)name;
+                if (request_irq(virq, iic_ipi_action, IRQF_DISABLED,
+                                rname, (void *)(long)ipi))
+                        printk(KERN_ERR
+                               "iic: failed to request IPI %s on node %d\n",
+                               name, node);
+        }
 }
 
 void iic_request_IPIs(void)
@@ -319,34 +187,119 @@ void iic_request_IPIs(void)
         iic_request_ipi(PPC_MSG_DEBUGGER_BREAK, "IPI-debug");
 #endif /* CONFIG_DEBUGGER */
 }
+
 #endif /* CONFIG_SMP */
 
-static void iic_setup_spe_handlers(void)
+
+static int iic_host_match(struct irq_host *h, struct device_node *node)
+{
+        return h->host_data != NULL && node == h->host_data;
+}
+
+static int iic_host_map(struct irq_host *h, unsigned int virq,
+                        irq_hw_number_t hw, unsigned int flags)
+{
+        if (hw < IIC_IRQ_IPI0)
+                set_irq_chip_and_handler(virq, &iic_chip, handle_fasteoi_irq);
+        else
+                set_irq_chip_and_handler(virq, &iic_chip, handle_percpu_irq);
+        return 0;
+}
+
+static int iic_host_xlate(struct irq_host *h, struct device_node *ct,
+                           u32 *intspec, unsigned int intsize,
+                           irq_hw_number_t *out_hwirq, unsigned int *out_flags)
+
+{
+        /* Currently, we don't translate anything. That needs to be fixed as
+         * we get better defined device-trees. iic interrupts have to be
+         * explicitely mapped by whoever needs them
+         */
+        return -ENODEV;
+}
+
+static struct irq_host_ops iic_host_ops = {
+        .match = iic_host_match,
+        .map = iic_host_map,
+        .xlate = iic_host_xlate,
+};
+
+static void __init init_one_iic(unsigned int hw_cpu, unsigned long addr,
+                                struct irq_host *host)
 {
-        int be, isrc;
+        /* XXX FIXME: should locate the linux CPU number from the HW cpu
+         * number properly. We are lucky for now
+         */
+        struct iic *iic = &per_cpu(iic, hw_cpu);
+
+        iic->regs = ioremap(addr, sizeof(struct cbe_iic_thread_regs));
+        BUG_ON(iic->regs == NULL);
 
-        /* Assume two threads per BE are present */
-        for (be=0; be < num_present_cpus() / 2; be++) {
-                for (isrc = 0; isrc < IIC_CLASS_STRIDE * 3; isrc++) {
-                        int irq = IIC_NODE_STRIDE * be + IIC_SPE_OFFSET + isrc;
-                        get_irq_desc(irq)->chip = &iic_pic;
+        iic->target_id = ((hw_cpu & 2) << 3) | ((hw_cpu & 1) ? 0xf : 0xe);
+        iic->eoi_stack[0] = 0xff;
+        iic->host = host;
+        out_be64(&iic->regs->prio, 0);
+
+        printk(KERN_INFO "IIC for CPU %d at %lx mapped to %p, target id 0x%x\n",
+               hw_cpu, addr, iic->regs, iic->target_id);
+}
+
+static int __init setup_iic(void)
+{
+        struct device_node *dn;
+        struct resource r0, r1;
+        struct irq_host *host;
+        int found = 0;
+        u32 *np;
+
+        for (dn = NULL;
+             (dn = of_find_node_by_name(dn,"interrupt-controller")) != NULL;) {
+                if (!device_is_compatible(dn,
+                                     "IBM,CBEA-Internal-Interrupt-Controller"))
+                        continue;
+                np = (u32 *)get_property(dn, "ibm,interrupt-server-ranges",
+                                         NULL);
+                if (np == NULL) {
+                        printk(KERN_WARNING "IIC: CPU association not found\n");
+                        of_node_put(dn);
+                        return -ENODEV;
+                }
+                if (of_address_to_resource(dn, 0, &r0) ||
+                    of_address_to_resource(dn, 1, &r1)) {
+                        printk(KERN_WARNING "IIC: Can't resolve addresses\n");
+                        of_node_put(dn);
+                        return -ENODEV;
                 }
+                host = NULL;
+                if (found < IIC_NODE_COUNT) {
+                        host = irq_alloc_host(IRQ_HOST_MAP_LINEAR,
+                                              IIC_SOURCE_COUNT,
+                                              &iic_host_ops,
+                                              IIC_IRQ_INVALID);
+                        iic_hosts[found] = host;
+                        BUG_ON(iic_hosts[found] == NULL);
+                        iic_hosts[found]->host_data = of_node_get(dn);
+                        found++;
+                }
+                init_one_iic(np[0], r0.start, host);
+                init_one_iic(np[1], r1.start, host);
         }
+
+        if (found)
+                return 0;
+        else
+                return -ENODEV;
 }
 
-void iic_init_IRQ(void)
+void __init iic_init_IRQ(void)
 {
-        int cpu, irq_offset;
-        struct iic *iic;
-
+        /* Discover and initialize iics */
         if (setup_iic() < 0)
-                setup_iic_hardcoded();
+                panic("IIC: Failed to initialize !\n");
 
-        irq_offset = 0;
-        for_each_possible_cpu(cpu) {
-                iic = &per_cpu(iic, cpu);
-                if (iic->regs)
-                        out_be64(&iic->regs->prio, 0xff);
-        }
-        iic_setup_spe_handlers();
+        /* Set master interrupt handling function */
+        ppc_md.get_irq = iic_get_irq;
+
+        /* Enable on current CPU */
+        iic_setup_cpu();
 }
diff --git a/arch/powerpc/platforms/cell/interrupt.h b/arch/powerpc/platforms/cell/interrupt.h
index 799f77d98f96..5560a92ec3ab 100644
--- a/arch/powerpc/platforms/cell/interrupt.h
+++ b/arch/powerpc/platforms/cell/interrupt.h
@@ -37,27 +37,24 @@
  */
 
 enum {
-        IIC_EXT_OFFSET   = 0x00, /* Start of south bridge IRQs */
-        IIC_NUM_EXT      = 0x40, /* Number of south bridge IRQs */
-        IIC_SPE_OFFSET   = 0x40, /* Start of SPE interrupts */
-        IIC_CLASS_STRIDE = 0x10, /* SPE IRQs per class    */
-        IIC_IPI_OFFSET   = 0x70, /* Start of IPI IRQs */
-        IIC_NUM_IPIS     = 0x10, /* IRQs reserved for IPI */
-        IIC_NODE_STRIDE  = 0x80, /* Total IRQs per node   */
+        IIC_IRQ_INVALID         = 0xff,
+        IIC_IRQ_MAX             = 0x3f,
+        IIC_IRQ_EXT_IOIF0       = 0x20,
+        IIC_IRQ_EXT_IOIF1       = 0x2b,
+        IIC_IRQ_IPI0            = 0x40,
+        IIC_NUM_IPIS            = 0x10, /* IRQs reserved for IPI */
+        IIC_SOURCE_COUNT        = 0x50,
 };
 
 extern void iic_init_IRQ(void);
-extern int  iic_get_irq(struct pt_regs *regs);
 extern void iic_cause_IPI(int cpu, int mesg);
 extern void iic_request_IPIs(void);
 extern void iic_setup_cpu(void);
-extern void iic_local_enable(void);
-extern void iic_local_disable(void);
 
 extern u8 iic_get_target_id(int cpu);
+extern struct irq_host *iic_get_irq_host(int node);
 
 extern void spider_init_IRQ(void);
-extern int spider_get_irq(int node);
 
 #endif
 #endif /* ASM_CELL_PIC_H */
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index d8c2a29b3c15..282987d6d4a2 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -49,6 +49,7 @@
 #include <asm/irq.h>
 #include <asm/spu.h>
 #include <asm/spu_priv1.h>
+#include <asm/udbg.h>
 
 #include "interrupt.h"
 #include "iommu.h"
@@ -79,10 +80,22 @@ static void cell_progress(char *s, unsigned short hex)
         printk("*** %04x : %s\n", hex, s ? s : "");
 }
 
+static void __init cell_pcibios_fixup(void)
+{
+        struct pci_dev *dev = NULL;
+
+        for_each_pci_dev(dev)
+                pci_read_irq_line(dev);
+}
+
+static void __init cell_init_irq(void)
+{
+        iic_init_IRQ();
+        spider_init_IRQ();
+}
+
 static void __init cell_setup_arch(void)
 {
-        ppc_md.init_IRQ       = iic_init_IRQ;
-        ppc_md.get_irq        = iic_get_irq;
 #ifdef CONFIG_SPU_BASE
         spu_priv1_ops         = &spu_priv1_mmio_ops;
 #endif
@@ -108,7 +121,6 @@ static void __init cell_setup_arch(void)
         /* Find and initialize PCI host bridges */
         init_pci_config_tokens();
         find_and_init_phbs();
-        spider_init_IRQ();
         cbe_pervasive_init();
 #ifdef CONFIG_DUMMY_CONSOLE
         conswitchp = &dummy_con;
@@ -126,8 +138,6 @@ static void __init cell_init_early(void)
 
         cell_init_iommu();
 
-        ppc64_interrupt_controller = IC_CELL_PIC;
-
         DBG(" <- cell_init_early()\n");
 }
 
@@ -173,6 +183,8 @@ define_machine(cell) {
         .calibrate_decr         = generic_calibrate_decr,
         .check_legacy_ioport    = cell_check_legacy_ioport,
         .progress               = cell_progress,
+        .init_IRQ               = cell_init_irq,
+        .pcibios_fixup          = cell_pcibios_fixup,
 #ifdef CONFIG_KEXEC
         .machine_kexec          = default_machine_kexec,
         .machine_kexec_prepare  = default_machine_kexec_prepare,
diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index 7c3a0b6d34fd..ae7ef88f1a37 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -22,6 +22,7 @@
 
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/ioport.h>
 
 #include <asm/pgtable.h>
 #include <asm/prom.h>
@@ -56,184 +57,313 @@ enum {
         REISWAITEN      = 0x508, /* Reissue Wait Control*/
 };
 
-static void __iomem *spider_pics[4];
+#define SPIDER_CHIP_COUNT       4
+#define SPIDER_SRC_COUNT        64
+#define SPIDER_IRQ_INVALID      63
 
-static void __iomem *spider_get_pic(int irq)
-{
-        int node = irq / IIC_NODE_STRIDE;
-        irq %= IIC_NODE_STRIDE;
-
-        if (irq >= IIC_EXT_OFFSET &&
-            irq < IIC_EXT_OFFSET + IIC_NUM_EXT &&
-            spider_pics)
-                return spider_pics[node];
-        return NULL;
-}
+struct spider_pic {
+        struct irq_host         *host;
+        struct device_node      *of_node;
+        void __iomem            *regs;
+        unsigned int            node_id;
+};
+static struct spider_pic spider_pics[SPIDER_CHIP_COUNT];
 
-static int spider_get_nr(unsigned int irq)
+static struct spider_pic *spider_virq_to_pic(unsigned int virq)
 {
-        return (irq % IIC_NODE_STRIDE) - IIC_EXT_OFFSET;
+        return irq_map[virq].host->host_data;
 }
 
-static void __iomem *spider_get_irq_config(int irq)
+static void __iomem *spider_get_irq_config(struct spider_pic *pic,
+                                           unsigned int src)
 {
-        void __iomem *pic;
-        pic = spider_get_pic(irq);
-        return pic + TIR_CFGA + 8 * spider_get_nr(irq);
+        return pic->regs + TIR_CFGA + 8 * src;
 }
 
-static void spider_enable_irq(unsigned int irq)
+static void spider_unmask_irq(unsigned int virq)
 {
-        int nodeid = (irq / IIC_NODE_STRIDE) * 0x10;
-        void __iomem *cfg = spider_get_irq_config(irq);
-        irq = spider_get_nr(irq);
+        struct spider_pic *pic = spider_virq_to_pic(virq);
+        void __iomem *cfg = spider_get_irq_config(pic, irq_map[virq].hwirq);
 
-        out_be32(cfg, (in_be32(cfg) & ~0xf0)| 0x3107000eu | nodeid);
-        out_be32(cfg + 4, in_be32(cfg + 4) | 0x00020000u | irq);
+        /* We use no locking as we should be covered by the descriptor lock
+         * for access to invidual source configuration registers
+         */
+        out_be32(cfg, in_be32(cfg) | 0x30000000u);
 }
 
-static void spider_disable_irq(unsigned int irq)
+static void spider_mask_irq(unsigned int virq)
 {
-        void __iomem *cfg = spider_get_irq_config(irq);
-        irq = spider_get_nr(irq);
+        struct spider_pic *pic = spider_virq_to_pic(virq);
+        void __iomem *cfg = spider_get_irq_config(pic, irq_map[virq].hwirq);
 
+        /* We use no locking as we should be covered by the descriptor lock
+         * for access to invidual source configuration registers
+         */
         out_be32(cfg, in_be32(cfg) & ~0x30000000u);
 }
 
-static unsigned int spider_startup_irq(unsigned int irq)
+static void spider_ack_irq(unsigned int virq)
 {
-        spider_enable_irq(irq);
-        return 0;
-}
+        struct spider_pic *pic = spider_virq_to_pic(virq);
+        unsigned int src = irq_map[virq].hwirq;
 
-static void spider_shutdown_irq(unsigned int irq)
-{
-        spider_disable_irq(irq);
-}
+        /* Reset edge detection logic if necessary
+         */
+        if (get_irq_desc(virq)->status & IRQ_LEVEL)
+                return;
 
-static void spider_end_irq(unsigned int irq)
-{
-        spider_enable_irq(irq);
-}
+        /* Only interrupts 47 to 50 can be set to edge */
+        if (src < 47 || src > 50)
+                return;
 
-static void spider_ack_irq(unsigned int irq)
-{
-        spider_disable_irq(irq);
-        iic_local_enable();
+        /* Perform the clear of the edge logic */
+        out_be32(pic->regs + TIR_EDC, 0x100 | (src & 0xf));
 }
 
-static struct hw_interrupt_type spider_pic = {
+static struct irq_chip spider_pic = {
         .typename = " SPIDER   ",
-        .startup = spider_startup_irq,
-        .shutdown = spider_shutdown_irq,
-        .enable = spider_enable_irq,
-        .disable = spider_disable_irq,
+        .unmask = spider_unmask_irq,
+        .mask = spider_mask_irq,
         .ack = spider_ack_irq,
-        .end = spider_end_irq,
 };
 
-int spider_get_irq(int node)
+static int spider_host_match(struct irq_host *h, struct device_node *node)
 {
-        unsigned long cs;
-        void __iomem *regs = spider_pics[node];
-
-        cs = in_be32(regs + TIR_CS) >> 24;
-
-        if (cs == 63)
-                return -1;
-        else
-                return cs;
+        struct spider_pic *pic = h->host_data;
+        return node == pic->of_node;
 }
 
-/* hardcoded part to be compatible with older firmware */
-
-void spider_init_IRQ_hardcoded(void)
+static int spider_host_map(struct irq_host *h, unsigned int virq,
+                        irq_hw_number_t hw, unsigned int flags)
 {
-        int node;
-        long spiderpic;
-        long pics[] = { 0x24000008000, 0x34000008000 };
-        int n;
-
-        pr_debug("%s(%d): Using hardcoded defaults\n", __FUNCTION__, __LINE__);
-
-        for (node = 0; node < num_present_cpus()/2; node++) {
-                spiderpic = pics[node];
-                printk(KERN_DEBUG "SPIDER addr: %lx\n", spiderpic);
-                spider_pics[node] = ioremap(spiderpic, 0x800);
-                for (n = 0; n < IIC_NUM_EXT; n++) {
-                        int irq = n + IIC_EXT_OFFSET + node * IIC_NODE_STRIDE;
-                        get_irq_desc(irq)->chip = &spider_pic;
-                }
-
-                /* do not mask any interrupts because of level */
-                out_be32(spider_pics[node] + TIR_MSK, 0x0);
-
-                /* disable edge detection clear */
-                /* out_be32(spider_pics[node] + TIR_EDC, 0x0); */
-
-                /* enable interrupt packets to be output */
-                out_be32(spider_pics[node] + TIR_PIEN,
-                        in_be32(spider_pics[node] + TIR_PIEN) | 0x1);
-
-                /* Enable the interrupt detection enable bit. Do this last! */
-                out_be32(spider_pics[node] + TIR_DEN,
-                        in_be32(spider_pics[node] + TIR_DEN) | 0x1);
+        unsigned int sense = flags & IRQ_TYPE_SENSE_MASK;
+        struct spider_pic *pic = h->host_data;
+        void __iomem *cfg = spider_get_irq_config(pic, hw);
+        int level = 0;
+        u32 ic;
+
+        /* Note that only level high is supported for most interrupts */
+        if (sense != IRQ_TYPE_NONE && sense != IRQ_TYPE_LEVEL_HIGH &&
+            (hw < 47 || hw > 50))
+                return -EINVAL;
+
+        /* Decode sense type */
+        switch(sense) {
+        case IRQ_TYPE_EDGE_RISING:
+                ic = 0x3;
+                break;
+        case IRQ_TYPE_EDGE_FALLING:
+                ic = 0x2;
+                break;
+        case IRQ_TYPE_LEVEL_LOW:
+                ic = 0x0;
+                level = 1;
+                break;
+        case IRQ_TYPE_LEVEL_HIGH:
+        case IRQ_TYPE_NONE:
+                ic = 0x1;
+                level = 1;
+                break;
+        default:
+                return -EINVAL;
         }
-}
 
-void spider_init_IRQ(void)
-{
-        long spider_reg;
-        struct device_node *dn;
-        char *compatible;
-        int n, node = 0;
+        /* Configure the source. One gross hack that was there before and
+         * that I've kept around is the priority to the BE which I set to
+         * be the same as the interrupt source number. I don't know wether
+         * that's supposed to make any kind of sense however, we'll have to
+         * decide that, but for now, I'm not changing the behaviour.
+         */
+        out_be32(cfg, (ic << 24) | (0x7 << 16) | (pic->node_id << 4) | 0xe);
+        out_be32(cfg + 4, (0x2 << 16) | (hw & 0xff));
+
+        if (level)
+                get_irq_desc(virq)->status |= IRQ_LEVEL;
+        set_irq_chip_and_handler(virq, &spider_pic, handle_level_irq);
+        return 0;
+}
 
-        for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) {
-                compatible = (char *)get_property(dn, "compatible", NULL);
+static int spider_host_xlate(struct irq_host *h, struct device_node *ct,
+                           u32 *intspec, unsigned int intsize,
+                           irq_hw_number_t *out_hwirq, unsigned int *out_flags)
 
-                if (!compatible)
-                        continue;
+{
+        /* Spider interrupts have 2 cells, first is the interrupt source,
+         * second, well, I don't know for sure yet ... We mask the top bits
+         * because old device-trees encode a node number in there
+         */
+        *out_hwirq = intspec[0] & 0x3f;
+        *out_flags = IRQ_TYPE_LEVEL_HIGH;
+        return 0;
+}
 
-                if (strstr(compatible, "CBEA,platform-spider-pic"))
-                        spider_reg = *(long *)get_property(dn,"reg", NULL);
-                else if (strstr(compatible, "sti,platform-spider-pic")) {
-                        spider_init_IRQ_hardcoded();
-                        return;
-                } else
-                        continue;
+static struct irq_host_ops spider_host_ops = {
+        .match = spider_host_match,
+        .map = spider_host_map,
+        .xlate = spider_host_xlate,
+};
 
-                if (!spider_reg)
-                        printk("interrupt controller does not have reg property !\n");
+static void spider_irq_cascade(unsigned int irq, struct irq_desc *desc,
+                               struct pt_regs *regs)
+{
+        struct spider_pic *pic = desc->handler_data;
+        unsigned int cs, virq;
 
-                n = prom_n_addr_cells(dn);
+        cs = in_be32(pic->regs + TIR_CS) >> 24;
+        if (cs == SPIDER_IRQ_INVALID)
+                virq = NO_IRQ;
+        else
+                virq = irq_linear_revmap(pic->host, cs);
+        if (virq != NO_IRQ)
+                generic_handle_irq(virq, regs);
+        desc->chip->eoi(irq);
+}
 
-                if ( n != 2)
-                        printk("reg property with invalid number of elements \n");
+/* For hooking up the cascace we have a problem. Our device-tree is
+ * crap and we don't know on which BE iic interrupt we are hooked on at
+ * least not the "standard" way. We can reconstitute it based on two
+ * informations though: which BE node we are connected to and wether
+ * we are connected to IOIF0 or IOIF1. Right now, we really only care
+ * about the IBM cell blade and we know that its firmware gives us an
+ * interrupt-map property which is pretty strange.
+ */
+static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic)
+{
+        unsigned int virq;
+        u32 *imap, *tmp;
+        int imaplen, intsize, unit;
+        struct device_node *iic;
+        struct irq_host *iic_host;
+
+#if 0 /* Enable that when we have a way to retreive the node as well */
+        /* First, we check wether we have a real "interrupts" in the device
+         * tree in case the device-tree is ever fixed
+         */
+        struct of_irq oirq;
+        if (of_irq_map_one(pic->of_node, 0, &oirq) == 0) {
+                virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
+                                             oirq.size);
+                goto bail;
+        }
+#endif
+
+        /* Now do the horrible hacks */
+        tmp = (u32 *)get_property(pic->of_node, "#interrupt-cells", NULL);
+        if (tmp == NULL)
+                return NO_IRQ;
+        intsize = *tmp;
+        imap = (u32 *)get_property(pic->of_node, "interrupt-map", &imaplen);
+        if (imap == NULL || imaplen < (intsize + 1))
+                return NO_IRQ;
+        iic = of_find_node_by_phandle(imap[intsize]);
+        if (iic == NULL)
+                return NO_IRQ;
+        imap += intsize + 1;
+        tmp = (u32 *)get_property(iic, "#interrupt-cells", NULL);
+        if (tmp == NULL)
+                return NO_IRQ;
+        intsize = *tmp;
+        /* Assume unit is last entry of interrupt specifier */
+        unit = imap[intsize - 1];
+        /* Ok, we have a unit, now let's try to get the node */
+        tmp = (u32 *)get_property(iic, "ibm,interrupt-server-ranges", NULL);
+        if (tmp == NULL) {
+                of_node_put(iic);
+                return NO_IRQ;
+        }
+        /* ugly as hell but works for now */
+        pic->node_id = (*tmp) >> 1;
+        of_node_put(iic);
+
+        /* Ok, now let's get cracking. You may ask me why I just didn't match
+         * the iic host from the iic OF node, but that way I'm still compatible
+         * with really really old old firmwares for which we don't have a node
+         */
+        iic_host = iic_get_irq_host(pic->node_id);
+        if (iic_host == NULL)
+                return NO_IRQ;
+        /* Manufacture an IIC interrupt number of class 2 */
+        virq = irq_create_mapping(iic_host, 0x20 | unit, 0);
+        if (virq == NO_IRQ)
+                printk(KERN_ERR "spider_pic: failed to map cascade !");
+        return virq;
+}
 
-                spider_pics[node] = ioremap(spider_reg, 0x800);
 
-                printk("SPIDER addr: %lx with %i addr_cells mapped to %p\n",
-                       spider_reg, n, spider_pics[node]);
+static void __init spider_init_one(struct device_node *of_node, int chip,
+                                   unsigned long addr)
+{
+        struct spider_pic *pic = &spider_pics[chip];
+        int i, virq;
+
+        /* Map registers */
+        pic->regs = ioremap(addr, 0x1000);
+        if (pic->regs == NULL)
+                panic("spider_pic: can't map registers !");
+
+        /* Allocate a host */
+        pic->host = irq_alloc_host(IRQ_HOST_MAP_LINEAR, SPIDER_SRC_COUNT,
+                                   &spider_host_ops, SPIDER_IRQ_INVALID);
+        if (pic->host == NULL)
+                panic("spider_pic: can't allocate irq host !");
+        pic->host->host_data = pic;
+
+        /* Fill out other bits */
+        pic->of_node = of_node_get(of_node);
+
+        /* Go through all sources and disable them */
+        for (i = 0; i < SPIDER_SRC_COUNT; i++) {
+                void __iomem *cfg = pic->regs + TIR_CFGA + 8 * i;
+                out_be32(cfg, in_be32(cfg) & ~0x30000000u);
+        }
 
-                for (n = 0; n < IIC_NUM_EXT; n++) {
-                        int irq = n + IIC_EXT_OFFSET + node * IIC_NODE_STRIDE;
-                        get_irq_desc(irq)->chip = &spider_pic;
-                }
+        /* do not mask any interrupts because of level */
+        out_be32(pic->regs + TIR_MSK, 0x0);
 
-                /* do not mask any interrupts because of level */
-                out_be32(spider_pics[node] + TIR_MSK, 0x0);
+        /* enable interrupt packets to be output */
+        out_be32(pic->regs + TIR_PIEN, in_be32(pic->regs + TIR_PIEN) | 0x1);
 
-                /* disable edge detection clear */
-                /* out_be32(spider_pics[node] + TIR_EDC, 0x0); */
+        /* Hook up the cascade interrupt to the iic and nodeid */
+        virq = spider_find_cascade_and_node(pic);
+        if (virq == NO_IRQ)
+                return;
+        set_irq_data(virq, pic);
+        set_irq_chained_handler(virq, spider_irq_cascade);
 
-                /* enable interrupt packets to be output */
-                out_be32(spider_pics[node] + TIR_PIEN,
-                        in_be32(spider_pics[node] + TIR_PIEN) | 0x1);
+        printk(KERN_INFO "spider_pic: node %d, addr: 0x%lx %s\n",
+               pic->node_id, addr, of_node->full_name);
 
-                /* Enable the interrupt detection enable bit. Do this last! */
-                out_be32(spider_pics[node] + TIR_DEN,
-                        in_be32(spider_pics[node] + TIR_DEN) | 0x1);
+        /* Enable the interrupt detection enable bit. Do this last! */
+        out_be32(pic->regs + TIR_DEN, in_be32(pic->regs + TIR_DEN) | 0x1);
+}
 
-                node++;
+void __init spider_init_IRQ(void)
+{
+        struct resource r;
+        struct device_node *dn;
+        int chip = 0;
+
+        /* XXX node numbers are totally bogus. We _hope_ we get the device
+         * nodes in the right order here but that's definitely not guaranteed,
+         * we need to get the node from the device tree instead.
+         * There is currently no proper property for it (but our whole
+         * device-tree is bogus anyway) so all we can do is pray or maybe test
+         * the address and deduce the node-id
+         */
+        for (dn = NULL;
+             (dn = of_find_node_by_name(dn, "interrupt-controller"));) {
+                if (device_is_compatible(dn, "CBEA,platform-spider-pic")) {
+                        if (of_address_to_resource(dn, 0, &r)) {
+                                printk(KERN_WARNING "spider-pic: Failed\n");
+                                continue;
+                        }
+                } else if (device_is_compatible(dn, "sti,platform-spider-pic")
+                           && (chip < 2)) {
+                        static long hard_coded_pics[] =
+                                { 0x24000008000, 0x34000008000 };
+                        r.start = hard_coded_pics[chip];
+                } else
+                        continue;
+                spider_init_one(dn, chip++, r.start);
         }
 }
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index b306723abb87..5d2313a6c82b 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -264,51 +264,57 @@ spu_irq_class_2(int irq, void *data, struct pt_regs *regs)
         return stat ? IRQ_HANDLED : IRQ_NONE;
 }
 
-static int
-spu_request_irqs(struct spu *spu)
+static int spu_request_irqs(struct spu *spu)
 {
-        int ret;
-        int irq_base;
-
-        irq_base = IIC_NODE_STRIDE * spu->node + IIC_SPE_OFFSET;
-
-        snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0", spu->number);
-        ret = request_irq(irq_base + spu->isrc,
-                 spu_irq_class_0, SA_INTERRUPT, spu->irq_c0, spu);
-        if (ret)
-                goto out;
-
-        snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1", spu->number);
-        ret = request_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc,
-                 spu_irq_class_1, SA_INTERRUPT, spu->irq_c1, spu);
-        if (ret)
-                goto out1;
+        int ret = 0;
 
-        snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2", spu->number);
-        ret = request_irq(irq_base + 2*IIC_CLASS_STRIDE + spu->isrc,
-                 spu_irq_class_2, SA_INTERRUPT, spu->irq_c2, spu);
-        if (ret)
-                goto out2;
-        goto out;
+        if (spu->irqs[0] != NO_IRQ) {
+                snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0",
+                         spu->number);
+                ret = request_irq(spu->irqs[0], spu_irq_class_0,
+                                  IRQF_DISABLED,
+                                  spu->irq_c0, spu);
+                if (ret)
+                        goto bail0;
+        }
+        if (spu->irqs[1] != NO_IRQ) {
+                snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1",
+                         spu->number);
+                ret = request_irq(spu->irqs[1], spu_irq_class_1,
+                                  IRQF_DISABLED,
+                                  spu->irq_c1, spu);
+                if (ret)
+                        goto bail1;
+        }
+        if (spu->irqs[2] != NO_IRQ) {
+                snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2",
+                         spu->number);
+                ret = request_irq(spu->irqs[2], spu_irq_class_2,
+                                  IRQF_DISABLED,
+                                  spu->irq_c2, spu);
+                if (ret)
+                        goto bail2;
+        }
+        return 0;
 
-out2:
-        free_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc, spu);
-out1:
-        free_irq(irq_base + spu->isrc, spu);
-out:
+bail2:
+        if (spu->irqs[1] != NO_IRQ)
+                free_irq(spu->irqs[1], spu);
+bail1:
+        if (spu->irqs[0] != NO_IRQ)
+                free_irq(spu->irqs[0], spu);
+bail0:
         return ret;
 }
 
-static void
-spu_free_irqs(struct spu *spu)
+static void spu_free_irqs(struct spu *spu)
 {
-        int irq_base;
-
-        irq_base = IIC_NODE_STRIDE * spu->node + IIC_SPE_OFFSET;
-
-        free_irq(irq_base + spu->isrc, spu);
-        free_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc, spu);
-        free_irq(irq_base + 2*IIC_CLASS_STRIDE + spu->isrc, spu);
+        if (spu->irqs[0] != NO_IRQ)
+                free_irq(spu->irqs[0], spu);
+        if (spu->irqs[1] != NO_IRQ)
+                free_irq(spu->irqs[1], spu);
+        if (spu->irqs[2] != NO_IRQ)
+                free_irq(spu->irqs[2], spu);
 }
 
 static LIST_HEAD(spu_list);
@@ -559,17 +565,38 @@ static void spu_unmap(struct spu *spu)
         iounmap((u8 __iomem *)spu->local_store);
 }
 
+/* This function shall be abstracted for HV platforms */
+static int __init spu_map_interrupts(struct spu *spu, struct device_node *np)
+{
+        struct irq_host *host;
+        unsigned int isrc;
+        u32 *tmp;
+
+        host = iic_get_irq_host(spu->node);
+        if (host == NULL)
+                return -ENODEV;
+
+        /* Get the interrupt source from the device-tree */
+        tmp = (u32 *)get_property(np, "isrc", NULL);
+        if (!tmp)
+                return -ENODEV;
+        spu->isrc = isrc = tmp[0];
+
+        /* Now map interrupts of all 3 classes */
+        spu->irqs[0] = irq_create_mapping(host, 0x00 | isrc, 0);
+        spu->irqs[1] = irq_create_mapping(host, 0x10 | isrc, 0);
+        spu->irqs[2] = irq_create_mapping(host, 0x20 | isrc, 0);
+
+        /* Right now, we only fail if class 2 failed */
+        return spu->irqs[2] == NO_IRQ ? -EINVAL : 0;
+}
+
 static int __init spu_map_device(struct spu *spu, struct device_node *node)
 {
         char *prop;
         int ret;
 
         ret = -ENODEV;
-        prop = get_property(node, "isrc", NULL);
-        if (!prop)
-                goto out;
-        spu->isrc = *(unsigned int *)prop;
-
         spu->name = get_property(node, "name", NULL);
         if (!spu->name)
                 goto out;
@@ -636,7 +663,8 @@ static int spu_create_sysdev(struct spu *spu)
                 return ret;
         }
 
-        sysdev_create_file(&spu->sysdev, &attr_isrc);
+        if (spu->isrc != 0)
+                sysdev_create_file(&spu->sysdev, &attr_isrc);
         sysfs_add_device_to_node(&spu->sysdev, spu->nid);
 
         return 0;
@@ -668,6 +696,9 @@ static int __init create_spu(struct device_node *spe)
         spu->nid = of_node_to_nid(spe);
         if (spu->nid == -1)
                 spu->nid = 0;
+        ret = spu_map_interrupts(spu, spe);
+        if (ret)
+                goto out_unmap;
         spin_lock_init(&spu->register_lock);
         spu_mfc_sdr_set(spu, mfspr(SPRN_SDR1));
         spu_mfc_sr1_set(spu, 0x33);
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index 66c253498803..6802cdc3168a 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -18,7 +18,6 @@
 #include <asm/machdep.h>
 #include <asm/sections.h>
 #include <asm/pci-bridge.h>
-#include <asm/open_pic.h>
 #include <asm/grackle.h>
 #include <asm/rtas.h>
 
@@ -161,15 +160,9 @@ void __init
 chrp_pcibios_fixup(void)
 {
         struct pci_dev *dev = NULL;
-        struct device_node *np;
 
-        /* PCI interrupts are controlled by the OpenPIC */
-        for_each_pci_dev(dev) {
-                np = pci_device_to_OF_node(dev);
-                if ((np != 0) && (np->n_intrs > 0) && (np->intrs[0].line != 0))
-                        dev->irq = np->intrs[0].line;
-                pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
-        }
+        for_each_pci_dev(dev)
+                pci_read_irq_line(dev);
 }
 
 #define PRG_CL_RESET_VALID 0x00010000
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 1f1771b212b4..538e337d63e2 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -24,7 +24,7 @@
 #include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <linux/adb.h>
 #include <linux/module.h>
 #include <linux/delay.h>
@@ -59,7 +59,7 @@ void rtas_indicator_progress(char *, unsigned short);
 int _chrp_type;
 EXPORT_SYMBOL(_chrp_type);
 
-struct mpic *chrp_mpic;
+static struct mpic *chrp_mpic;
 
 /* Used for doing CHRP event-scans */
 DEFINE_PER_CPU(struct timer_list, heartbeat_timer);
@@ -315,24 +315,32 @@ chrp_event_scan(unsigned long unused)
                   jiffies + event_scan_interval);
 }
 
+static void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc,
+                              struct pt_regs *regs)
+{
+        unsigned int cascade_irq = i8259_irq(regs);
+        if (cascade_irq != NO_IRQ)
+                generic_handle_irq(cascade_irq, regs);
+        desc->chip->eoi(irq);
+}
+
 /*
  * Finds the open-pic node and sets up the mpic driver.
  */
 static void __init chrp_find_openpic(void)
 {
         struct device_node *np, *root;
-        int len, i, j, irq_count;
+        int len, i, j;
         int isu_size, idu_size;
         unsigned int *iranges, *opprop = NULL;
         int oplen = 0;
         unsigned long opaddr;
         int na = 1;
-        unsigned char init_senses[NR_IRQS - NUM_8259_INTERRUPTS];
 
-        np = find_type_devices("open-pic");
+        np = of_find_node_by_type(NULL, "open-pic");
         if (np == NULL)
                 return;
-        root = find_path_device("/");
+        root = of_find_node_by_path("/");
         if (root) {
                 opprop = (unsigned int *) get_property
                         (root, "platform-open-pic", &oplen);
@@ -343,19 +351,15 @@ static void __init chrp_find_openpic(void)
                 oplen /= na * sizeof(unsigned int);
         } else {
                 struct resource r;
-                if (of_address_to_resource(np, 0, &r))
-                        return;
+                if (of_address_to_resource(np, 0, &r)) {
+                        goto bail;
+                }
                 opaddr = r.start;
                 oplen = 0;
         }
 
         printk(KERN_INFO "OpenPIC at %lx\n", opaddr);
 
-        irq_count = NR_IRQS - NUM_ISA_INTERRUPTS - 4; /* leave room for IPIs */
-        prom_get_irq_senses(init_senses, NUM_ISA_INTERRUPTS, NR_IRQS - 4);
-        /* i8259 cascade is always positive level */
-        init_senses[0] = IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE;
-
         iranges = (unsigned int *) get_property(np, "interrupt-ranges", &len);
         if (iranges == NULL)
                 len = 0;        /* non-distributed mpic */
@@ -382,15 +386,12 @@ static void __init chrp_find_openpic(void)
         if (len > 1)
                 isu_size = iranges[3];
 
-        chrp_mpic = mpic_alloc(opaddr, MPIC_PRIMARY,
-                               isu_size, NUM_ISA_INTERRUPTS, irq_count,
-                               NR_IRQS - 4, init_senses, irq_count,
-                               " MPIC    ");
+        chrp_mpic = mpic_alloc(np, opaddr, MPIC_PRIMARY,
+                               isu_size, 0, " MPIC    ");
         if (chrp_mpic == NULL) {
                 printk(KERN_ERR "Failed to allocate MPIC structure\n");
-                return;
+                goto bail;
         }
-
         j = na - 1;
         for (i = 1; i < len; ++i) {
                 iranges += 2;
@@ -402,7 +403,10 @@ static void __init chrp_find_openpic(void)
         }
 
         mpic_init(chrp_mpic);
-        mpic_setup_cascade(NUM_ISA_INTERRUPTS, i8259_irq_cascade, NULL);
+        ppc_md.get_irq = mpic_get_irq;
+ bail:
+        of_node_put(root);
+        of_node_put(np);
 }
 
 #if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)
@@ -413,14 +417,34 @@ static struct irqaction xmon_irqaction = {
 };
 #endif
 
-void __init chrp_init_IRQ(void)
+static void __init chrp_find_8259(void)
 {
-        struct device_node *np;
+        struct device_node *np, *pic = NULL;
         unsigned long chrp_int_ack = 0;
-#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)
-        struct device_node *kbd;
-#endif
+        unsigned int cascade_irq;
+
+        /* Look for cascade */
+        for_each_node_by_type(np, "interrupt-controller")
+                if (device_is_compatible(np, "chrp,iic")) {
+                        pic = np;
+                        break;
+                }
+        /* Ok, 8259 wasn't found. We need to handle the case where
+         * we have a pegasos that claims to be chrp but doesn't have
+         * a proper interrupt tree
+         */
+        if (pic == NULL && chrp_mpic != NULL) {
+                printk(KERN_ERR "i8259: Not found in device-tree"
+                       " assuming no legacy interrupts\n");
+                return;
+        }
 
+        /* Look for intack. In a perfect world, we would look for it on
+         * the ISA bus that holds the 8259 but heh... Works that way. If
+         * we ever see a problem, we can try to re-use the pSeries code here.
+         * Also, Pegasos-type platforms don't have a proper node to start
+         * from anyway
+         */
         for (np = find_devices("pci"); np != NULL; np = np->next) {
                 unsigned int *addrp = (unsigned int *)
                         get_property(np, "8259-interrupt-acknowledge", NULL);
@@ -431,11 +455,29 @@ void __init chrp_init_IRQ(void)
                 break;
         }
         if (np == NULL)
-                printk(KERN_ERR "Cannot find PCI interrupt acknowledge address\n");
+                printk(KERN_WARNING "Cannot find PCI interrupt acknowledge"
+                       " address, polling\n");
+
+        i8259_init(pic, chrp_int_ack);
+        if (ppc_md.get_irq == NULL)
+                ppc_md.get_irq = i8259_irq;
+        if (chrp_mpic != NULL) {
+                cascade_irq = irq_of_parse_and_map(pic, 0);
+                if (cascade_irq == NO_IRQ)
+                        printk(KERN_ERR "i8259: failed to map cascade irq\n");
+                else
+                        set_irq_chained_handler(cascade_irq,
+                                                chrp_8259_cascade);
+        }
+}
 
+void __init chrp_init_IRQ(void)
+{
+#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)
+        struct device_node *kbd;
+#endif
         chrp_find_openpic();
-
-        i8259_init(chrp_int_ack, 0);
+        chrp_find_8259();
 
         if (_chrp_type == _CHRP_Pegasos)
                 ppc_md.get_irq        = i8259_irq;
@@ -520,10 +562,6 @@ static int __init chrp_probe(void)
         DMA_MODE_READ = 0x44;
         DMA_MODE_WRITE = 0x48;
         isa_io_base = CHRP_ISA_IO_BASE;         /* default value */
-        ppc_do_canonicalize_irqs = 1;
-
-        /* Assume we have an 8259... */
-        __irq_offset_value = NUM_ISA_INTERRUPTS;
 
         return 1;
 }
@@ -535,7 +573,6 @@ define_machine(chrp) {
         .init                   = chrp_init2,
         .show_cpuinfo           = chrp_show_cpuinfo,
         .init_IRQ               = chrp_init_IRQ,
-        .get_irq                = mpic_get_irq,
         .pcibios_fixup          = chrp_pcibios_fixup,
         .restart                = rtas_restart,
         .power_off              = rtas_power_off,
diff --git a/arch/powerpc/platforms/chrp/smp.c b/arch/powerpc/platforms/chrp/smp.c
index c298ca1ea680..1d2307e87c30 100644
--- a/arch/powerpc/platforms/chrp/smp.c
+++ b/arch/powerpc/platforms/chrp/smp.c
@@ -29,7 +29,6 @@
 #include <asm/smp.h>
 #include <asm/residual.h>
 #include <asm/time.h>
-#include <asm/open_pic.h>
 #include <asm/machdep.h>
 #include <asm/smp.h>
 #include <asm/mpic.h>
diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c
index f70e820e7304..2275e64f3152 100644
--- a/arch/powerpc/platforms/iseries/irq.c
+++ b/arch/powerpc/platforms/iseries/irq.c
@@ -162,27 +162,6 @@ static void pci_event_handler(struct HvLpEvent *event, struct pt_regs *regs)
                 printk(KERN_ERR "pci_event_handler: NULL event received\n");
 }
 
-/*
- * This is called by init_IRQ.  set in ppc_md.init_IRQ by iSeries_setup.c
- * It must be called before the bus walk.
- */
-void __init iSeries_init_IRQ(void)
-{
-        /* Register PCI event handler and open an event path */
-        int ret;
-
-        ret = HvLpEvent_registerHandler(HvLpEvent_Type_PciIo,
-                        &pci_event_handler);
-        if (ret == 0) {
-                ret = HvLpEvent_openPath(HvLpEvent_Type_PciIo, 0);
-                if (ret != 0)
-                        printk(KERN_ERR "iseries_init_IRQ: open event path "
-                                        "failed with rc 0x%x\n", ret);
-        } else
-                printk(KERN_ERR "iseries_init_IRQ: register handler "
-                                "failed with rc 0x%x\n", ret);
-}
-
 #define REAL_IRQ_TO_SUBBUS(irq) (((irq) >> 14) & 0xff)
 #define REAL_IRQ_TO_BUS(irq)    ((((irq) >> 6) & 0xff) + 1)
 #define REAL_IRQ_TO_IDSEL(irq)  ((((irq) >> 3) & 7) + 1)
@@ -196,7 +175,7 @@ static void iseries_enable_IRQ(unsigned int irq)
 {
         u32 bus, dev_id, function, mask;
         const u32 sub_bus = 0;
-        unsigned int rirq = virt_irq_to_real_map[irq];
+        unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
 
         /* The IRQ has already been locked by the caller */
         bus = REAL_IRQ_TO_BUS(rirq);
@@ -213,7 +192,7 @@ static unsigned int iseries_startup_IRQ(unsigned int irq)
 {
         u32 bus, dev_id, function, mask;
         const u32 sub_bus = 0;
-        unsigned int rirq = virt_irq_to_real_map[irq];
+        unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
 
         bus = REAL_IRQ_TO_BUS(rirq);
         function = REAL_IRQ_TO_FUNC(rirq);
@@ -254,7 +233,7 @@ static void iseries_shutdown_IRQ(unsigned int irq)
 {
         u32 bus, dev_id, function, mask;
         const u32 sub_bus = 0;
-        unsigned int rirq = virt_irq_to_real_map[irq];
+        unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
 
         /* irq should be locked by the caller */
         bus = REAL_IRQ_TO_BUS(rirq);
@@ -277,7 +256,7 @@ static void iseries_disable_IRQ(unsigned int irq)
 {
         u32 bus, dev_id, function, mask;
         const u32 sub_bus = 0;
-        unsigned int rirq = virt_irq_to_real_map[irq];
+        unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
 
         /* The IRQ has already been locked by the caller */
         bus = REAL_IRQ_TO_BUS(rirq);
@@ -291,19 +270,19 @@ static void iseries_disable_IRQ(unsigned int irq)
 
 static void iseries_end_IRQ(unsigned int irq)
 {
-        unsigned int rirq = virt_irq_to_real_map[irq];
+        unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
 
         HvCallPci_eoi(REAL_IRQ_TO_BUS(rirq), REAL_IRQ_TO_SUBBUS(rirq),
                 (REAL_IRQ_TO_IDSEL(rirq) << 4) + REAL_IRQ_TO_FUNC(rirq));
 }
 
-static hw_irq_controller iSeries_IRQ_handler = {
-        .typename = "iSeries irq controller",
-        .startup = iseries_startup_IRQ,
-        .shutdown = iseries_shutdown_IRQ,
-        .enable = iseries_enable_IRQ,
-        .disable = iseries_disable_IRQ,
-        .end = iseries_end_IRQ
+static struct irq_chip iseries_pic = {
+        .typename       = "iSeries irq controller",
+        .startup        = iseries_startup_IRQ,
+        .shutdown       = iseries_shutdown_IRQ,
+        .unmask         = iseries_enable_IRQ,
+        .mask           = iseries_disable_IRQ,
+        .eoi            = iseries_end_IRQ
 };
 
 /*
@@ -314,17 +293,14 @@ static hw_irq_controller iSeries_IRQ_handler = {
 int __init iSeries_allocate_IRQ(HvBusNumber bus,
                 HvSubBusNumber sub_bus, u32 bsubbus)
 {
-        int virtirq;
         unsigned int realirq;
         u8 idsel = ISERIES_GET_DEVICE_FROM_SUBBUS(bsubbus);
         u8 function = ISERIES_GET_FUNCTION_FROM_SUBBUS(bsubbus);
 
         realirq = (((((sub_bus << 8) + (bus - 1)) << 3) + (idsel - 1)) << 3)
                 + function;
-        virtirq = virt_irq_create_mapping(realirq);
 
-        irq_desc[virtirq].chip = &iSeries_IRQ_handler;
-        return virtirq;
+        return irq_create_mapping(NULL, realirq, IRQ_TYPE_NONE);
 }
 
 #endif /* CONFIG_PCI */
@@ -332,10 +308,9 @@ int __init iSeries_allocate_IRQ(HvBusNumber bus,
 /*
  * Get the next pending IRQ.
  */
-int iSeries_get_irq(struct pt_regs *regs)
+unsigned int iSeries_get_irq(struct pt_regs *regs)
 {
-        /* -2 means ignore this interrupt */
-        int irq = -2;
+        int irq = NO_IRQ_IGNORE;
 
 #ifdef CONFIG_SMP
         if (get_lppaca()->int_dword.fields.ipi_cnt) {
@@ -358,9 +333,57 @@ int iSeries_get_irq(struct pt_regs *regs)
                 }
                 spin_unlock(&pending_irqs_lock);
                 if (irq >= NR_IRQS)
-                        irq = -2;
+                        irq = NO_IRQ_IGNORE;
         }
 #endif
 
         return irq;
 }
+
+static int iseries_irq_host_map(struct irq_host *h, unsigned int virq,
+                                irq_hw_number_t hw, unsigned int flags)
+{
+        set_irq_chip_and_handler(virq, &iseries_pic, handle_fasteoi_irq);
+
+        return 0;
+}
+
+static struct irq_host_ops iseries_irq_host_ops = {
+        .map = iseries_irq_host_map,
+};
+
+/*
+ * This is called by init_IRQ.  set in ppc_md.init_IRQ by iSeries_setup.c
+ * It must be called before the bus walk.
+ */
+void __init iSeries_init_IRQ(void)
+{
+        /* Register PCI event handler and open an event path */
+        struct irq_host *host;
+        int ret;
+
+        /*
+         * The Hypervisor only allows us up to 256 interrupt
+         * sources (the irq number is passed in a u8).
+         */
+        irq_set_virq_count(256);
+
+        /* Create irq host. No need for a revmap since HV will give us
+         * back our virtual irq number
+         */
+        host = irq_alloc_host(IRQ_HOST_MAP_NOMAP, 0, &iseries_irq_host_ops, 0);
+        BUG_ON(host == NULL);
+        irq_set_default_host(host);
+
+        ret = HvLpEvent_registerHandler(HvLpEvent_Type_PciIo,
+                        &pci_event_handler);
+        if (ret == 0) {
+                ret = HvLpEvent_openPath(HvLpEvent_Type_PciIo, 0);
+                if (ret != 0)
+                        printk(KERN_ERR "iseries_init_IRQ: open event path "
+                                        "failed with rc 0x%x\n", ret);
+        } else
+                printk(KERN_ERR "iseries_init_IRQ: register handler "
+                                "failed with rc 0x%x\n", ret);
+}
+
diff --git a/arch/powerpc/platforms/iseries/irq.h b/arch/powerpc/platforms/iseries/irq.h
index 188aa808abd7..1ee8985140e5 100644
--- a/arch/powerpc/platforms/iseries/irq.h
+++ b/arch/powerpc/platforms/iseries/irq.h
@@ -4,6 +4,6 @@
 extern void iSeries_init_IRQ(void);
 extern int  iSeries_allocate_IRQ(HvBusNumber, HvSubBusNumber, u32);
 extern void iSeries_activate_IRQs(void);
-extern int iSeries_get_irq(struct pt_regs *);
+extern unsigned int iSeries_get_irq(struct pt_regs *);
 
 #endif /* _ISERIES_IRQ_H */
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index c877074745b2..c9605d773a77 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -294,8 +294,6 @@ static void __init iSeries_init_early(void)
 {
         DBG(" -> iSeries_init_early()\n");
 
-        ppc64_interrupt_controller = IC_ISERIES;
-
 #if defined(CONFIG_BLK_DEV_INITRD)
         /*
          * If the init RAM disk has been configured and there is
@@ -659,12 +657,6 @@ static int __init iseries_probe(void)
         powerpc_firmware_features |= FW_FEATURE_ISERIES;
         powerpc_firmware_features |= FW_FEATURE_LPAR;
 
-        /*
-         * The Hypervisor only allows us up to 256 interrupt
-         * sources (the irq number is passed in a u8).
-         */
-        virt_irq_max = 255;
-
         hpte_init_iSeries();
 
         return 1;
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index f7170ff86dab..63a1670d3bfd 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -443,18 +443,23 @@ void __init maple_pci_init(void)
 int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel)
 {
         struct device_node *np;
-        int irq = channel ? 15 : 14;
+        unsigned int defirq = channel ? 15 : 14;
+        unsigned int irq;
 
         if (pdev->vendor != PCI_VENDOR_ID_AMD ||
             pdev->device != PCI_DEVICE_ID_AMD_8111_IDE)
-                return irq;
+                return defirq;
 
         np = pci_device_to_OF_node(pdev);
         if (np == NULL)
-                return irq;
-        if (np->n_intrs < 2)
-                return irq;
-        return np->intrs[channel & 0x1].line;
+                return defirq;
+        irq = irq_of_parse_and_map(np, channel & 0x1);
+        if (irq == NO_IRQ) {
+                printk("Failed to map onboard IDE interrupt for channel %d\n",
+                       channel);
+                return defirq;
+        }
+        return irq;
 }
 
 /* XXX: To remove once all firmwares are ok */
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 5cf90c28b141..cb528c9de4c3 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -11,7 +11,7 @@
  *
  */
 
-#define DEBUG
+#undef DEBUG
 
 #include <linux/init.h>
 #include <linux/errno.h>
@@ -198,50 +198,81 @@ static void __init maple_init_early(void)
 {
         DBG(" -> maple_init_early\n");
 
-        /* Setup interrupt mapping options */
-        ppc64_interrupt_controller = IC_OPEN_PIC;
-
         iommu_init_early_dart();
 
         DBG(" <- maple_init_early\n");
 }
 
-
-static __init void maple_init_IRQ(void)
+/*
+ * This is almost identical to pSeries and CHRP. We need to make that
+ * code generic at one point, with appropriate bits in the device-tree to
+ * identify the presence of an HT APIC
+ */
+static void __init maple_init_IRQ(void)
 {
-        struct device_node *root;
+        struct device_node *root, *np, *mpic_node = NULL;
         unsigned int *opprop;
-        unsigned long opic_addr;
+        unsigned long openpic_addr = 0;
+        int naddr, n, i, opplen, has_isus = 0;
         struct mpic *mpic;
-        unsigned char senses[128];
-        int n;
+        unsigned int flags = MPIC_PRIMARY;
 
-        DBG(" -> maple_init_IRQ\n");
+        /* Locate MPIC in the device-tree. Note that there is a bug
+         * in Maple device-tree where the type of the controller is
+         * open-pic and not interrupt-controller
+         */
+        for_each_node_by_type(np, "open-pic") {
+                mpic_node = np;
+                break;
+        }
+        if (mpic_node == NULL) {
+                printk(KERN_ERR
+                       "Failed to locate the MPIC interrupt controller\n");
+                return;
+        }
 
-        /* XXX: Non standard, replace that with a proper openpic/mpic node
-         * in the device-tree. Find the Open PIC if present */
+        /* Find address list in /platform-open-pic */
         root = of_find_node_by_path("/");
-        opprop = (unsigned int *) get_property(root,
-                                "platform-open-pic", NULL);
-        if (opprop == 0)
-                panic("OpenPIC not found !\n");
-
-        n = prom_n_addr_cells(root);
-        for (opic_addr = 0; n > 0; --n)
-                opic_addr = (opic_addr << 32) + *opprop++;
+        naddr = prom_n_addr_cells(root);
+        opprop = (unsigned int *) get_property(root, "platform-open-pic",
+                                               &opplen);
+        if (opprop != 0) {
+                openpic_addr = of_read_number(opprop, naddr);
+                has_isus = (opplen > naddr);
+                printk(KERN_DEBUG "OpenPIC addr: %lx, has ISUs: %d\n",
+                       openpic_addr, has_isus);
+        }
         of_node_put(root);
 
-        /* Obtain sense values from device-tree */
-        prom_get_irq_senses(senses, 0, 128);
+        BUG_ON(openpic_addr == 0);
+
+        /* Check for a big endian MPIC */
+        if (get_property(np, "big-endian", NULL) != NULL)
+                flags |= MPIC_BIG_ENDIAN;
 
-        mpic = mpic_alloc(opic_addr,
-                          MPIC_PRIMARY | MPIC_BIG_ENDIAN |
-                          MPIC_BROKEN_U3 | MPIC_WANTS_RESET,
-                          0, 0, 128, 128, senses, 128, "U3-MPIC");
+        /* XXX Maple specific bits */
+        flags |= MPIC_BROKEN_U3 | MPIC_WANTS_RESET;
+
+        /* Setup the openpic driver. More device-tree junks, we hard code no
+         * ISUs for now. I'll have to revisit some stuffs with the folks doing
+         * the firmware for those
+         */
+        mpic = mpic_alloc(mpic_node, openpic_addr, flags,
+                          /*has_isus ? 16 :*/ 0, 0, " MPIC     ");
         BUG_ON(mpic == NULL);
-        mpic_init(mpic);
 
-        DBG(" <- maple_init_IRQ\n");
+        /* Add ISUs */
+        opplen /= sizeof(u32);
+        for (n = 0, i = naddr; i < opplen; i += naddr, n++) {
+                unsigned long isuaddr = of_read_number(opprop + i, naddr);
+                mpic_assign_isu(mpic, n, isuaddr);
+        }
+
+        /* All ISUs are setup, complete initialization */
+        mpic_init(mpic);
+        ppc_md.get_irq = mpic_get_irq;
+        of_node_put(mpic_node);
+        of_node_put(root);
 }
 
 static void __init maple_progress(char *s, unsigned short hex)
@@ -256,7 +287,9 @@ static void __init maple_progress(char *s, unsigned short hex)
 static int __init maple_probe(void)
 {
         unsigned long root = of_get_flat_dt_root();
-        if (!of_flat_dt_is_compatible(root, "Momentum,Maple"))
+
+        if (!of_flat_dt_is_compatible(root, "Momentum,Maple") &&
+            !of_flat_dt_is_compatible(root, "Momentum,Apache"))
                 return 0;
         /*
          * On U3, the DART (iommu) must be allocated now since it
@@ -277,7 +310,6 @@ define_machine(maple_md) {
         .setup_arch             = maple_setup_arch,
         .init_early             = maple_init_early,
         .init_IRQ               = maple_init_IRQ,
-        .get_irq                = mpic_get_irq,
         .pcibios_fixup          = maple_pcibios_fixup,
         .pci_get_legacy_ide_irq = maple_pci_get_legacy_ide_irq,
         .restart                = maple_restart,
diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
index cb257aeb91f6..871b002c9f90 100644
--- a/arch/powerpc/platforms/powermac/bootx_init.c
+++ b/arch/powerpc/platforms/powermac/bootx_init.c
@@ -12,7 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/init.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <asm/sections.h>
 #include <asm/prom.h>
 #include <asm/page.h>
@@ -162,6 +162,8 @@ static void __init bootx_add_chosen_props(unsigned long base,
 {
         u32 val;
 
+        bootx_dt_add_prop("linux,bootx", NULL, 0, mem_end);
+
         if (bootx_info->kernelParamsOffset) {
                 char *args = (char *)((unsigned long)bootx_info) +
                         bootx_info->kernelParamsOffset;
@@ -181,8 +183,25 @@ static void __init bootx_add_chosen_props(unsigned long base,
 static void __init bootx_add_display_props(unsigned long base,
                                            unsigned long *mem_end)
 {
+        boot_infos_t *bi = bootx_info;
+        u32 tmp;
+
         bootx_dt_add_prop("linux,boot-display", NULL, 0, mem_end);
         bootx_dt_add_prop("linux,opened", NULL, 0, mem_end);
+        tmp = bi->dispDeviceDepth;
+        bootx_dt_add_prop("linux,bootx-depth", &tmp, 4, mem_end);
+        tmp = bi->dispDeviceRect[2] - bi->dispDeviceRect[0];
+        bootx_dt_add_prop("linux,bootx-width", &tmp, 4, mem_end);
+        tmp = bi->dispDeviceRect[3] - bi->dispDeviceRect[1];
+        bootx_dt_add_prop("linux,bootx-height", &tmp, 4, mem_end);
+        tmp = bi->dispDeviceRowBytes;
+        bootx_dt_add_prop("linux,bootx-linebytes", &tmp, 4, mem_end);
+        tmp = (u32)bi->dispDeviceBase;
+        if (tmp == 0)
+                tmp = (u32)bi->logicalDisplayBase;
+        tmp += bi->dispDeviceRect[1] * bi->dispDeviceRowBytes;
+        tmp += bi->dispDeviceRect[0] * ((bi->dispDeviceDepth + 7) / 8);
+        bootx_dt_add_prop("linux,bootx-addr", &tmp, 4, mem_end);
 }
 
 static void __init bootx_dt_add_string(char *s, unsigned long *mem_end)
@@ -211,7 +230,7 @@ static void __init bootx_scan_dt_build_strings(unsigned long base,
 
         if (!strcmp(namep, "/chosen")) {
                 DBG(" detected /chosen ! adding properties names !\n");
-                bootx_dt_add_string("linux,platform", mem_end);
+                bootx_dt_add_string("linux,bootx", mem_end);
                 bootx_dt_add_string("linux,stdout-path", mem_end);
                 bootx_dt_add_string("linux,initrd-start", mem_end);
                 bootx_dt_add_string("linux,initrd-end", mem_end);
@@ -222,6 +241,11 @@ static void __init bootx_scan_dt_build_strings(unsigned long base,
                 DBG(" detected display ! adding properties names !\n");
                 bootx_dt_add_string("linux,boot-display", mem_end);
                 bootx_dt_add_string("linux,opened", mem_end);
+                bootx_dt_add_string("linux,bootx-depth", mem_end);
+                bootx_dt_add_string("linux,bootx-width", mem_end);
+                bootx_dt_add_string("linux,bootx-height", mem_end);
+                bootx_dt_add_string("linux,bootx-linebytes", mem_end);
+                bootx_dt_add_string("linux,bootx-addr", mem_end);
                 strncpy(bootx_disp_path, namep, 255);
         }
 
@@ -443,7 +467,14 @@ void __init bootx_init(unsigned long r3, unsigned long r4)
         if (!BOOT_INFO_IS_V2_COMPATIBLE(bi))
                 bi->logicalDisplayBase = bi->dispDeviceBase;
 
+        /* Fixup depth 16 -> 15 as that's what MacOS calls 16bpp */
+        if (bi->dispDeviceDepth == 16)
+                bi->dispDeviceDepth = 15;
+
 #ifdef CONFIG_BOOTX_TEXT
+        ptr = (unsigned long)bi->logicalDisplayBase;
+        ptr += bi->dispDeviceRect[1] * bi->dispDeviceRowBytes;
+        ptr += bi->dispDeviceRect[0] * ((bi->dispDeviceDepth + 7) / 8);
         btext_setup_display(bi->dispDeviceRect[2] - bi->dispDeviceRect[0],
                             bi->dispDeviceRect[3] - bi->dispDeviceRect[1],
                             bi->dispDeviceDepth, bi->dispDeviceRowBytes,
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index ceafaf52a668..8677f50c2586 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -522,10 +522,11 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np)
                 host->speed = KW_I2C_MODE_25KHZ;
                 break;
         }       
-        if (np->n_intrs > 0)
-                host->irq = np->intrs[0].line;
-        else
-                host->irq = NO_IRQ;
+        host->irq = irq_of_parse_and_map(np, 0);
+        if (host->irq == NO_IRQ)
+                printk(KERN_WARNING
+                       "low_i2c: Failed to map interrupt for %s\n",
+                       np->full_name);
 
         host->base = ioremap((*addrp), 0x1000);
         if (host->base == NULL) {
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c
index 41fa2409482a..6a36ea9bf673 100644
--- a/arch/powerpc/platforms/powermac/nvram.c
+++ b/arch/powerpc/platforms/powermac/nvram.c
@@ -29,6 +29,8 @@
 #include <asm/machdep.h>
 #include <asm/nvram.h>
 
+#include "pmac.h"
+
 #define DEBUG
 
 #ifdef DEBUG
@@ -80,9 +82,6 @@ static int nvram_partitions[3];
 // XXX Turn that into a sem
 static DEFINE_SPINLOCK(nv_lock);
 
-extern int pmac_newworld;
-extern int system_running;
-
 static int (*core99_write_bank)(int bank, u8* datas);
 static int (*core99_erase_bank)(int bank);
 
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index d524a915aa86..556b349797e8 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -46,6 +46,9 @@ static int has_uninorth;
 static struct pci_controller *u3_agp;
 static struct pci_controller *u4_pcie;
 static struct pci_controller *u3_ht;
+#define has_second_ohare 0
+#else
+static int has_second_ohare;
 #endif /* CONFIG_PPC64 */
 
 extern u8 pci_cache_line_size;
@@ -647,6 +650,33 @@ static void __init init_p2pbridge(void)
         early_write_config_word(hose, bus, devfn, PCI_BRIDGE_CONTROL, val);
 }
 
+static void __init init_second_ohare(void)
+{
+        struct device_node *np = of_find_node_by_name(NULL, "pci106b,7");
+        unsigned char bus, devfn;
+        unsigned short cmd;
+
+        if (np == NULL)
+                return;
+
+        /* This must run before we initialize the PICs since the second
+         * ohare hosts a PIC that will be accessed there.
+         */
+        if (pci_device_from_OF_node(np, &bus, &devfn) == 0) {
+                struct pci_controller* hose =
+                        pci_find_hose_for_OF_device(np);
+                if (!hose) {
+                        printk(KERN_ERR "Can't find PCI hose for OHare2 !\n");
+                        return;
+                }
+                early_read_config_word(hose, bus, devfn, PCI_COMMAND, &cmd);
+                cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+                cmd &= ~PCI_COMMAND_IO;
+                early_write_config_word(hose, bus, devfn, PCI_COMMAND, cmd);
+        }
+        has_second_ohare = 1;
+}
+
 /*
  * Some Apple desktop machines have a NEC PD720100A USB2 controller
  * on the motherboard. Open Firmware, on these, will disable the
@@ -688,9 +718,6 @@ static void __init fixup_nec_usb2(void)
                                " EHCI, fixing up...\n");
                         data &= ~1UL;
                         early_write_config_dword(hose, bus, devfn, 0xe4, data);
-                        early_write_config_byte(hose, bus,
-                                                devfn | 2, PCI_INTERRUPT_LINE,
-                                nec->intrs[0].line);
                 }
         }
 }
@@ -958,32 +985,28 @@ static int __init add_bridge(struct device_node *dev)
         return 0;
 }
 
-static void __init pcibios_fixup_OF_interrupts(void)
+void __init pmac_pcibios_fixup(void)
 {
         struct pci_dev* dev = NULL;
 
-        /*
-         * Open Firmware often doesn't initialize the
-         * PCI_INTERRUPT_LINE config register properly, so we
-         * should find the device node and apply the interrupt
-         * obtained from the OF device-tree
-         */
         for_each_pci_dev(dev) {
-                struct device_node *node;
-                node = pci_device_to_OF_node(dev);
-                /* this is the node, see if it has interrupts */
-                if (node && node->n_intrs > 0)
-                        dev->irq = node->intrs[0].line;
-                pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+                /* Read interrupt from the device-tree */
+                pci_read_irq_line(dev);
+
+                /* Fixup interrupt for the modem/ethernet combo controller.
+                 * on machines with a second ohare chip.
+                 * The number in the device tree (27) is bogus (correct for
+                 * the ethernet-only board but not the combo ethernet/modem
+                 * board). The real interrupt is 28 on the second controller
+                 * -> 28+32 = 60.
+                 */
+                if (has_second_ohare &&
+                    dev->vendor == PCI_VENDOR_ID_DEC &&
+                    dev->device == PCI_DEVICE_ID_DEC_TULIP_PLUS)
+                        dev->irq = irq_create_mapping(NULL, 60, 0);
         }
 }
 
-void __init pmac_pcibios_fixup(void)
-{
-        /* Fixup interrupts according to OF tree */
-        pcibios_fixup_OF_interrupts();
-}
-
 #ifdef CONFIG_PPC64
 static void __init pmac_fixup_phb_resources(void)
 {
@@ -1071,6 +1094,7 @@ void __init pmac_pci_init(void)
 
 #else /* CONFIG_PPC64 */
         init_p2pbridge();
+        init_second_ohare();
         fixup_nec_usb2();
 
         /* We are still having some issues with the Xserve G4, enabling
diff --git a/arch/powerpc/platforms/powermac/pfunc_base.c b/arch/powerpc/platforms/powermac/pfunc_base.c
index d6eab8b3f7de..6d66359ec8c8 100644
--- a/arch/powerpc/platforms/powermac/pfunc_base.c
+++ b/arch/powerpc/platforms/powermac/pfunc_base.c
@@ -24,19 +24,18 @@ static irqreturn_t macio_gpio_irq(int irq, void *data, struct pt_regs *regs)
 
 static int macio_do_gpio_irq_enable(struct pmf_function *func)
 {
-        if (func->node->n_intrs < 1)
+        unsigned int irq = irq_of_parse_and_map(func->node, 0);
+        if (irq == NO_IRQ)
                 return -EINVAL;
-
-        return request_irq(func->node->intrs[0].line, macio_gpio_irq, 0,
-                           func->node->name, func);
+        return request_irq(irq, macio_gpio_irq, 0, func->node->name, func);
 }
 
 static int macio_do_gpio_irq_disable(struct pmf_function *func)
 {
-        if (func->node->n_intrs < 1)
+        unsigned int irq = irq_of_parse_and_map(func->node, 0);
+        if (irq == NO_IRQ)
                 return -EINVAL;
-
-        free_irq(func->node->intrs[0].line, func);
+        free_irq(irq, func);
         return 0;
 }
 
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 532bce57c0dc..3d328bc1f7e0 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -65,39 +65,36 @@ static u32 level_mask[4];
 
 static DEFINE_SPINLOCK(pmac_pic_lock);
 
-#define GATWICK_IRQ_POOL_SIZE        10
-static struct interrupt_info gatwick_int_pool[GATWICK_IRQ_POOL_SIZE];
-
 #define NR_MASK_WORDS   ((NR_IRQS + 31) / 32)
 static unsigned long ppc_lost_interrupts[NR_MASK_WORDS];
+static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
+static int pmac_irq_cascade = -1;
+static struct irq_host *pmac_pic_host;
 
-/*
- * Mark an irq as "lost".  This is only used on the pmac
- * since it can lose interrupts (see pmac_set_irq_mask).
- * -- Cort
- */
-void __set_lost(unsigned long irq_nr, int nokick)
+static void __pmac_retrigger(unsigned int irq_nr)
 {
-        if (!test_and_set_bit(irq_nr, ppc_lost_interrupts)) {
+        if (irq_nr >= max_real_irqs && pmac_irq_cascade > 0) {
+                __set_bit(irq_nr, ppc_lost_interrupts);
+                irq_nr = pmac_irq_cascade;
+                mb();
+        }
+        if (!__test_and_set_bit(irq_nr, ppc_lost_interrupts)) {
                 atomic_inc(&ppc_n_lost_interrupts);
-                if (!nokick)
-                        set_dec(1);
+                set_dec(1);
         }
 }
 
-static void pmac_mask_and_ack_irq(unsigned int irq_nr)
+static void pmac_mask_and_ack_irq(unsigned int virq)
 {
-        unsigned long bit = 1UL << (irq_nr & 0x1f);
-        int i = irq_nr >> 5;
+        unsigned int src = irq_map[virq].hwirq;
+        unsigned long bit = 1UL << (virq & 0x1f);
+        int i = virq >> 5;
         unsigned long flags;
 
-        if ((unsigned)irq_nr >= max_irqs)
-                return;
-
-        clear_bit(irq_nr, ppc_cached_irq_mask);
-        if (test_and_clear_bit(irq_nr, ppc_lost_interrupts))
-                atomic_dec(&ppc_n_lost_interrupts);
         spin_lock_irqsave(&pmac_pic_lock, flags);
+        __clear_bit(src, ppc_cached_irq_mask);
+        if (__test_and_clear_bit(src, ppc_lost_interrupts))
+                atomic_dec(&ppc_n_lost_interrupts);
         out_le32(&pmac_irq_hw[i]->enable, ppc_cached_irq_mask[i]);
         out_le32(&pmac_irq_hw[i]->ack, bit);
         do {
@@ -109,16 +106,29 @@ static void pmac_mask_and_ack_irq(unsigned int irq_nr)
         spin_unlock_irqrestore(&pmac_pic_lock, flags);
 }
 
-static void pmac_set_irq_mask(unsigned int irq_nr, int nokicklost)
+static void pmac_ack_irq(unsigned int virq)
+{
+        unsigned int src = irq_map[virq].hwirq;
+        unsigned long bit = 1UL << (src & 0x1f);
+        int i = src >> 5;
+        unsigned long flags;
+
+        spin_lock_irqsave(&pmac_pic_lock, flags);
+        if (__test_and_clear_bit(src, ppc_lost_interrupts))
+                atomic_dec(&ppc_n_lost_interrupts);
+        out_le32(&pmac_irq_hw[i]->ack, bit);
+        (void)in_le32(&pmac_irq_hw[i]->ack);
+        spin_unlock_irqrestore(&pmac_pic_lock, flags);
+}
+
+static void __pmac_set_irq_mask(unsigned int irq_nr, int nokicklost)
 {
         unsigned long bit = 1UL << (irq_nr & 0x1f);
         int i = irq_nr >> 5;
-        unsigned long flags;
 
         if ((unsigned)irq_nr >= max_irqs)
                 return;
 
-        spin_lock_irqsave(&pmac_pic_lock, flags);
         /* enable unmasked interrupts */
         out_le32(&pmac_irq_hw[i]->enable, ppc_cached_irq_mask[i]);
 
@@ -135,71 +145,78 @@ static void pmac_set_irq_mask(unsigned int irq_nr, int nokicklost)
          * the bit in the flag register or request another interrupt.
          */
         if (bit & ppc_cached_irq_mask[i] & in_le32(&pmac_irq_hw[i]->level))
-                __set_lost((ulong)irq_nr, nokicklost);
-        spin_unlock_irqrestore(&pmac_pic_lock, flags);
+                __pmac_retrigger(irq_nr);
 }
 
 /* When an irq gets requested for the first client, if it's an
  * edge interrupt, we clear any previous one on the controller
  */
-static unsigned int pmac_startup_irq(unsigned int irq_nr)
+static unsigned int pmac_startup_irq(unsigned int virq)
 {
-        unsigned long bit = 1UL << (irq_nr & 0x1f);
-        int i = irq_nr >> 5;
+        unsigned long flags;
+        unsigned int src = irq_map[virq].hwirq;
+        unsigned long bit = 1UL << (src & 0x1f);
+        int i = src >> 5;
 
-        if ((irq_desc[irq_nr].status & IRQ_LEVEL) == 0)
+        spin_lock_irqsave(&pmac_pic_lock, flags);
+        if ((irq_desc[virq].status & IRQ_LEVEL) == 0)
                 out_le32(&pmac_irq_hw[i]->ack, bit);
-        set_bit(irq_nr, ppc_cached_irq_mask);
-        pmac_set_irq_mask(irq_nr, 0);
+        __set_bit(src, ppc_cached_irq_mask);
+        __pmac_set_irq_mask(src, 0);
+        spin_unlock_irqrestore(&pmac_pic_lock, flags);
 
         return 0;
 }
 
-static void pmac_mask_irq(unsigned int irq_nr)
+static void pmac_mask_irq(unsigned int virq)
 {
-        clear_bit(irq_nr, ppc_cached_irq_mask);
-        pmac_set_irq_mask(irq_nr, 0);
-        mb();
+        unsigned long flags;
+        unsigned int src = irq_map[virq].hwirq;
+
+        spin_lock_irqsave(&pmac_pic_lock, flags);
+        __clear_bit(src, ppc_cached_irq_mask);
+        __pmac_set_irq_mask(src, 0);
+        spin_unlock_irqrestore(&pmac_pic_lock, flags);
 }
 
-static void pmac_unmask_irq(unsigned int irq_nr)
+static void pmac_unmask_irq(unsigned int virq)
 {
-        set_bit(irq_nr, ppc_cached_irq_mask);
-        pmac_set_irq_mask(irq_nr, 0);
+        unsigned long flags;
+        unsigned int src = irq_map[virq].hwirq;
+
+        spin_lock_irqsave(&pmac_pic_lock, flags);
+        __set_bit(src, ppc_cached_irq_mask);
+        __pmac_set_irq_mask(src, 0);
+        spin_unlock_irqrestore(&pmac_pic_lock, flags);
 }
 
-static void pmac_end_irq(unsigned int irq_nr)
+static int pmac_retrigger(unsigned int virq)
 {
-        if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))
-            && irq_desc[irq_nr].action) {
-                set_bit(irq_nr, ppc_cached_irq_mask);
-                pmac_set_irq_mask(irq_nr, 1);
-        }
-}
+        unsigned long flags;
 
+        spin_lock_irqsave(&pmac_pic_lock, flags);
+        __pmac_retrigger(irq_map[virq].hwirq);
+        spin_unlock_irqrestore(&pmac_pic_lock, flags);
+        return 1;
+}
 
-struct hw_interrupt_type pmac_pic = {
+static struct irq_chip pmac_pic = {
         .typename       = " PMAC-PIC ",
         .startup        = pmac_startup_irq,
-        .enable         = pmac_unmask_irq,
-        .disable        = pmac_mask_irq,
-        .ack            = pmac_mask_and_ack_irq,
-        .end            = pmac_end_irq,
-};
-
-struct hw_interrupt_type gatwick_pic = {
-        .typename       = " GATWICK  ",
-        .startup        = pmac_startup_irq,
-        .enable         = pmac_unmask_irq,
-        .disable        = pmac_mask_irq,
-        .ack            = pmac_mask_and_ack_irq,
-        .end            = pmac_end_irq,
+        .mask           = pmac_mask_irq,
+        .ack            = pmac_ack_irq,
+        .mask_ack       = pmac_mask_and_ack_irq,
+        .unmask         = pmac_unmask_irq,
+        .retrigger      = pmac_retrigger,
 };
 
 static irqreturn_t gatwick_action(int cpl, void *dev_id, struct pt_regs *regs)
 {
+        unsigned long flags;
         int irq, bits;
+        int rc = IRQ_NONE;
 
+        spin_lock_irqsave(&pmac_pic_lock, flags);
         for (irq = max_irqs; (irq -= 32) >= max_real_irqs; ) {
                 int i = irq >> 5;
                 bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i];
@@ -209,17 +226,20 @@ static irqreturn_t gatwick_action(int cpl, void *dev_id, struct pt_regs *regs)
                 if (bits == 0)
                         continue;
                 irq += __ilog2(bits);
+                spin_unlock_irqrestore(&pmac_pic_lock, flags);
                 __do_IRQ(irq, regs);
-                return IRQ_HANDLED;
+                spin_lock_irqsave(&pmac_pic_lock, flags);
+                rc = IRQ_HANDLED;
         }
-        printk("gatwick irq not from gatwick pic\n");
-        return IRQ_NONE;
+        spin_unlock_irqrestore(&pmac_pic_lock, flags);
+        return rc;
 }
 
-static int pmac_get_irq(struct pt_regs *regs)
+static unsigned int pmac_pic_get_irq(struct pt_regs *regs)
 {
         int irq;
         unsigned long bits = 0;
+        unsigned long flags;
 
 #ifdef CONFIG_SMP
         void psurge_smp_message_recv(struct pt_regs *);
@@ -227,9 +247,10 @@ static int pmac_get_irq(struct pt_regs *regs)
         /* IPI's are a hack on the powersurge -- Cort */
         if ( smp_processor_id() != 0 ) {
                 psurge_smp_message_recv(regs);
-                return -2;      /* ignore, already handled */
+                return NO_IRQ_IGNORE;   /* ignore, already handled */
         }
 #endif /* CONFIG_SMP */
+        spin_lock_irqsave(&pmac_pic_lock, flags);
         for (irq = max_real_irqs; (irq -= 32) >= 0; ) {
                 int i = irq >> 5;
                 bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i];
@@ -241,133 +262,10 @@ static int pmac_get_irq(struct pt_regs *regs)
                 irq += __ilog2(bits);
                 break;
         }
-
-        return irq;
-}
-
-/* This routine will fix some missing interrupt values in the device tree
- * on the gatwick mac-io controller used by some PowerBooks
- *
- * Walking of OF nodes could use a bit more fixing up here, but it's not
- * very important as this is all boot time code on static portions of the
- * device-tree.
- *
- * However, the modifications done to "intrs" will have to be removed and
- * replaced with proper updates of the "interrupts" properties or
- * AAPL,interrupts, yet to be decided, once the dynamic parsing is there.
- */
-static void __init pmac_fix_gatwick_interrupts(struct device_node *gw,
-                                               int irq_base)
-{
-        struct device_node *node;
-        int count;
-
-        memset(gatwick_int_pool, 0, sizeof(gatwick_int_pool));
-        count = 0;
-        for (node = NULL; (node = of_get_next_child(gw, node)) != NULL;) {
-                /* Fix SCC */
-                if ((strcasecmp(node->name, "escc") == 0) && node->child) {
-                        if (node->child->n_intrs < 3) {
-                                node->child->intrs = &gatwick_int_pool[count];
-                                count += 3;
-                        }
-                        node->child->n_intrs = 3;
-                        node->child->intrs[0].line = 15+irq_base;
-                        node->child->intrs[1].line =  4+irq_base;
-                        node->child->intrs[2].line =  5+irq_base;
-                        printk(KERN_INFO "irq: fixed SCC on gatwick"
-                               " (%d,%d,%d)\n",
-                               node->child->intrs[0].line,
-                               node->child->intrs[1].line,
-                               node->child->intrs[2].line);
-                }
-                /* Fix media-bay & left SWIM */
-                if (strcasecmp(node->name, "media-bay") == 0) {
-                        struct device_node* ya_node;
-
-                        if (node->n_intrs == 0)
-                                node->intrs = &gatwick_int_pool[count++];
-                        node->n_intrs = 1;
-                        node->intrs[0].line = 29+irq_base;
-                        printk(KERN_INFO "irq: fixed media-bay on gatwick"
-                               " (%d)\n", node->intrs[0].line);
-
-                        ya_node = node->child;
-                        while(ya_node) {
-                                if (strcasecmp(ya_node->name, "floppy") == 0) {
-                                        if (ya_node->n_intrs < 2) {
-                                                ya_node->intrs = &gatwick_int_pool[count];
-                                                count += 2;
-                                        }
-                                        ya_node->n_intrs = 2;
-                                        ya_node->intrs[0].line = 19+irq_base;
-                                        ya_node->intrs[1].line =  1+irq_base;
-                                        printk(KERN_INFO "irq: fixed floppy on second controller (%d,%d)\n",
-                                                ya_node->intrs[0].line, ya_node->intrs[1].line);
-                                }
-                                if (strcasecmp(ya_node->name, "ata4") == 0) {
-                                        if (ya_node->n_intrs < 2) {
-                                                ya_node->intrs = &gatwick_int_pool[count];
-                                                count += 2;
-                                        }
-                                        ya_node->n_intrs = 2;
-                                        ya_node->intrs[0].line = 14+irq_base;
-                                        ya_node->intrs[1].line =  3+irq_base;
-                                        printk(KERN_INFO "irq: fixed ide on second controller (%d,%d)\n",
-                                                ya_node->intrs[0].line, ya_node->intrs[1].line);
-                                }
-                                ya_node = ya_node->sibling;
-                        }
-                }
-        }
-        if (count > 10) {
-                printk("WARNING !! Gatwick interrupt pool overflow\n");
-                printk("  GATWICK_IRQ_POOL_SIZE = %d\n", GATWICK_IRQ_POOL_SIZE);
-                printk("              requested = %d\n", count);
-        }
-}
-
-/*
- * The PowerBook 3400/2400/3500 can have a combo ethernet/modem
- * card which includes an ohare chip that acts as a second interrupt
- * controller.  If we find this second ohare, set it up and fix the
- * interrupt value in the device tree for the ethernet chip.
- */
-static void __init enable_second_ohare(struct device_node *np)
-{
-        unsigned char bus, devfn;
-        unsigned short cmd;
-        struct device_node *ether;
-
-        /* This code doesn't strictly belong here, it could be part of
-         * either the PCI initialisation or the feature code. It's kept
-         * here for historical reasons.
-         */
-        if (pci_device_from_OF_node(np, &bus, &devfn) == 0) {
-                struct pci_controller* hose =
-                        pci_find_hose_for_OF_device(np);
-                if (!hose) {
-                        printk(KERN_ERR "Can't find PCI hose for OHare2 !\n");
-                        return;
-                }
-                early_read_config_word(hose, bus, devfn, PCI_COMMAND, &cmd);
-                cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
-                cmd &= ~PCI_COMMAND_IO;
-                early_write_config_word(hose, bus, devfn, PCI_COMMAND, cmd);
-        }
-
-        /* Fix interrupt for the modem/ethernet combo controller. The number
-         * in the device tree (27) is bogus (correct for the ethernet-only
-         * board but not the combo ethernet/modem board).
-         * The real interrupt is 28 on the second controller -> 28+32 = 60.
-         */
-        ether = of_find_node_by_name(NULL, "pci1011,14");
-        if (ether && ether->n_intrs > 0) {
-                ether->intrs[0].line = 60;
-                printk(KERN_INFO "irq: Fixed ethernet IRQ to %d\n",
-                       ether->intrs[0].line);
-        }
-        of_node_put(ether);
+        spin_unlock_irqrestore(&pmac_pic_lock, flags);
+        if (unlikely(irq < 0))
+                return NO_IRQ;
+        return irq_linear_revmap(pmac_pic_host, irq);
 }
 
 #ifdef CONFIG_XMON
@@ -381,22 +279,65 @@ static struct irqaction xmon_action = {
 
 static struct irqaction gatwick_cascade_action = {
         .handler        = gatwick_action,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .mask           = CPU_MASK_NONE,
         .name           = "cascade",
 };
 
+static int pmac_pic_host_match(struct irq_host *h, struct device_node *node)
+{
+        /* We match all, we don't always have a node anyway */
+        return 1;
+}
+
+static int pmac_pic_host_map(struct irq_host *h, unsigned int virq,
+                             irq_hw_number_t hw, unsigned int flags)
+{
+        struct irq_desc *desc = get_irq_desc(virq);
+        int level;
+
+        if (hw >= max_irqs)
+                return -EINVAL;
+
+        /* Mark level interrupts, set delayed disable for edge ones and set
+         * handlers
+         */
+        level = !!(level_mask[hw >> 5] & (1UL << (hw & 0x1f)));
+        if (level)
+                desc->status |= IRQ_LEVEL;
+        else
+                desc->status |= IRQ_DELAYED_DISABLE;
+        set_irq_chip_and_handler(virq, &pmac_pic, level ?
+                                 handle_level_irq : handle_edge_irq);
+        return 0;
+}
+
+static int pmac_pic_host_xlate(struct irq_host *h, struct device_node *ct,
+                               u32 *intspec, unsigned int intsize,
+                               irq_hw_number_t *out_hwirq,
+                               unsigned int *out_flags)
+
+{
+        *out_hwirq = *intspec;
+        return 0;
+}
+
+static struct irq_host_ops pmac_pic_host_ops = {
+        .match = pmac_pic_host_match,
+        .map = pmac_pic_host_map,
+        .xlate = pmac_pic_host_xlate,
+};
+
 static void __init pmac_pic_probe_oldstyle(void)
 {
         int i;
-        int irq_cascade = -1;
         struct device_node *master = NULL;
         struct device_node *slave = NULL;
         u8 __iomem *addr;
         struct resource r;
 
         /* Set our get_irq function */
-        ppc_md.get_irq = pmac_get_irq;
+        ppc_md.get_irq = pmac_pic_get_irq;
 
         /*
          * Find the interrupt controller type & node
@@ -414,7 +355,6 @@ static void __init pmac_pic_probe_oldstyle(void)
                 if (slave) {
                         max_irqs = 64;
                         level_mask[1] = OHARE_LEVEL_MASK;
-                        enable_second_ohare(slave);
                 }
         } else if ((master = of_find_node_by_name(NULL, "mac-io")) != NULL) {
                 max_irqs = max_real_irqs = 64;
@@ -438,14 +378,18 @@ static void __init pmac_pic_probe_oldstyle(void)
                         max_irqs = 128;
                         level_mask[2] = HEATHROW_LEVEL_MASK;
                         level_mask[3] = 0;
-                        pmac_fix_gatwick_interrupts(slave, max_real_irqs);
                 }
         }
         BUG_ON(master == NULL);
 
-        /* Set the handler for the main PIC */
-        for ( i = 0; i < max_real_irqs ; i++ )
-                irq_desc[i].chip = &pmac_pic;
+        /*
+         * Allocate an irq host
+         */
+        pmac_pic_host = irq_alloc_host(IRQ_HOST_MAP_LINEAR, max_irqs,
+                                       &pmac_pic_host_ops,
+                                       max_irqs);
+        BUG_ON(pmac_pic_host == NULL);
+        irq_set_default_host(pmac_pic_host);
 
         /* Get addresses of first controller if we have a node for it */
         BUG_ON(of_address_to_resource(master, 0, &r));
@@ -472,39 +416,38 @@ static void __init pmac_pic_probe_oldstyle(void)
                         pmac_irq_hw[i++] =
                                 (volatile struct pmac_irq_hw __iomem *)
                                 (addr + 0x10);
-                irq_cascade = slave->intrs[0].line;
+                pmac_irq_cascade = irq_of_parse_and_map(slave, 0);
 
                 printk(KERN_INFO "irq: Found slave Apple PIC %s for %d irqs"
                        " cascade: %d\n", slave->full_name,
-                       max_irqs - max_real_irqs, irq_cascade);
+                       max_irqs - max_real_irqs, pmac_irq_cascade);
         }
         of_node_put(slave);
 
-        /* disable all interrupts in all controllers */
+        /* Disable all interrupts in all controllers */
         for (i = 0; i * 32 < max_irqs; ++i)
                 out_le32(&pmac_irq_hw[i]->enable, 0);
 
-        /* mark level interrupts */
-        for (i = 0; i < max_irqs; i++)
-                if (level_mask[i >> 5] & (1UL << (i & 0x1f)))
-                        irq_desc[i].status = IRQ_LEVEL;
+        /* Hookup cascade irq */
+        if (slave && pmac_irq_cascade != NO_IRQ)
+                setup_irq(pmac_irq_cascade, &gatwick_cascade_action);
 
-        /* Setup handlers for secondary controller and hook cascade irq*/
-        if (slave) {
-                for ( i = max_real_irqs ; i < max_irqs ; i++ )
-                        irq_desc[i].chip = &gatwick_pic;
-                setup_irq(irq_cascade, &gatwick_cascade_action);
-        }
         printk(KERN_INFO "irq: System has %d possible interrupts\n", max_irqs);
 #ifdef CONFIG_XMON
-        setup_irq(20, &xmon_action);
+        setup_irq(irq_create_mapping(NULL, 20, 0), &xmon_action);
 #endif
 }
 #endif /* CONFIG_PPC32 */
 
-static int pmac_u3_cascade(struct pt_regs *regs, void *data)
+static void pmac_u3_cascade(unsigned int irq, struct irq_desc *desc,
+                            struct pt_regs *regs)
 {
-        return mpic_get_one_irq((struct mpic *)data, regs);
+        struct mpic *mpic = desc->handler_data;
+
+        unsigned int cascade_irq = mpic_get_one_irq(mpic, regs);
+        if (cascade_irq != NO_IRQ)
+                generic_handle_irq(cascade_irq, regs);
+        desc->chip->eoi(irq);
 }
 
 static void __init pmac_pic_setup_mpic_nmi(struct mpic *mpic)
@@ -514,21 +457,20 @@ static void __init pmac_pic_setup_mpic_nmi(struct mpic *mpic)
         int nmi_irq;
 
         pswitch = of_find_node_by_name(NULL, "programmer-switch");
-        if (pswitch && pswitch->n_intrs) {
-                nmi_irq = pswitch->intrs[0].line;
-                mpic_irq_set_priority(nmi_irq, 9);
-                setup_irq(nmi_irq, &xmon_action);
+        if (pswitch) {
+                nmi_irq = irq_of_parse_and_map(pswitch, 0);
+                if (nmi_irq != NO_IRQ) {
+                        mpic_irq_set_priority(nmi_irq, 9);
+                        setup_irq(nmi_irq, &xmon_action);
+                }
+                of_node_put(pswitch);
         }
-        of_node_put(pswitch);
 #endif  /* defined(CONFIG_XMON) && defined(CONFIG_PPC32) */
 }
 
 static struct mpic * __init pmac_setup_one_mpic(struct device_node *np,
                                                 int master)
 {
-        unsigned char senses[128];
-        int offset = master ? 0 : 128;
-        int count = master ? 128 : 124;
         const char *name = master ? " MPIC 1   " : " MPIC 2   ";
         struct resource r;
         struct mpic *mpic;
@@ -541,8 +483,6 @@ static struct mpic * __init pmac_setup_one_mpic(struct device_node *np,
 
         pmac_call_feature(PMAC_FTR_ENABLE_MPIC, np, 0, 0);
 
-        prom_get_irq_senses(senses, offset, offset + count);
-
         flags |= MPIC_WANTS_RESET;
         if (get_property(np, "big-endian", NULL))
                 flags |= MPIC_BIG_ENDIAN;
@@ -553,8 +493,7 @@ static struct mpic * __init pmac_setup_one_mpic(struct device_node *np,
         if (master && (flags & MPIC_BIG_ENDIAN))
                 flags |= MPIC_BROKEN_U3;
 
-        mpic = mpic_alloc(r.start, flags, 0, offset, count, master ? 252 : 0,
-                          senses, count, name);
+        mpic = mpic_alloc(np, r.start, flags, 0, 0, name);
         if (mpic == NULL)
                 return NULL;
 
@@ -567,6 +506,7 @@ static int __init pmac_pic_probe_mpic(void)
 {
         struct mpic *mpic1, *mpic2;
         struct device_node *np, *master = NULL, *slave = NULL;
+        unsigned int cascade;
 
         /* We can have up to 2 MPICs cascaded */
         for (np = NULL; (np = of_find_node_by_type(np, "open-pic"))
@@ -603,8 +543,15 @@ static int __init pmac_pic_probe_mpic(void)
         of_node_put(master);
 
         /* No slave, let's go out */
-        if (slave == NULL || slave->n_intrs < 1)
+        if (slave == NULL)
+                return 0;
+
+        /* Get/Map slave interrupt */
+        cascade = irq_of_parse_and_map(slave, 0);
+        if (cascade == NO_IRQ) {
+                printk(KERN_ERR "Failed to map cascade IRQ\n");
                 return 0;
+        }
 
         mpic2 = pmac_setup_one_mpic(slave, 0);
         if (mpic2 == NULL) {
@@ -612,7 +559,8 @@ static int __init pmac_pic_probe_mpic(void)
                 of_node_put(slave);
                 return 0;
         }
-        mpic_setup_cascade(slave->intrs[0].line, pmac_u3_cascade, mpic2);
+        set_irq_data(cascade, mpic2);
+        set_irq_chained_handler(cascade, pmac_u3_cascade);
 
         of_node_put(slave);
         return 0;
@@ -621,6 +569,19 @@ static int __init pmac_pic_probe_mpic(void)
 
 void __init pmac_pic_init(void)
 {
+        unsigned int flags = 0;
+
+        /* We configure the OF parsing based on our oldworld vs. newworld
+         * platform type and wether we were booted by BootX.
+         */
+#ifdef CONFIG_PPC32
+        if (!pmac_newworld)
+                flags |= OF_IMAP_OLDWORLD_MAC;
+        if (get_property(of_chosen, "linux,bootx", NULL) != NULL)
+                flags |= OF_IMAP_NO_PHANDLE;
+        of_irq_map_init(flags);
+#endif /* CONFIG_PPC_32 */
+
         /* We first try to detect Apple's new Core99 chipset, since mac-io
          * is quite different on those machines and contains an IBM MPIC2.
          */
@@ -643,6 +604,7 @@ unsigned long sleep_save_mask[2];
 
 /* This used to be passed by the PMU driver but that link got
  * broken with the new driver model. We use this tweak for now...
+ * We really want to do things differently though...
  */
 static int pmacpic_find_viaint(void)
 {
@@ -656,7 +618,7 @@ static int pmacpic_find_viaint(void)
         np = of_find_node_by_name(NULL, "via-pmu");
         if (np == NULL)
                 goto not_found;
-        viaint = np->intrs[0].line;
+        viaint = irq_of_parse_and_map(np, 0);;
 #endif /* CONFIG_ADB_PMU */
 
 not_found:
diff --git a/arch/powerpc/platforms/powermac/pmac.h b/arch/powerpc/platforms/powermac/pmac.h
index 21c7b0f8f329..94e7b24b840b 100644
--- a/arch/powerpc/platforms/powermac/pmac.h
+++ b/arch/powerpc/platforms/powermac/pmac.h
@@ -12,6 +12,8 @@
 
 struct rtc_time;
 
+extern int pmac_newworld;
+
 extern long pmac_time_init(void);
 extern unsigned long pmac_get_boot_time(void);
 extern void pmac_get_rtc_time(struct rtc_time *);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 8654b5f07836..31a9da769fa2 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -613,9 +613,6 @@ static void __init pmac_init_early(void)
         udbg_adb_init(!!strstr(cmd_line, "btextdbg"));
 
 #ifdef CONFIG_PPC64
-        /* Setup interrupt mapping options */
-        ppc64_interrupt_controller = IC_OPEN_PIC;
-
         iommu_init_early_dart();
 #endif
 }
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 63affcb24219..827b7121ffb8 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -377,7 +377,7 @@ static void __init psurge_dual_sync_tb(int cpu_nr)
 
 static struct irqaction psurge_irqaction = {
         .handler = psurge_primary_intr,
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
         .mask = CPU_MASK_NONE,
         .name = "primary IPI",
 };
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 9639c66b453d..9df783088b61 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -72,32 +72,62 @@ static irqreturn_t ras_error_interrupt(int irq, void *dev_id,
 
 /* #define DEBUG */
 
-static void request_ras_irqs(struct device_node *np, char *propname,
+
+static void request_ras_irqs(struct device_node *np,
                         irqreturn_t (*handler)(int, void *, struct pt_regs *),
                         const char *name)
 {
-        unsigned int *ireg, len, i;
-        int virq, n_intr;
-
-        ireg = (unsigned int *)get_property(np, propname, &len);
-        if (ireg == NULL)
-                return;
-        n_intr = prom_n_intr_cells(np);
-        len /= n_intr * sizeof(*ireg);
-
-        for (i = 0; i < len; i++) {
-                virq = virt_irq_create_mapping(*ireg);
-                if (virq == NO_IRQ) {
-                        printk(KERN_ERR "Unable to allocate interrupt "
-                               "number for %s\n", np->full_name);
-                        return;
+        int i, index, count = 0;
+        struct of_irq oirq;
+        u32 *opicprop;
+        unsigned int opicplen;
+        unsigned int virqs[16];
+
+        /* Check for obsolete "open-pic-interrupt" property. If present, then
+         * map those interrupts using the default interrupt host and default
+         * trigger
+         */
+        opicprop = (u32 *)get_property(np, "open-pic-interrupt", &opicplen);
+        if (opicprop) {
+                opicplen /= sizeof(u32);
+                for (i = 0; i < opicplen; i++) {
+                        if (count > 15)
+                                break;
+                        virqs[count] = irq_create_mapping(NULL, *(opicprop++),
+                                                         IRQ_TYPE_NONE);
+                        if (virqs[count] == NO_IRQ)
+                                printk(KERN_ERR "Unable to allocate interrupt "
+                                       "number for %s\n", np->full_name);
+                        else
+                                count++;
+
                 }
-                if (request_irq(irq_offset_up(virq), handler, 0, name, NULL)) {
+        }
+        /* Else use normal interrupt tree parsing */
+        else {
+                /* First try to do a proper OF tree parsing */
+                for (index = 0; of_irq_map_one(np, index, &oirq) == 0;
+                     index++) {
+                        if (count > 15)
+                                break;
+                        virqs[count] = irq_create_of_mapping(oirq.controller,
+                                                            oirq.specifier,
+                                                            oirq.size);
+                        if (virqs[count] == NO_IRQ)
+                                printk(KERN_ERR "Unable to allocate interrupt "
+                                       "number for %s\n", np->full_name);
+                        else
+                                count++;
+                }
+        }
+
+        /* Now request them */
+        for (i = 0; i < count; i++) {
+                if (request_irq(virqs[i], handler, 0, name, NULL)) {
                         printk(KERN_ERR "Unable to request interrupt %d for "
-                               "%s\n", irq_offset_up(virq), np->full_name);
+                               "%s\n", virqs[i], np->full_name);
                         return;
                 }
-                ireg += n_intr;
         }
 }
 
@@ -115,20 +145,14 @@ static int __init init_ras_IRQ(void)
         /* Internal Errors */
         np = of_find_node_by_path("/event-sources/internal-errors");
         if (np != NULL) {
-                request_ras_irqs(np, "open-pic-interrupt", ras_error_interrupt,
-                                 "RAS_ERROR");
-                request_ras_irqs(np, "interrupts", ras_error_interrupt,
-                                 "RAS_ERROR");
+                request_ras_irqs(np, ras_error_interrupt, "RAS_ERROR");
                 of_node_put(np);
         }
 
         /* EPOW Events */
         np = of_find_node_by_path("/event-sources/epow-events");
         if (np != NULL) {
-                request_ras_irqs(np, "open-pic-interrupt", ras_epow_interrupt,
-                                 "RAS_EPOW");
-                request_ras_irqs(np, "interrupts", ras_epow_interrupt,
-                                 "RAS_EPOW");
+                request_ras_irqs(np, ras_epow_interrupt, "RAS_EPOW");
                 of_node_put(np);
         }
 
@@ -162,7 +186,7 @@ ras_epow_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 
         status = rtas_call(ras_check_exception_token, 6, 1, NULL,
                            RAS_VECTOR_OFFSET,
-                           virt_irq_to_real(irq_offset_down(irq)),
+                           irq_map[irq].hwirq,
                            RTAS_EPOW_WARNING | RTAS_POWERMGM_EVENTS,
                            critical, __pa(&ras_log_buf),
                                 rtas_get_error_log_max());
@@ -198,7 +222,7 @@ ras_error_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 
         status = rtas_call(ras_check_exception_token, 6, 1, NULL,
                            RAS_VECTOR_OFFSET,
-                           virt_irq_to_real(irq_offset_down(irq)),
+                           irq_map[irq].hwirq,
                            RTAS_INTERNAL_ERROR, 1 /*Time Critical */,
                            __pa(&ras_log_buf),
                                 rtas_get_error_log_max());
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 999509d28af8..54a52437265c 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -76,6 +76,9 @@
 #define DBG(fmt...)
 #endif
 
+/* move those away to a .h */
+extern void smp_init_pseries_mpic(void);
+extern void smp_init_pseries_xics(void);
 extern void find_udbg_vterm(void);
 
 int fwnmi_active;  /* TRUE if an FWNMI handler is present */
@@ -83,7 +86,7 @@ int fwnmi_active;  /* TRUE if an FWNMI handler is present */
 static void pseries_shared_idle_sleep(void);
 static void pseries_dedicated_idle_sleep(void);
 
-struct mpic *pSeries_mpic;
+static struct device_node *pSeries_mpic_node;
 
 static void pSeries_show_cpuinfo(struct seq_file *m)
 {
@@ -118,63 +121,92 @@ static void __init fwnmi_init(void)
                 fwnmi_active = 1;
 }
 
-static void __init pSeries_init_mpic(void)
+void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc,
+                          struct pt_regs *regs)
 {
-        unsigned int *addrp;
-        struct device_node *np;
-        unsigned long intack = 0;
-
-        /* All ISUs are setup, complete initialization */
-        mpic_init(pSeries_mpic);
-
-        /* Check what kind of cascade ACK we have */
-        if (!(np = of_find_node_by_name(NULL, "pci"))
-            || !(addrp = (unsigned int *)
-                 get_property(np, "8259-interrupt-acknowledge", NULL)))
-                printk(KERN_ERR "Cannot find pci to get ack address\n");
-        else
-                intack = addrp[prom_n_addr_cells(np)-1];
-        of_node_put(np);
-
-        /* Setup the legacy interrupts & controller */
-        i8259_init(intack, 0);
-
-        /* Hook cascade to mpic */
-        mpic_setup_cascade(NUM_ISA_INTERRUPTS, i8259_irq_cascade, NULL);
+        unsigned int cascade_irq = i8259_irq(regs);
+        if (cascade_irq != NO_IRQ)
+                generic_handle_irq(cascade_irq, regs);
+        desc->chip->eoi(irq);
 }
 
-static void __init pSeries_setup_mpic(void)
+static void __init pseries_mpic_init_IRQ(void)
 {
+        struct device_node *np, *old, *cascade = NULL;
+        unsigned int *addrp;
+        unsigned long intack = 0;
         unsigned int *opprop;
         unsigned long openpic_addr = 0;
-        unsigned char senses[NR_IRQS - NUM_ISA_INTERRUPTS];
-        struct device_node *root;
-        int irq_count;
+        unsigned int cascade_irq;
+        int naddr, n, i, opplen;
+        struct mpic *mpic;
 
-        /* Find the Open PIC if present */
-        root = of_find_node_by_path("/");
-        opprop = (unsigned int *) get_property(root, "platform-open-pic", NULL);
+        np = of_find_node_by_path("/");
+        naddr = prom_n_addr_cells(np);
+        opprop = (unsigned int *) get_property(np, "platform-open-pic", &opplen);
         if (opprop != 0) {
-                int n = prom_n_addr_cells(root);
-
-                for (openpic_addr = 0; n > 0; --n)
-                        openpic_addr = (openpic_addr << 32) + *opprop++;
+                openpic_addr = of_read_number(opprop, naddr);
                 printk(KERN_DEBUG "OpenPIC addr: %lx\n", openpic_addr);
         }
-        of_node_put(root);
+        of_node_put(np);
 
         BUG_ON(openpic_addr == 0);
 
-        /* Get the sense values from OF */
-        prom_get_irq_senses(senses, NUM_ISA_INTERRUPTS, NR_IRQS);
-        
         /* Setup the openpic driver */
-        irq_count = NR_IRQS - NUM_ISA_INTERRUPTS - 4; /* leave room for IPIs */
-        pSeries_mpic = mpic_alloc(openpic_addr, MPIC_PRIMARY,
-                                  16, 16, irq_count, /* isu size, irq offset, irq count */ 
-                                  NR_IRQS - 4, /* ipi offset */
-                                  senses, irq_count, /* sense & sense size */
-                                  " MPIC     ");
+        mpic = mpic_alloc(pSeries_mpic_node, openpic_addr,
+                          MPIC_PRIMARY,
+                          16, 250, /* isu size, irq count */
+                          " MPIC     ");
+        BUG_ON(mpic == NULL);
+
+        /* Add ISUs */
+        opplen /= sizeof(u32);
+        for (n = 0, i = naddr; i < opplen; i += naddr, n++) {
+                unsigned long isuaddr = of_read_number(opprop + i, naddr);
+                mpic_assign_isu(mpic, n, isuaddr);
+        }
+
+        /* All ISUs are setup, complete initialization */
+        mpic_init(mpic);
+
+        /* Look for cascade */
+        for_each_node_by_type(np, "interrupt-controller")
+                if (device_is_compatible(np, "chrp,iic")) {
+                        cascade = np;
+                        break;
+                }
+        if (cascade == NULL)
+                return;
+
+        cascade_irq = irq_of_parse_and_map(cascade, 0);
+        if (cascade == NO_IRQ) {
+                printk(KERN_ERR "xics: failed to map cascade interrupt");
+                return;
+        }
+
+        /* Check ACK type */
+        for (old = of_node_get(cascade); old != NULL ; old = np) {
+                np = of_get_parent(old);
+                of_node_put(old);
+                if (np == NULL)
+                        break;
+                if (strcmp(np->name, "pci") != 0)
+                        continue;
+                addrp = (u32 *)get_property(np, "8259-interrupt-acknowledge",
+                                            NULL);
+                if (addrp == NULL)
+                        continue;
+                naddr = prom_n_addr_cells(np);
+                intack = addrp[naddr-1];
+                if (naddr > 1)
+                        intack |= ((unsigned long)addrp[naddr-2]) << 32;
+        }
+        if (intack)
+                printk(KERN_DEBUG "mpic: PCI 8259 intack at 0x%016lx\n",
+                       intack);
+        i8259_init(cascade, intack);
+        of_node_put(cascade);
+        set_irq_chained_handler(cascade_irq, pseries_8259_cascade);
 }
 
 static void pseries_lpar_enable_pmcs(void)
@@ -192,23 +224,67 @@ static void pseries_lpar_enable_pmcs(void)
                 get_lppaca()->pmcregs_in_use = 1;
 }
 
-static void __init pSeries_setup_arch(void)
+#ifdef CONFIG_KEXEC
+static void pseries_kexec_cpu_down_mpic(int crash_shutdown, int secondary)
 {
-        /* Fixup ppc_md depending on the type of interrupt controller */
-        if (ppc64_interrupt_controller == IC_OPEN_PIC) {
-                ppc_md.init_IRQ       = pSeries_init_mpic;
-                ppc_md.get_irq        = mpic_get_irq;
-                /* Allocate the mpic now, so that find_and_init_phbs() can
-                 * fill the ISUs */
-                pSeries_setup_mpic();
-        } else {
-                ppc_md.init_IRQ       = xics_init_IRQ;
-                ppc_md.get_irq        = xics_get_irq;
+        mpic_teardown_this_cpu(secondary);
+}
+
+static void pseries_kexec_cpu_down_xics(int crash_shutdown, int secondary)
+{
+        /* Don't risk a hypervisor call if we're crashing */
+        if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
+                unsigned long vpa = __pa(get_lppaca());
+
+                if (unregister_vpa(hard_smp_processor_id(), vpa)) {
+                        printk("VPA deregistration of cpu %u (hw_cpu_id %d) "
+                                        "failed\n", smp_processor_id(),
+                                        hard_smp_processor_id());
+                }
         }
+        xics_teardown_cpu(secondary);
+}
+#endif /* CONFIG_KEXEC */
 
+static void __init pseries_discover_pic(void)
+{
+        struct device_node *np;
+        char *typep;
+
+        for (np = NULL; (np = of_find_node_by_name(np,
+                                                   "interrupt-controller"));) {
+                typep = (char *)get_property(np, "compatible", NULL);
+                if (strstr(typep, "open-pic")) {
+                        pSeries_mpic_node = of_node_get(np);
+                        ppc_md.init_IRQ       = pseries_mpic_init_IRQ;
+                        ppc_md.get_irq        = mpic_get_irq;
+#ifdef CONFIG_KEXEC
+                        ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_mpic;
+#endif
+#ifdef CONFIG_SMP
+                        smp_init_pseries_mpic();
+#endif
+                        return;
+                } else if (strstr(typep, "ppc-xicp")) {
+                        ppc_md.init_IRQ       = xics_init_IRQ;
+#ifdef CONFIG_KEXEC
+                        ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_xics;
+#endif
 #ifdef CONFIG_SMP
-        smp_init_pSeries();
+                        smp_init_pseries_xics();
 #endif
+                        return;
+                }
+        }
+        printk(KERN_ERR "pSeries_discover_pic: failed to recognize"
+               " interrupt-controller\n");
+}
+
+static void __init pSeries_setup_arch(void)
+{
+        /* Discover PIC type and setup ppc_md accordingly */
+        pseries_discover_pic();
+
         /* openpic global configuration register (64-bit format). */
         /* openpic Interrupt Source Unit pointer (64-bit format). */
         /* python0 facility area (mmio) (64-bit format) REAL address. */
@@ -260,41 +336,11 @@ static int __init pSeries_init_panel(void)
 }
 arch_initcall(pSeries_init_panel);
 
-static  void __init pSeries_discover_pic(void)
-{
-        struct device_node *np;
-        char *typep;
-
-        /*
-         * Setup interrupt mapping options that are needed for finish_device_tree
-         * to properly parse the OF interrupt tree & do the virtual irq mapping
-         */
-        __irq_offset_value = NUM_ISA_INTERRUPTS;
-        ppc64_interrupt_controller = IC_INVALID;
-        for (np = NULL; (np = of_find_node_by_name(np, "interrupt-controller"));) {
-                typep = (char *)get_property(np, "compatible", NULL);
-                if (strstr(typep, "open-pic")) {
-                        ppc64_interrupt_controller = IC_OPEN_PIC;
-                        break;
-                } else if (strstr(typep, "ppc-xicp")) {
-                        ppc64_interrupt_controller = IC_PPC_XIC;
-                        break;
-                }
-        }
-        if (ppc64_interrupt_controller == IC_INVALID)
-                printk("pSeries_discover_pic: failed to recognize"
-                        " interrupt-controller\n");
-
-}
-
 static void pSeries_mach_cpu_die(void)
 {
         local_irq_disable();
         idle_task_exit();
-        /* Some hardware requires clearing the CPPR, while other hardware does not
-         * it is safe either way
-         */
-        pSeriesLP_cppr_info(0, 0);
+        xics_teardown_cpu(0);
         rtas_stop_self();
         /* Should never get here... */
         BUG();
@@ -332,8 +378,6 @@ static void __init pSeries_init_early(void)
 
         iommu_init_early_pSeries();
 
-        pSeries_discover_pic();
-
         DBG(" <- pSeries_init_early()\n");
 }
 
@@ -505,27 +549,6 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus)
         return PCI_PROBE_NORMAL;
 }
 
-#ifdef CONFIG_KEXEC
-static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
-{
-        /* Don't risk a hypervisor call if we're crashing */
-        if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) {
-                unsigned long vpa = __pa(get_lppaca());
-
-                if (unregister_vpa(hard_smp_processor_id(), vpa)) {
-                        printk("VPA deregistration of cpu %u (hw_cpu_id %d) "
-                                        "failed\n", smp_processor_id(),
-                                        hard_smp_processor_id());
-                }
-        }
-
-        if (ppc64_interrupt_controller == IC_OPEN_PIC)
-                mpic_teardown_this_cpu(secondary);
-        else
-                xics_teardown_cpu(secondary);
-}
-#endif
-
 define_machine(pseries) {
         .name                   = "pSeries",
         .probe                  = pSeries_probe,
@@ -550,7 +573,6 @@ define_machine(pseries) {
         .system_reset_exception = pSeries_system_reset_exception,
         .machine_check_exception = pSeries_machine_check_exception,
 #ifdef CONFIG_KEXEC
-        .kexec_cpu_down         = pseries_kexec_cpu_down,
         .machine_kexec          = default_machine_kexec,
         .machine_kexec_prepare  = default_machine_kexec_prepare,
         .machine_crash_shutdown = default_machine_crash_shutdown,
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 4ad144df49c2..ac61098ff401 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -416,27 +416,12 @@ static struct smp_ops_t pSeries_xics_smp_ops = {
 #endif
 
 /* This is called very early */
-void __init smp_init_pSeries(void)
+static void __init smp_init_pseries(void)
 {
         int i;
 
         DBG(" -> smp_init_pSeries()\n");
 
-        switch (ppc64_interrupt_controller) {
-#ifdef CONFIG_MPIC
-        case IC_OPEN_PIC:
-                smp_ops = &pSeries_mpic_smp_ops;
-                break;
-#endif
-#ifdef CONFIG_XICS
-        case IC_PPC_XIC:
-                smp_ops = &pSeries_xics_smp_ops;
-                break;
-#endif
-        default:
-                panic("Invalid interrupt controller");
-        }
-
 #ifdef CONFIG_HOTPLUG_CPU
         smp_ops->cpu_disable = pSeries_cpu_disable;
         smp_ops->cpu_die = pSeries_cpu_die;
@@ -471,3 +456,18 @@ void __init smp_init_pSeries(void)
         DBG(" <- smp_init_pSeries()\n");
 }
 
+#ifdef CONFIG_MPIC
+void __init smp_init_pseries_mpic(void)
+{
+        smp_ops = &pSeries_mpic_smp_ops;
+
+        smp_init_pseries();
+}
+#endif
+
+void __init smp_init_pseries_xics(void)
+{
+        smp_ops = &pSeries_xics_smp_ops;
+
+        smp_init_pseries();
+}
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 4d935d0817f2..716972aa9777 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -8,6 +8,9 @@
  *  as published by the Free Software Foundation; either version
  *  2 of the License, or (at your option) any later version.
  */
+
+#undef DEBUG
+
 #include <linux/types.h>
 #include <linux/threads.h>
 #include <linux/kernel.h>
@@ -19,6 +22,7 @@
 #include <linux/gfp.h>
 #include <linux/radix-tree.h>
 #include <linux/cpu.h>
+
 #include <asm/firmware.h>
 #include <asm/prom.h>
 #include <asm/io.h>
@@ -31,26 +35,6 @@
 
 #include "xics.h"
 
-static unsigned int xics_startup(unsigned int irq);
-static void xics_enable_irq(unsigned int irq);
-static void xics_disable_irq(unsigned int irq);
-static void xics_mask_and_ack_irq(unsigned int irq);
-static void xics_end_irq(unsigned int irq);
-static void xics_set_affinity(unsigned int irq_nr, cpumask_t cpumask);
-
-static struct hw_interrupt_type xics_pic = {
-        .typename = " XICS     ",
-        .startup = xics_startup,
-        .enable = xics_enable_irq,
-        .disable = xics_disable_irq,
-        .ack = xics_mask_and_ack_irq,
-        .end = xics_end_irq,
-        .set_affinity = xics_set_affinity
-};
-
-/* This is used to map real irq numbers to virtual */
-static struct radix_tree_root irq_map = RADIX_TREE_INIT(GFP_ATOMIC);
-
 #define XICS_IPI                2
 #define XICS_IRQ_SPURIOUS       0
 
@@ -59,7 +43,7 @@ static struct radix_tree_root irq_map = RADIX_TREE_INIT(GFP_ATOMIC);
 
 /*
  * Mark IPIs as higher priority so we can take them inside interrupts that
- * arent marked SA_INTERRUPT
+ * arent marked IRQF_DISABLED
  */
 #define IPI_PRIORITY            4
 
@@ -81,12 +65,12 @@ struct xics_ipl {
 
 static struct xics_ipl __iomem *xics_per_cpu[NR_CPUS];
 
-static int xics_irq_8259_cascade = 0;
-static int xics_irq_8259_cascade_real = 0;
 static unsigned int default_server = 0xFF;
 static unsigned int default_distrib_server = 0;
 static unsigned int interrupt_server_size = 8;
 
+static struct irq_host *xics_host;
+
 /*
  * XICS only has a single IPI, so encode the messages per CPU
  */
@@ -98,48 +82,34 @@ static int ibm_set_xive;
 static int ibm_int_on;
 static int ibm_int_off;
 
-typedef struct {
-        int (*xirr_info_get)(int cpu);
-        void (*xirr_info_set)(int cpu, int val);
-        void (*cppr_info)(int cpu, u8 val);
-        void (*qirr_info)(int cpu, u8 val);
-} xics_ops;
 
+/* Direct HW low level accessors */
 
-/* SMP */
 
-static int pSeries_xirr_info_get(int n_cpu)
+static inline unsigned int direct_xirr_info_get(int n_cpu)
 {
         return in_be32(&xics_per_cpu[n_cpu]->xirr.word);
 }
 
-static void pSeries_xirr_info_set(int n_cpu, int value)
+static inline void direct_xirr_info_set(int n_cpu, int value)
 {
         out_be32(&xics_per_cpu[n_cpu]->xirr.word, value);
 }
 
-static void pSeries_cppr_info(int n_cpu, u8 value)
+static inline void direct_cppr_info(int n_cpu, u8 value)
 {
         out_8(&xics_per_cpu[n_cpu]->xirr.bytes[0], value);
 }
 
-static void pSeries_qirr_info(int n_cpu, u8 value)
+static inline void direct_qirr_info(int n_cpu, u8 value)
 {
         out_8(&xics_per_cpu[n_cpu]->qirr.bytes[0], value);
 }
 
-static xics_ops pSeries_ops = {
-        pSeries_xirr_info_get,
-        pSeries_xirr_info_set,
-        pSeries_cppr_info,
-        pSeries_qirr_info
-};
 
-static xics_ops *ops = &pSeries_ops;
+/* LPAR low level accessors */
 
 
-/* LPAR */
-
 static inline long plpar_eoi(unsigned long xirr)
 {
         return plpar_hcall_norets(H_EOI, xirr);
@@ -161,7 +131,7 @@ static inline long plpar_xirr(unsigned long *xirr_ret)
         return plpar_hcall(H_XIRR, 0, 0, 0, 0, xirr_ret, &dummy, &dummy);
 }
 
-static int pSeriesLP_xirr_info_get(int n_cpu)
+static inline unsigned int lpar_xirr_info_get(int n_cpu)
 {
         unsigned long lpar_rc;
         unsigned long return_value;
@@ -169,10 +139,10 @@ static int pSeriesLP_xirr_info_get(int n_cpu)
         lpar_rc = plpar_xirr(&return_value);
         if (lpar_rc != H_SUCCESS)
                 panic(" bad return code xirr - rc = %lx \n", lpar_rc);
-        return (int)return_value;
+        return (unsigned int)return_value;
 }
 
-static void pSeriesLP_xirr_info_set(int n_cpu, int value)
+static inline void lpar_xirr_info_set(int n_cpu, int value)
 {
         unsigned long lpar_rc;
         unsigned long val64 = value & 0xffffffff;
@@ -183,7 +153,7 @@ static void pSeriesLP_xirr_info_set(int n_cpu, int value)
                       val64);
 }
 
-void pSeriesLP_cppr_info(int n_cpu, u8 value)
+static inline void lpar_cppr_info(int n_cpu, u8 value)
 {
         unsigned long lpar_rc;
 
@@ -192,7 +162,7 @@ void pSeriesLP_cppr_info(int n_cpu, u8 value)
                 panic("bad return code cppr - rc = %lx\n", lpar_rc);
 }
 
-static void pSeriesLP_qirr_info(int n_cpu , u8 value)
+static inline void lpar_qirr_info(int n_cpu , u8 value)
 {
         unsigned long lpar_rc;
 
@@ -201,43 +171,16 @@ static void pSeriesLP_qirr_info(int n_cpu , u8 value)
                 panic("bad return code qirr - rc = %lx\n", lpar_rc);
 }
 
-xics_ops pSeriesLP_ops = {
-        pSeriesLP_xirr_info_get,
-        pSeriesLP_xirr_info_set,
-        pSeriesLP_cppr_info,
-        pSeriesLP_qirr_info
-};
-
-static unsigned int xics_startup(unsigned int virq)
-{
-        unsigned int irq;
-
-        irq = irq_offset_down(virq);
-        if (radix_tree_insert(&irq_map, virt_irq_to_real(irq),
-                              &virt_irq_to_real_map[irq]) == -ENOMEM)
-                printk(KERN_CRIT "Out of memory creating real -> virtual"
-                       " IRQ mapping for irq %u (real 0x%x)\n",
-                       virq, virt_irq_to_real(irq));
-        xics_enable_irq(virq);
-        return 0;       /* return value is ignored */
-}
 
-static unsigned int real_irq_to_virt(unsigned int real_irq)
-{
-        unsigned int *ptr;
+/* High level handlers and init code */
 
-        ptr = radix_tree_lookup(&irq_map, real_irq);
-        if (ptr == NULL)
-                return NO_IRQ;
-        return ptr - virt_irq_to_real_map;
-}
 
 #ifdef CONFIG_SMP
-static int get_irq_server(unsigned int irq)
+static int get_irq_server(unsigned int virq)
 {
         unsigned int server;
         /* For the moment only implement delivery to all cpus or one cpu */
-        cpumask_t cpumask = irq_desc[irq].affinity;
+        cpumask_t cpumask = irq_desc[virq].affinity;
         cpumask_t tmp = CPU_MASK_NONE;
 
         if (!distribute_irqs)
@@ -258,23 +201,28 @@ static int get_irq_server(unsigned int irq)
 
 }
 #else
-static int get_irq_server(unsigned int irq)
+static int get_irq_server(unsigned int virq)
 {
         return default_server;
 }
 #endif
 
-static void xics_enable_irq(unsigned int virq)
+
+static void xics_unmask_irq(unsigned int virq)
 {
         unsigned int irq;
         int call_status;
         unsigned int server;
 
-        irq = virt_irq_to_real(irq_offset_down(virq));
-        if (irq == XICS_IPI)
+        pr_debug("xics: unmask virq %d\n", virq);
+
+        irq = (unsigned int)irq_map[virq].hwirq;
+        pr_debug(" -> map to hwirq 0x%x\n", irq);
+        if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
                 return;
 
         server = get_irq_server(virq);
+
         call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server,
                                 DEFAULT_PRIORITY);
         if (call_status != 0) {
@@ -293,7 +241,7 @@ static void xics_enable_irq(unsigned int virq)
         }
 }
 
-static void xics_disable_real_irq(unsigned int irq)
+static void xics_mask_real_irq(unsigned int irq)
 {
         int call_status;
         unsigned int server;
@@ -318,75 +266,86 @@ static void xics_disable_real_irq(unsigned int irq)
         }
 }
 
-static void xics_disable_irq(unsigned int virq)
+static void xics_mask_irq(unsigned int virq)
 {
         unsigned int irq;
 
-        irq = virt_irq_to_real(irq_offset_down(virq));
-        xics_disable_real_irq(irq);
+        pr_debug("xics: mask virq %d\n", virq);
+
+        irq = (unsigned int)irq_map[virq].hwirq;
+        if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
+                return;
+        xics_mask_real_irq(irq);
+}
+
+static unsigned int xics_startup(unsigned int virq)
+{
+        unsigned int irq;
+
+        /* force a reverse mapping of the interrupt so it gets in the cache */
+        irq = (unsigned int)irq_map[virq].hwirq;
+        irq_radix_revmap(xics_host, irq);
+
+        /* unmask it */
+        xics_unmask_irq(virq);
+        return 0;
 }
 
-static void xics_end_irq(unsigned int irq)
+static void xics_eoi_direct(unsigned int virq)
 {
         int cpu = smp_processor_id();
+        unsigned int irq = (unsigned int)irq_map[virq].hwirq;
 
         iosync();
-        ops->xirr_info_set(cpu, ((0xff << 24) |
-                                 (virt_irq_to_real(irq_offset_down(irq)))));
-
+        direct_xirr_info_set(cpu, (0xff << 24) | irq);
 }
 
-static void xics_mask_and_ack_irq(unsigned int irq)
+
+static void xics_eoi_lpar(unsigned int virq)
 {
         int cpu = smp_processor_id();
+        unsigned int irq = (unsigned int)irq_map[virq].hwirq;
 
-        if (irq < irq_offset_value()) {
-                i8259_pic.ack(irq);
-                iosync();
-                ops->xirr_info_set(cpu, ((0xff<<24) |
-                                         xics_irq_8259_cascade_real));
-                iosync();
-        }
+        iosync();
+        lpar_xirr_info_set(cpu, (0xff << 24) | irq);
 }
 
-int xics_get_irq(struct pt_regs *regs)
+static inline unsigned int xics_remap_irq(unsigned int vec)
 {
-        unsigned int cpu = smp_processor_id();
-        unsigned int vec;
-        int irq;
+        unsigned int irq;
 
-        vec = ops->xirr_info_get(cpu);
-        /*  (vec >> 24) == old priority */
         vec &= 0x00ffffff;
 
-        /* for sanity, this had better be < NR_IRQS - 16 */
-        if (vec == xics_irq_8259_cascade_real) {
-                irq = i8259_irq(regs);
-                xics_end_irq(irq_offset_up(xics_irq_8259_cascade));
-        } else if (vec == XICS_IRQ_SPURIOUS) {
-                irq = -1;
-        } else {
-                irq = real_irq_to_virt(vec);
-                if (irq == NO_IRQ)
-                        irq = real_irq_to_virt_slowpath(vec);
-                if (irq == NO_IRQ) {
-                        printk(KERN_ERR "Interrupt %u (real) is invalid,"
-                               " disabling it.\n", vec);
-                        xics_disable_real_irq(vec);
-                } else
-                        irq = irq_offset_up(irq);
-        }
-        return irq;
+        if (vec == XICS_IRQ_SPURIOUS)
+                return NO_IRQ;
+        irq = irq_radix_revmap(xics_host, vec);
+        if (likely(irq != NO_IRQ))
+                return irq;
+
+        printk(KERN_ERR "Interrupt %u (real) is invalid,"
+               " disabling it.\n", vec);
+        xics_mask_real_irq(vec);
+        return NO_IRQ;
 }
 
-#ifdef CONFIG_SMP
+static unsigned int xics_get_irq_direct(struct pt_regs *regs)
+{
+        unsigned int cpu = smp_processor_id();
 
-static irqreturn_t xics_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
+        return xics_remap_irq(direct_xirr_info_get(cpu));
+}
+
+static unsigned int xics_get_irq_lpar(struct pt_regs *regs)
 {
-        int cpu = smp_processor_id();
+        unsigned int cpu = smp_processor_id();
+
+        return xics_remap_irq(lpar_xirr_info_get(cpu));
+}
 
-        ops->qirr_info(cpu, 0xff);
+#ifdef CONFIG_SMP
 
+static irqreturn_t xics_ipi_dispatch(int cpu, struct pt_regs *regs)
+{
         WARN_ON(cpu_is_offline(cpu));
 
         while (xics_ipi_message[cpu].value) {
@@ -418,18 +377,88 @@ static irqreturn_t xics_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
+static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id, struct pt_regs *regs)
+{
+        int cpu = smp_processor_id();
+
+        direct_qirr_info(cpu, 0xff);
+
+        return xics_ipi_dispatch(cpu, regs);
+}
+
+static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id, struct pt_regs *regs)
+{
+        int cpu = smp_processor_id();
+
+        lpar_qirr_info(cpu, 0xff);
+
+        return xics_ipi_dispatch(cpu, regs);
+}
+
 void xics_cause_IPI(int cpu)
 {
-        ops->qirr_info(cpu, IPI_PRIORITY);
+        if (firmware_has_feature(FW_FEATURE_LPAR))
+                lpar_qirr_info(cpu, IPI_PRIORITY);
+        else
+                direct_qirr_info(cpu, IPI_PRIORITY);
 }
+
 #endif /* CONFIG_SMP */
 
+static void xics_set_cpu_priority(int cpu, unsigned char cppr)
+{
+        if (firmware_has_feature(FW_FEATURE_LPAR))
+                lpar_cppr_info(cpu, cppr);
+        else
+                direct_cppr_info(cpu, cppr);
+        iosync();
+}
+
+static void xics_set_affinity(unsigned int virq, cpumask_t cpumask)
+{
+        unsigned int irq;
+        int status;
+        int xics_status[2];
+        unsigned long newmask;
+        cpumask_t tmp = CPU_MASK_NONE;
+
+        irq = (unsigned int)irq_map[virq].hwirq;
+        if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
+                return;
+
+        status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq);
+
+        if (status) {
+                printk(KERN_ERR "xics_set_affinity: irq=%u ibm,get-xive "
+                       "returns %d\n", irq, status);
+                return;
+        }
+
+        /* For the moment only implement delivery to all cpus or one cpu */
+        if (cpus_equal(cpumask, CPU_MASK_ALL)) {
+                newmask = default_distrib_server;
+        } else {
+                cpus_and(tmp, cpu_online_map, cpumask);
+                if (cpus_empty(tmp))
+                        return;
+                newmask = get_hard_smp_processor_id(first_cpu(tmp));
+        }
+
+        status = rtas_call(ibm_set_xive, 3, 1, NULL,
+                                irq, newmask, xics_status[1]);
+
+        if (status) {
+                printk(KERN_ERR "xics_set_affinity: irq=%u ibm,set-xive "
+                       "returns %d\n", irq, status);
+                return;
+        }
+}
+
 void xics_setup_cpu(void)
 {
         int cpu = smp_processor_id();
 
-        ops->cppr_info(cpu, 0xff);
-        iosync();
+        xics_set_cpu_priority(cpu, 0xff);
 
         /*
          * Put the calling processor into the GIQ.  This is really only
@@ -442,72 +471,266 @@ void xics_setup_cpu(void)
                 (1UL << interrupt_server_size) - 1 - default_distrib_server, 1);
 }
 
-void xics_init_IRQ(void)
+
+static struct irq_chip xics_pic_direct = {
+        .typename = " XICS     ",
+        .startup = xics_startup,
+        .mask = xics_mask_irq,
+        .unmask = xics_unmask_irq,
+        .eoi = xics_eoi_direct,
+        .set_affinity = xics_set_affinity
+};
+
+
+static struct irq_chip xics_pic_lpar = {
+        .typename = " XICS     ",
+        .startup = xics_startup,
+        .mask = xics_mask_irq,
+        .unmask = xics_unmask_irq,
+        .eoi = xics_eoi_lpar,
+        .set_affinity = xics_set_affinity
+};
+
+
+static int xics_host_match(struct irq_host *h, struct device_node *node)
+{
+        /* IBM machines have interrupt parents of various funky types for things
+         * like vdevices, events, etc... The trick we use here is to match
+         * everything here except the legacy 8259 which is compatible "chrp,iic"
+         */
+        return !device_is_compatible(node, "chrp,iic");
+}
+
+static int xics_host_map_direct(struct irq_host *h, unsigned int virq,
+                                irq_hw_number_t hw, unsigned int flags)
+{
+        unsigned int sense = flags & IRQ_TYPE_SENSE_MASK;
+
+        pr_debug("xics: map_direct virq %d, hwirq 0x%lx, flags: 0x%x\n",
+                 virq, hw, flags);
+
+        if (sense && sense != IRQ_TYPE_LEVEL_LOW)
+                printk(KERN_WARNING "xics: using unsupported sense 0x%x"
+                       " for irq %d (h: 0x%lx)\n", flags, virq, hw);
+
+        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        set_irq_chip_and_handler(virq, &xics_pic_direct, handle_fasteoi_irq);
+        return 0;
+}
+
+static int xics_host_map_lpar(struct irq_host *h, unsigned int virq,
+                              irq_hw_number_t hw, unsigned int flags)
+{
+        unsigned int sense = flags & IRQ_TYPE_SENSE_MASK;
+
+        pr_debug("xics: map_lpar virq %d, hwirq 0x%lx, flags: 0x%x\n",
+                 virq, hw, flags);
+
+        if (sense && sense != IRQ_TYPE_LEVEL_LOW)
+                printk(KERN_WARNING "xics: using unsupported sense 0x%x"
+                       " for irq %d (h: 0x%lx)\n", flags, virq, hw);
+
+        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        set_irq_chip_and_handler(virq, &xics_pic_lpar, handle_fasteoi_irq);
+        return 0;
+}
+
+static int xics_host_xlate(struct irq_host *h, struct device_node *ct,
+                           u32 *intspec, unsigned int intsize,
+                           irq_hw_number_t *out_hwirq, unsigned int *out_flags)
+
+{
+        /* Current xics implementation translates everything
+         * to level. It is not technically right for MSIs but this
+         * is irrelevant at this point. We might get smarter in the future
+         */
+        *out_hwirq = intspec[0];
+        *out_flags = IRQ_TYPE_LEVEL_LOW;
+
+        return 0;
+}
+
+static struct irq_host_ops xics_host_direct_ops = {
+        .match = xics_host_match,
+        .map = xics_host_map_direct,
+        .xlate = xics_host_xlate,
+};
+
+static struct irq_host_ops xics_host_lpar_ops = {
+        .match = xics_host_match,
+        .map = xics_host_map_lpar,
+        .xlate = xics_host_xlate,
+};
+
+static void __init xics_init_host(void)
+{
+        struct irq_host_ops *ops;
+
+        if (firmware_has_feature(FW_FEATURE_LPAR))
+                ops = &xics_host_lpar_ops;
+        else
+                ops = &xics_host_direct_ops;
+        xics_host = irq_alloc_host(IRQ_HOST_MAP_TREE, 0, ops,
+                                   XICS_IRQ_SPURIOUS);
+        BUG_ON(xics_host == NULL);
+        irq_set_default_host(xics_host);
+}
+
+static void __init xics_map_one_cpu(int hw_id, unsigned long addr,
+                                     unsigned long size)
 {
+#ifdef CONFIG_SMP
         int i;
-        unsigned long intr_size = 0;
-        struct device_node *np;
-        uint *ireg, ilen, indx = 0;
-        unsigned long intr_base = 0;
-        struct xics_interrupt_node {
-                unsigned long addr;
-                unsigned long size;
-        } intnodes[NR_CPUS];
 
-        ppc64_boot_msg(0x20, "XICS Init");
+        /* This may look gross but it's good enough for now, we don't quite
+         * have a hard -> linux processor id matching.
+         */
+        for_each_possible_cpu(i) {
+                if (!cpu_present(i))
+                        continue;
+                if (hw_id == get_hard_smp_processor_id(i)) {
+                        xics_per_cpu[i] = ioremap(addr, size);
+                        return;
+                }
+        }
+#else
+        if (hw_id != 0)
+                return;
+        xics_per_cpu[0] = ioremap(addr, size);
+#endif /* CONFIG_SMP */
+}
 
-        ibm_get_xive = rtas_token("ibm,get-xive");
-        ibm_set_xive = rtas_token("ibm,set-xive");
-        ibm_int_on  = rtas_token("ibm,int-on");
-        ibm_int_off = rtas_token("ibm,int-off");
+static void __init xics_init_one_node(struct device_node *np,
+                                      unsigned int *indx)
+{
+        unsigned int ilen;
+        u32 *ireg;
 
-        np = of_find_node_by_type(NULL, "PowerPC-External-Interrupt-Presentation");
-        if (!np)
-                panic("xics_init_IRQ: can't find interrupt presentation");
+        /* This code does the theorically broken assumption that the interrupt
+         * server numbers are the same as the hard CPU numbers.
+         * This happens to be the case so far but we are playing with fire...
+         * should be fixed one of these days. -BenH.
+         */
+        ireg = (u32 *)get_property(np, "ibm,interrupt-server-ranges", NULL);
 
-nextnode:
-        ireg = (uint *)get_property(np, "ibm,interrupt-server-ranges", NULL);
+        /* Do that ever happen ? we'll know soon enough... but even good'old
+         * f80 does have that property ..
+         */
+        WARN_ON(ireg == NULL);
         if (ireg) {
                 /*
                  * set node starting index for this node
                  */
-                indx = *ireg;
+                *indx = *ireg;
         }
-
-        ireg = (uint *)get_property(np, "reg", &ilen);
+        ireg = (u32 *)get_property(np, "reg", &ilen);
         if (!ireg)
                 panic("xics_init_IRQ: can't find interrupt reg property");
 
-        while (ilen) {
-                intnodes[indx].addr = (unsigned long)*ireg++ << 32;
-                ilen -= sizeof(uint);
-                intnodes[indx].addr |= *ireg++;
-                ilen -= sizeof(uint);
-                intnodes[indx].size = (unsigned long)*ireg++ << 32;
-                ilen -= sizeof(uint);
-                intnodes[indx].size |= *ireg++;
-                ilen -= sizeof(uint);
-                indx++;
-                if (indx >= NR_CPUS) break;
+        while (ilen >= (4 * sizeof(u32))) {
+                unsigned long addr, size;
+
+                /* XXX Use proper OF parsing code here !!! */
+                addr = (unsigned long)*ireg++ << 32;
+                ilen -= sizeof(u32);
+                addr |= *ireg++;
+                ilen -= sizeof(u32);
+                size = (unsigned long)*ireg++ << 32;
+                ilen -= sizeof(u32);
+                size |= *ireg++;
+                ilen -= sizeof(u32);
+                xics_map_one_cpu(*indx, addr, size);
+                (*indx)++;
+        }
+}
+
+
+static void __init xics_setup_8259_cascade(void)
+{
+        struct device_node *np, *old, *found = NULL;
+        int cascade, naddr;
+        u32 *addrp;
+        unsigned long intack = 0;
+
+        for_each_node_by_type(np, "interrupt-controller")
+                if (device_is_compatible(np, "chrp,iic")) {
+                        found = np;
+                        break;
+                }
+        if (found == NULL) {
+                printk(KERN_DEBUG "xics: no ISA interrupt controller\n");
+                return;
+        }
+        cascade = irq_of_parse_and_map(found, 0);
+        if (cascade == NO_IRQ) {
+                printk(KERN_ERR "xics: failed to map cascade interrupt");
+                return;
+        }
+        pr_debug("xics: cascade mapped to irq %d\n", cascade);
+
+        for (old = of_node_get(found); old != NULL ; old = np) {
+                np = of_get_parent(old);
+                of_node_put(old);
+                if (np == NULL)
+                        break;
+                if (strcmp(np->name, "pci") != 0)
+                        continue;
+                addrp = (u32 *)get_property(np, "8259-interrupt-acknowledge", NULL);
+                if (addrp == NULL)
+                        continue;
+                naddr = prom_n_addr_cells(np);
+                intack = addrp[naddr-1];
+                if (naddr > 1)
+                        intack |= ((unsigned long)addrp[naddr-2]) << 32;
+        }
+        if (intack)
+                printk(KERN_DEBUG "xics: PCI 8259 intack at 0x%016lx\n", intack);
+        i8259_init(found, intack);
+        of_node_put(found);
+        set_irq_chained_handler(cascade, pseries_8259_cascade);
+}
+
+void __init xics_init_IRQ(void)
+{
+        int i;
+        struct device_node *np;
+        u32 *ireg, ilen, indx = 0;
+        int found = 0;
+
+        ppc64_boot_msg(0x20, "XICS Init");
+
+        ibm_get_xive = rtas_token("ibm,get-xive");
+        ibm_set_xive = rtas_token("ibm,set-xive");
+        ibm_int_on  = rtas_token("ibm,int-on");
+        ibm_int_off = rtas_token("ibm,int-off");
+
+        for_each_node_by_type(np, "PowerPC-External-Interrupt-Presentation") {
+                found = 1;
+                if (firmware_has_feature(FW_FEATURE_LPAR))
+                        break;
+                xics_init_one_node(np, &indx);
         }
+        if (found == 0)
+                return;
 
-        np = of_find_node_by_type(np, "PowerPC-External-Interrupt-Presentation");
-        if ((indx < NR_CPUS) && np) goto nextnode;
+        xics_init_host();
 
         /* Find the server numbers for the boot cpu. */
         for (np = of_find_node_by_type(NULL, "cpu");
              np;
              np = of_find_node_by_type(np, "cpu")) {
-                ireg = (uint *)get_property(np, "reg", &ilen);
+                ireg = (u32 *)get_property(np, "reg", &ilen);
                 if (ireg && ireg[0] == get_hard_smp_processor_id(boot_cpuid)) {
-                        ireg = (uint *)get_property(np, "ibm,ppc-interrupt-gserver#s",
-                                                    &ilen);
+                        ireg = (u32 *)get_property(np,
+                                                  "ibm,ppc-interrupt-gserver#s",
+                                                   &ilen);
                         i = ilen / sizeof(int);
                         if (ireg && i > 0) {
                                 default_server = ireg[0];
-                                default_distrib_server = ireg[i-1]; /* take last element */
+                                /* take last element */
+                                default_distrib_server = ireg[i-1];
                         }
-                        ireg = (uint *)get_property(np,
+                        ireg = (u32 *)get_property(np,
                                         "ibm,interrupt-server#-size", NULL);
                         if (ireg)
                                 interrupt_server_size = *ireg;
@@ -516,132 +739,48 @@ nextnode:
         }
         of_node_put(np);
 
-        intr_base = intnodes[0].addr;
-        intr_size = intnodes[0].size;
-
-        np = of_find_node_by_type(NULL, "interrupt-controller");
-        if (!np) {
-                printk(KERN_DEBUG "xics: no ISA interrupt controller\n");
-                xics_irq_8259_cascade_real = -1;
-                xics_irq_8259_cascade = -1;
-        } else {
-                ireg = (uint *) get_property(np, "interrupts", NULL);
-                if (!ireg)
-                        panic("xics_init_IRQ: can't find ISA interrupts property");
-
-                xics_irq_8259_cascade_real = *ireg;
-                xics_irq_8259_cascade
-                        = virt_irq_create_mapping(xics_irq_8259_cascade_real);
-                i8259_init(0, 0);
-                of_node_put(np);
-        }
-
         if (firmware_has_feature(FW_FEATURE_LPAR))
-                ops = &pSeriesLP_ops;
-        else {
-#ifdef CONFIG_SMP
-                for_each_possible_cpu(i) {
-                        int hard_id;
-
-                        /* FIXME: Do this dynamically! --RR */
-                        if (!cpu_present(i))
-                                continue;
-
-                        hard_id = get_hard_smp_processor_id(i);
-                        xics_per_cpu[i] = ioremap(intnodes[hard_id].addr,
-                                                  intnodes[hard_id].size);
-                }
-#else
-                xics_per_cpu[0] = ioremap(intr_base, intr_size);
-#endif /* CONFIG_SMP */
-        }
-
-        for (i = irq_offset_value(); i < NR_IRQS; ++i)
-                get_irq_desc(i)->chip = &xics_pic;
+                ppc_md.get_irq = xics_get_irq_lpar;
+        else
+                ppc_md.get_irq = xics_get_irq_direct;
 
         xics_setup_cpu();
 
+        xics_setup_8259_cascade();
+
         ppc64_boot_msg(0x21, "XICS Done");
 }
 
-/*
- * We cant do this in init_IRQ because we need the memory subsystem up for
- * request_irq()
- */
-static int __init xics_setup_i8259(void)
-{
-        if (ppc64_interrupt_controller == IC_PPC_XIC &&
-            xics_irq_8259_cascade != -1) {
-                if (request_irq(irq_offset_up(xics_irq_8259_cascade),
-                                no_action, 0, "8259 cascade", NULL))
-                        printk(KERN_ERR "xics_setup_i8259: couldn't get 8259 "
-                                        "cascade\n");
-        }
-        return 0;
-}
-arch_initcall(xics_setup_i8259);
 
 #ifdef CONFIG_SMP
 void xics_request_IPIs(void)
 {
-        virt_irq_to_real_map[XICS_IPI] = XICS_IPI;
+        unsigned int ipi;
 
-        /* IPIs are marked SA_INTERRUPT as they must run with irqs disabled */
-        request_irq(irq_offset_up(XICS_IPI), xics_ipi_action, SA_INTERRUPT,
-                    "IPI", NULL);
-        get_irq_desc(irq_offset_up(XICS_IPI))->status |= IRQ_PER_CPU;
-}
-#endif
-
-static void xics_set_affinity(unsigned int virq, cpumask_t cpumask)
-{
-        unsigned int irq;
-        int status;
-        int xics_status[2];
-        unsigned long newmask;
-        cpumask_t tmp = CPU_MASK_NONE;
-
-        irq = virt_irq_to_real(irq_offset_down(virq));
-        if (irq == XICS_IPI || irq == NO_IRQ)
-                return;
-
-        status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq);
+        ipi = irq_create_mapping(xics_host, XICS_IPI, 0);
+        BUG_ON(ipi == NO_IRQ);
 
-        if (status) {
-                printk(KERN_ERR "xics_set_affinity: irq=%u ibm,get-xive "
-                       "returns %d\n", irq, status);
-                return;
-        }
-
-        /* For the moment only implement delivery to all cpus or one cpu */
-        if (cpus_equal(cpumask, CPU_MASK_ALL)) {
-                newmask = default_distrib_server;
-        } else {
-                cpus_and(tmp, cpu_online_map, cpumask);
-                if (cpus_empty(tmp))
-                        return;
-                newmask = get_hard_smp_processor_id(first_cpu(tmp));
-        }
-
-        status = rtas_call(ibm_set_xive, 3, 1, NULL,
-                                irq, newmask, xics_status[1]);
-
-        if (status) {
-                printk(KERN_ERR "xics_set_affinity: irq=%u ibm,set-xive "
-                       "returns %d\n", irq, status);
-                return;
-        }
+        /*
+         * IPIs are marked IRQF_DISABLED as they must run with irqs
+         * disabled
+         */
+        set_irq_handler(ipi, handle_percpu_irq);
+        if (firmware_has_feature(FW_FEATURE_LPAR))
+                request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED,
+                            "IPI", NULL);
+        else
+                request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED,
+                            "IPI", NULL);
 }
+#endif /* CONFIG_SMP */
 
 void xics_teardown_cpu(int secondary)
 {
         int cpu = smp_processor_id();
+        unsigned int ipi;
+        struct irq_desc *desc;
 
-        ops->cppr_info(cpu, 0x00);
-        iosync();
-
-        /* Clear IPI */
-        ops->qirr_info(cpu, 0xff);
+        xics_set_cpu_priority(cpu, 0);
 
         /*
          * we need to EOI the IPI if we got here from kexec down IPI
@@ -650,7 +789,13 @@ void xics_teardown_cpu(int secondary)
          * should we be flagging idle loop instead?
          * or creating some task to be scheduled?
          */
-        ops->xirr_info_set(cpu, XICS_IPI);
+
+        ipi = irq_find_mapping(xics_host, XICS_IPI);
+        if (ipi == XICS_IRQ_SPURIOUS)
+                return;
+        desc = get_irq_desc(ipi);
+        if (desc->chip && desc->chip->eoi)
+                desc->chip->eoi(XICS_IPI);
 
         /*
          * Some machines need to have at least one cpu in the GIQ,
@@ -658,8 +803,8 @@ void xics_teardown_cpu(int secondary)
          */
         if (secondary)
                 rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
-                        (1UL << interrupt_server_size) - 1 -
-                        default_distrib_server, 0);
+                                   (1UL << interrupt_server_size) - 1 -
+                                   default_distrib_server, 0);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -671,8 +816,7 @@ void xics_migrate_irqs_away(void)
         unsigned int irq, virq, cpu = smp_processor_id();
 
         /* Reject any interrupt that was queued to us... */
-        ops->cppr_info(cpu, 0);
-        iosync();
+        xics_set_cpu_priority(cpu, 0);
 
         /* remove ourselves from the global interrupt queue */
         status = rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
@@ -680,24 +824,23 @@ void xics_migrate_irqs_away(void)
         WARN_ON(status < 0);
 
         /* Allow IPIs again... */
-        ops->cppr_info(cpu, DEFAULT_PRIORITY);
-        iosync();
+        xics_set_cpu_priority(cpu, DEFAULT_PRIORITY);
 
         for_each_irq(virq) {
-                irq_desc_t *desc;
+                struct irq_desc *desc;
                 int xics_status[2];
                 unsigned long flags;
 
                 /* We cant set affinity on ISA interrupts */
-                if (virq < irq_offset_value())
+                if (virq < NUM_ISA_INTERRUPTS)
                         continue;
-
-                desc = get_irq_desc(virq);
-                irq = virt_irq_to_real(irq_offset_down(virq));
-
+                if (irq_map[virq].host != xics_host)
+                        continue;
+                irq = (unsigned int)irq_map[virq].hwirq;
                 /* We need to get IPIs still. */
-                if (irq == XICS_IPI || irq == NO_IRQ)
+                if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
                         continue;
+                desc = get_irq_desc(virq);
 
                 /* We only need to migrate enabled IRQS */
                 if (desc == NULL || desc->chip == NULL
diff --git a/arch/powerpc/platforms/pseries/xics.h b/arch/powerpc/platforms/pseries/xics.h
index e14c70868f1d..6ee1055b0ffb 100644
--- a/arch/powerpc/platforms/pseries/xics.h
+++ b/arch/powerpc/platforms/pseries/xics.h
@@ -14,13 +14,12 @@
 
 #include <linux/cache.h>
 
-void xics_init_IRQ(void);
-int xics_get_irq(struct pt_regs *);
-void xics_setup_cpu(void);
-void xics_teardown_cpu(int secondary);
-void xics_cause_IPI(int cpu);
-void xics_request_IPIs(void);
-void xics_migrate_irqs_away(void);
+extern void xics_init_IRQ(void);
+extern void xics_setup_cpu(void);
+extern void xics_teardown_cpu(int secondary);
+extern void xics_cause_IPI(int cpu);
+extern  void xics_request_IPIs(void);
+extern void xics_migrate_irqs_away(void);
 
 /* first argument is ignored for now*/
 void pSeriesLP_cppr_info(int n_cpu, u8 value);
@@ -31,4 +30,8 @@ struct xics_ipi_struct {
 
 extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
 
+struct irq_desc;
+extern void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc,
+                                 struct pt_regs *regs);
+
 #endif /* _POWERPC_KERNEL_XICS_H */
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index 054bd8b41ef5..cebfae242602 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -4,7 +4,6 @@ endif
 
 obj-$(CONFIG_MPIC)              += mpic.o
 obj-$(CONFIG_PPC_INDIRECT_PCI)  += indirect_pci.o
-obj-$(CONFIG_PPC_I8259)         += i8259.o
 obj-$(CONFIG_PPC_MPC106)        += grackle.o
 obj-$(CONFIG_BOOKE)             += dcr.o
 obj-$(CONFIG_40x)               += dcr.o
@@ -14,3 +13,7 @@ obj-$(CONFIG_PPC_83xx)		+= ipic.o
 obj-$(CONFIG_FSL_SOC)           += fsl_soc.o
 obj-$(CONFIG_PPC_TODC)          += todc.o
 obj-$(CONFIG_TSI108_BRIDGE)     += tsi108_pci.o tsi108_dev.o
+
+ifeq ($(CONFIG_PPC_MERGE),y)
+obj-$(CONFIG_PPC_I8259)         += i8259.o
+ endif
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index 2bff30f6d635..72c73a6105cd 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -6,11 +6,16 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
+#undef DEBUG
+
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
 #include <asm/io.h>
 #include <asm/i8259.h>
+#include <asm/prom.h>
 
 static volatile void __iomem *pci_intack; /* RO, gives us the irq vector */
 
@@ -20,7 +25,8 @@ static unsigned char cached_8259[2] = { 0xff, 0xff };
 
 static DEFINE_SPINLOCK(i8259_lock);
 
-static int i8259_pic_irq_offset;
+static struct device_node *i8259_node;
+static struct irq_host *i8259_host;
 
 /*
  * Acknowledge the IRQ using either the PCI host bridge's interrupt
@@ -28,16 +34,18 @@ static int i8259_pic_irq_offset;
  * which is called.  It should be noted that polling is broken on some
  * IBM and Motorola PReP boxes so we must use the int-ack feature on them.
  */
-int i8259_irq(struct pt_regs *regs)
+unsigned int i8259_irq(struct pt_regs *regs)
 {
         int irq;
-
-        spin_lock(&i8259_lock);
+        int lock = 0;
 
         /* Either int-ack or poll for the IRQ */
         if (pci_intack)
                 irq = readb(pci_intack);
         else {
+                spin_lock(&i8259_lock);
+                lock = 1;
+
                 /* Perform an interrupt acknowledge cycle on controller 1. */
                 outb(0x0C, 0x20);               /* prepare for poll */
                 irq = inb(0x20) & 7;
@@ -62,16 +70,13 @@ int i8259_irq(struct pt_regs *regs)
                 if (!pci_intack)
                         outb(0x0B, 0x20);       /* ISR register */
                 if(~inb(0x20) & 0x80)
-                        irq = -1;
-        }
+                        irq = NO_IRQ;
+        } else if (irq == 0xff)
+                irq = NO_IRQ;
 
-        spin_unlock(&i8259_lock);
-        return irq + i8259_pic_irq_offset;
-}
-
-int i8259_irq_cascade(struct pt_regs *regs, void *unused)
-{
-        return i8259_irq(regs);
+        if (lock)
+                spin_unlock(&i8259_lock);
+        return irq;
 }
 
 static void i8259_mask_and_ack_irq(unsigned int irq_nr)
@@ -79,7 +84,6 @@ static void i8259_mask_and_ack_irq(unsigned int irq_nr)
         unsigned long flags;
 
         spin_lock_irqsave(&i8259_lock, flags);
-        irq_nr -= i8259_pic_irq_offset;
         if (irq_nr > 7) {
                 cached_A1 |= 1 << (irq_nr-8);
                 inb(0xA1);      /* DUMMY */
@@ -105,8 +109,9 @@ static void i8259_mask_irq(unsigned int irq_nr)
 {
         unsigned long flags;
 
+        pr_debug("i8259_mask_irq(%d)\n", irq_nr);
+
         spin_lock_irqsave(&i8259_lock, flags);
-        irq_nr -= i8259_pic_irq_offset;
         if (irq_nr < 8)
                 cached_21 |= 1 << irq_nr;
         else
@@ -119,8 +124,9 @@ static void i8259_unmask_irq(unsigned int irq_nr)
 {
         unsigned long flags;
 
+        pr_debug("i8259_unmask_irq(%d)\n", irq_nr);
+
         spin_lock_irqsave(&i8259_lock, flags);
-        irq_nr -= i8259_pic_irq_offset;
         if (irq_nr < 8)
                 cached_21 &= ~(1 << irq_nr);
         else
@@ -129,19 +135,11 @@ static void i8259_unmask_irq(unsigned int irq_nr)
         spin_unlock_irqrestore(&i8259_lock, flags);
 }
 
-static void i8259_end_irq(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))
-            && irq_desc[irq].action)
-                i8259_unmask_irq(irq);
-}
-
-struct hw_interrupt_type i8259_pic = {
-        .typename = " i8259    ",
-        .enable = i8259_unmask_irq,
-        .disable = i8259_mask_irq,
-        .ack = i8259_mask_and_ack_irq,
-        .end = i8259_end_irq,
+static struct irq_chip i8259_pic = {
+        .typename       = " i8259    ",
+        .mask           = i8259_mask_irq,
+        .unmask         = i8259_unmask_irq,
+        .mask_ack       = i8259_mask_and_ack_irq,
 };
 
 static struct resource pic1_iores = {
@@ -165,25 +163,84 @@ static struct resource pic_edgectrl_iores = {
         .flags = IORESOURCE_BUSY,
 };
 
-static struct irqaction i8259_irqaction = {
-        .handler = no_action,
-        .flags = SA_INTERRUPT,
-        .mask = CPU_MASK_NONE,
-        .name = "82c59 secondary cascade",
+static int i8259_host_match(struct irq_host *h, struct device_node *node)
+{
+        return i8259_node == NULL || i8259_node == node;
+}
+
+static int i8259_host_map(struct irq_host *h, unsigned int virq,
+                          irq_hw_number_t hw, unsigned int flags)
+{
+        pr_debug("i8259_host_map(%d, 0x%lx)\n", virq, hw);
+
+        /* We block the internal cascade */
+        if (hw == 2)
+                get_irq_desc(virq)->status |= IRQ_NOREQUEST;
+
+        /* We use the level stuff only for now, we might want to
+         * be more cautious here but that works for now
+         */
+        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        set_irq_chip_and_handler(virq, &i8259_pic, handle_level_irq);
+        return 0;
+}
+
+static void i8259_host_unmap(struct irq_host *h, unsigned int virq)
+{
+        /* Make sure irq is masked in hardware */
+        i8259_mask_irq(virq);
+
+        /* remove chip and handler */
+        set_irq_chip_and_handler(virq, NULL, NULL);
+
+        /* Make sure it's completed */
+        synchronize_irq(virq);
+}
+
+static int i8259_host_xlate(struct irq_host *h, struct device_node *ct,
+                            u32 *intspec, unsigned int intsize,
+                            irq_hw_number_t *out_hwirq, unsigned int *out_flags)
+{
+        static unsigned char map_isa_senses[4] = {
+                IRQ_TYPE_LEVEL_LOW,
+                IRQ_TYPE_LEVEL_HIGH,
+                IRQ_TYPE_EDGE_FALLING,
+                IRQ_TYPE_EDGE_RISING,
+        };
+
+        *out_hwirq = intspec[0];
+        if (intsize > 1 && intspec[1] < 4)
+                *out_flags = map_isa_senses[intspec[1]];
+        else
+                *out_flags = IRQ_TYPE_NONE;
+
+        return 0;
+}
+
+static struct irq_host_ops i8259_host_ops = {
+        .match = i8259_host_match,
+        .map = i8259_host_map,
+        .unmap = i8259_host_unmap,
+        .xlate = i8259_host_xlate,
 };
 
-/*
- * i8259_init()
- * intack_addr - PCI interrupt acknowledge (real) address which will return
- *               the active irq from the 8259
+/****
+ * i8259_init - Initialize the legacy controller
+ * @node: device node of the legacy PIC (can be NULL, but then, it will match
+ *        all interrupts, so beware)
+ * @intack_addr: PCI interrupt acknowledge (real) address which will return
+ *               the active irq from the 8259
  */
-void __init i8259_init(unsigned long intack_addr, int offset)
+void i8259_init(struct device_node *node, unsigned long intack_addr)
 {
         unsigned long flags;
-        int i;
 
+        /* initialize the controller */
         spin_lock_irqsave(&i8259_lock, flags);
-        i8259_pic_irq_offset = offset;
+
+        /* Mask all first */
+        outb(0xff, 0xA1);
+        outb(0xff, 0x21);
 
         /* init master interrupt controller */
         outb(0x11, 0x20); /* Start init sequence */
@@ -197,21 +254,36 @@ void __init i8259_init(unsigned long intack_addr, int offset)
         outb(0x02, 0xA1); /* edge triggered, Cascade (slave) on IRQ2 */
         outb(0x01, 0xA1); /* Select 8086 mode */
 
+        /* That thing is slow */
+        udelay(100);
+
         /* always read ISR */
         outb(0x0B, 0x20);
         outb(0x0B, 0xA0);
 
-        /* Mask all interrupts */
+        /* Unmask the internal cascade */
+        cached_21 &= ~(1 << 2);
+
+        /* Set interrupt masks */
         outb(cached_A1, 0xA1);
         outb(cached_21, 0x21);
 
         spin_unlock_irqrestore(&i8259_lock, flags);
 
-        for (i = 0; i < NUM_ISA_INTERRUPTS; ++i)
-                irq_desc[offset + i].chip = &i8259_pic;
+        /* create a legacy host */
+        if (node)
+                i8259_node = of_node_get(node);
+        i8259_host = irq_alloc_host(IRQ_HOST_MAP_LEGACY, 0, &i8259_host_ops, 0);
+        if (i8259_host == NULL) {
+                printk(KERN_ERR "i8259: failed to allocate irq host !\n");
+                return;
+        }
 
         /* reserve our resources */
-        setup_irq(offset + 2, &i8259_irqaction);
+        /* XXX should we continue doing that ? it seems to cause problems
+         * with further requesting of PCI IO resources for that range...
+         * need to look into it.
+         */
         request_resource(&ioport_resource, &pic1_iores);
         request_resource(&ioport_resource, &pic2_iores);
         request_resource(&ioport_resource, &pic_edgectrl_iores);
@@ -219,4 +291,5 @@ void __init i8259_init(unsigned long intack_addr, int offset)
         if (intack_addr != 0)
                 pci_intack = ioremap(intack_addr, 1);
 
+        printk(KERN_INFO "i8259 legacy interrupt controller initialized\n");
 }
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 63ff89575cbb..7d31d7cc392d 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -100,8 +100,8 @@ static inline u32 _mpic_cpu_read(struct mpic *mpic, unsigned int reg)
 
         if (mpic->flags & MPIC_PRIMARY)
                 cpu = hard_smp_processor_id();
-
-        return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN, mpic->cpuregs[cpu], reg);
+        return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN,
+                          mpic->cpuregs[cpu], reg);
 }
 
 static inline void _mpic_cpu_write(struct mpic *mpic, unsigned int reg, u32 value)
@@ -340,27 +340,19 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic)
 #endif /* CONFIG_MPIC_BROKEN_U3 */
 
 
+#define mpic_irq_to_hw(virq)    ((unsigned int)irq_map[virq].hwirq)
+
 /* Find an mpic associated with a given linux interrupt */
 static struct mpic *mpic_find(unsigned int irq, unsigned int *is_ipi)
 {
-        struct mpic *mpic = mpics;
-
-        while(mpic) {
-                /* search IPIs first since they may override the main interrupts */
-                if (irq >= mpic->ipi_offset && irq < (mpic->ipi_offset + 4)) {
-                        if (is_ipi)
-                                *is_ipi = 1;
-                        return mpic;
-                }
-                if (irq >= mpic->irq_offset &&
-                    irq < (mpic->irq_offset + mpic->irq_count)) {
-                        if (is_ipi)
-                                *is_ipi = 0;
-                        return mpic;
-                }
-                mpic = mpic -> next;
-        }
-        return NULL;
+        unsigned int src = mpic_irq_to_hw(irq);
+
+        if (irq < NUM_ISA_INTERRUPTS)
+                return NULL;
+        if (is_ipi)
+                *is_ipi = (src >= MPIC_VEC_IPI_0 && src <= MPIC_VEC_IPI_3);
+
+        return irq_desc[irq].chip_data;
 }
 
 /* Convert a cpu mask from logical to physical cpu numbers. */
@@ -378,14 +370,14 @@ static inline u32 mpic_physmask(u32 cpumask)
 /* Get the mpic structure from the IPI number */
 static inline struct mpic * mpic_from_ipi(unsigned int ipi)
 {
-        return container_of(irq_desc[ipi].chip, struct mpic, hc_ipi);
+        return irq_desc[ipi].chip_data;
 }
 #endif
 
 /* Get the mpic structure from the irq number */
 static inline struct mpic * mpic_from_irq(unsigned int irq)
 {
-        return container_of(irq_desc[irq].chip, struct mpic, hc_irq);
+        return irq_desc[irq].chip_data;
 }
 
 /* Send an EOI */
@@ -398,9 +390,7 @@ static inline void mpic_eoi(struct mpic *mpic)
 #ifdef CONFIG_SMP
 static irqreturn_t mpic_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
 {
-        struct mpic *mpic = dev_id;
-
-        smp_message_recv(irq - mpic->ipi_offset, regs);
+        smp_message_recv(mpic_irq_to_hw(irq) - MPIC_VEC_IPI_0, regs);
         return IRQ_HANDLED;
 }
 #endif /* CONFIG_SMP */
@@ -410,11 +400,11 @@ static irqreturn_t mpic_ipi_action(int irq, void *dev_id, struct pt_regs *regs)
  */
 
 
-static void mpic_enable_irq(unsigned int irq)
+static void mpic_unmask_irq(unsigned int irq)
 {
         unsigned int loops = 100000;
         struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = irq - mpic->irq_offset;
+        unsigned int src = mpic_irq_to_hw(irq);
 
         DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, irq, src);
 
@@ -429,39 +419,13 @@ static void mpic_enable_irq(unsigned int irq)
                         break;
                 }
         } while(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK);    
-
-#ifdef CONFIG_MPIC_BROKEN_U3
-        if (mpic->flags & MPIC_BROKEN_U3) {
-                unsigned int src = irq - mpic->irq_offset;
-                if (mpic_is_ht_interrupt(mpic, src) &&
-                    (irq_desc[irq].status & IRQ_LEVEL))
-                        mpic_ht_end_irq(mpic, src);
-        }
-#endif /* CONFIG_MPIC_BROKEN_U3 */
-}
-
-static unsigned int mpic_startup_irq(unsigned int irq)
-{
-#ifdef CONFIG_MPIC_BROKEN_U3
-        struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = irq - mpic->irq_offset;
-#endif /* CONFIG_MPIC_BROKEN_U3 */
-
-        mpic_enable_irq(irq);
-
-#ifdef CONFIG_MPIC_BROKEN_U3
-        if (mpic_is_ht_interrupt(mpic, src))
-                mpic_startup_ht_interrupt(mpic, src, irq_desc[irq].status);
-#endif /* CONFIG_MPIC_BROKEN_U3 */
-
-        return 0;
 }
 
-static void mpic_disable_irq(unsigned int irq)
+static void mpic_mask_irq(unsigned int irq)
 {
         unsigned int loops = 100000;
         struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = irq - mpic->irq_offset;
+        unsigned int src = mpic_irq_to_hw(irq);
 
         DBG("%s: disable_irq: %d (src %d)\n", mpic->name, irq, src);
 
@@ -478,23 +442,58 @@ static void mpic_disable_irq(unsigned int irq)
         } while(!(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK));
 }
 
-static void mpic_shutdown_irq(unsigned int irq)
+static void mpic_end_irq(unsigned int irq)
 {
+        struct mpic *mpic = mpic_from_irq(irq);
+
+#ifdef DEBUG_IRQ
+        DBG("%s: end_irq: %d\n", mpic->name, irq);
+#endif
+        /* We always EOI on end_irq() even for edge interrupts since that
+         * should only lower the priority, the MPIC should have properly
+         * latched another edge interrupt coming in anyway
+         */
+
+        mpic_eoi(mpic);
+}
+
 #ifdef CONFIG_MPIC_BROKEN_U3
+
+static void mpic_unmask_ht_irq(unsigned int irq)
+{
         struct mpic *mpic = mpic_from_irq(irq);
-        unsigned int src = irq - mpic->irq_offset;
+        unsigned int src = mpic_irq_to_hw(irq);
 
-        if (mpic_is_ht_interrupt(mpic, src))
-                mpic_shutdown_ht_interrupt(mpic, src, irq_desc[irq].status);
+        mpic_unmask_irq(irq);
 
-#endif /* CONFIG_MPIC_BROKEN_U3 */
+        if (irq_desc[irq].status & IRQ_LEVEL)
+                mpic_ht_end_irq(mpic, src);
+}
+
+static unsigned int mpic_startup_ht_irq(unsigned int irq)
+{
+        struct mpic *mpic = mpic_from_irq(irq);
+        unsigned int src = mpic_irq_to_hw(irq);
+
+        mpic_unmask_irq(irq);
+        mpic_startup_ht_interrupt(mpic, src, irq_desc[irq].status);
 
-        mpic_disable_irq(irq);
+        return 0;
 }
 
-static void mpic_end_irq(unsigned int irq)
+static void mpic_shutdown_ht_irq(unsigned int irq)
 {
         struct mpic *mpic = mpic_from_irq(irq);
+        unsigned int src = mpic_irq_to_hw(irq);
+
+        mpic_shutdown_ht_interrupt(mpic, src, irq_desc[irq].status);
+        mpic_mask_irq(irq);
+}
+
+static void mpic_end_ht_irq(unsigned int irq)
+{
+        struct mpic *mpic = mpic_from_irq(irq);
+        unsigned int src = mpic_irq_to_hw(irq);
 
 #ifdef DEBUG_IRQ
         DBG("%s: end_irq: %d\n", mpic->name, irq);
@@ -504,30 +503,25 @@ static void mpic_end_irq(unsigned int irq)
          * latched another edge interrupt coming in anyway
          */
 
-#ifdef CONFIG_MPIC_BROKEN_U3
-        if (mpic->flags & MPIC_BROKEN_U3) {
-                unsigned int src = irq - mpic->irq_offset;
-                if (mpic_is_ht_interrupt(mpic, src) &&
-                    (irq_desc[irq].status & IRQ_LEVEL))
-                        mpic_ht_end_irq(mpic, src);
-        }
-#endif /* CONFIG_MPIC_BROKEN_U3 */
-
+        if (irq_desc[irq].status & IRQ_LEVEL)
+                mpic_ht_end_irq(mpic, src);
         mpic_eoi(mpic);
 }
 
+#endif /* CONFIG_MPIC_BROKEN_U3 */
+
 #ifdef CONFIG_SMP
 
-static void mpic_enable_ipi(unsigned int irq)
+static void mpic_unmask_ipi(unsigned int irq)
 {
         struct mpic *mpic = mpic_from_ipi(irq);
-        unsigned int src = irq - mpic->ipi_offset;
+        unsigned int src = mpic_irq_to_hw(irq) - MPIC_VEC_IPI_0;
 
         DBG("%s: enable_ipi: %d (ipi %d)\n", mpic->name, irq, src);
         mpic_ipi_write(src, mpic_ipi_read(src) & ~MPIC_VECPRI_MASK);
 }
 
-static void mpic_disable_ipi(unsigned int irq)
+static void mpic_mask_ipi(unsigned int irq)
 {
         /* NEVER disable an IPI... that's just plain wrong! */
 }
@@ -540,7 +534,7 @@ static void mpic_end_ipi(unsigned int irq)
          * IPIs are marked IRQ_PER_CPU. This has the side effect of
          * preventing the IRQ_PENDING/IRQ_INPROGRESS logic from
          * applying to them. We EOI them late to avoid re-entering.
-         * We mark IPI's with SA_INTERRUPT as they must run with
+         * We mark IPI's with IRQF_DISABLED as they must run with
          * irqs disabled.
          */
         mpic_eoi(mpic);
@@ -551,29 +545,176 @@ static void mpic_end_ipi(unsigned int irq)
 static void mpic_set_affinity(unsigned int irq, cpumask_t cpumask)
 {
         struct mpic *mpic = mpic_from_irq(irq);
+        unsigned int src = mpic_irq_to_hw(irq);
 
         cpumask_t tmp;
 
         cpus_and(tmp, cpumask, cpu_online_map);
 
-        mpic_irq_write(irq - mpic->irq_offset, MPIC_IRQ_DESTINATION,
+        mpic_irq_write(src, MPIC_IRQ_DESTINATION,
                        mpic_physmask(cpus_addr(tmp)[0]));       
 }
 
+static unsigned int mpic_flags_to_vecpri(unsigned int flags, int *level)
+{
+        unsigned int vecpri;
+
+        /* Now convert sense value */
+        switch(flags & IRQ_TYPE_SENSE_MASK) {
+        case IRQ_TYPE_EDGE_RISING:
+                vecpri = MPIC_VECPRI_SENSE_EDGE |
+                        MPIC_VECPRI_POLARITY_POSITIVE;
+                *level = 0;
+                break;
+        case IRQ_TYPE_EDGE_FALLING:
+                vecpri = MPIC_VECPRI_SENSE_EDGE |
+                        MPIC_VECPRI_POLARITY_NEGATIVE;
+                *level = 0;
+                break;
+        case IRQ_TYPE_LEVEL_HIGH:
+                vecpri = MPIC_VECPRI_SENSE_LEVEL |
+                        MPIC_VECPRI_POLARITY_POSITIVE;
+                *level = 1;
+                break;
+        case IRQ_TYPE_LEVEL_LOW:
+        default:
+                vecpri = MPIC_VECPRI_SENSE_LEVEL |
+                        MPIC_VECPRI_POLARITY_NEGATIVE;
+                *level = 1;
+        }
+        return vecpri;
+}
+
+static struct irq_chip mpic_irq_chip = {
+        .mask   = mpic_mask_irq,
+        .unmask = mpic_unmask_irq,
+        .eoi    = mpic_end_irq,
+};
+
+#ifdef CONFIG_SMP
+static struct irq_chip mpic_ipi_chip = {
+        .mask   = mpic_mask_ipi,
+        .unmask = mpic_unmask_ipi,
+        .eoi    = mpic_end_ipi,
+};
+#endif /* CONFIG_SMP */
+
+#ifdef CONFIG_MPIC_BROKEN_U3
+static struct irq_chip mpic_irq_ht_chip = {
+        .startup        = mpic_startup_ht_irq,
+        .shutdown       = mpic_shutdown_ht_irq,
+        .mask           = mpic_mask_irq,
+        .unmask         = mpic_unmask_ht_irq,
+        .eoi            = mpic_end_ht_irq,
+};
+#endif /* CONFIG_MPIC_BROKEN_U3 */
+
+
+static int mpic_host_match(struct irq_host *h, struct device_node *node)
+{
+        struct mpic *mpic = h->host_data;
+
+        /* Exact match, unless mpic node is NULL */
+        return mpic->of_node == NULL || mpic->of_node == node;
+}
+
+static int mpic_host_map(struct irq_host *h, unsigned int virq,
+                         irq_hw_number_t hw, unsigned int flags)
+{
+        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_chip *chip;
+        struct mpic *mpic = h->host_data;
+        unsigned int vecpri = MPIC_VECPRI_SENSE_LEVEL |
+                MPIC_VECPRI_POLARITY_NEGATIVE;
+        int level;
+
+        pr_debug("mpic: map virq %d, hwirq 0x%lx, flags: 0x%x\n",
+                 virq, hw, flags);
+
+        if (hw == MPIC_VEC_SPURRIOUS)
+                return -EINVAL;
+#ifdef CONFIG_SMP
+        else if (hw >= MPIC_VEC_IPI_0) {
+                WARN_ON(!(mpic->flags & MPIC_PRIMARY));
+
+                pr_debug("mpic: mapping as IPI\n");
+                set_irq_chip_data(virq, mpic);
+                set_irq_chip_and_handler(virq, &mpic->hc_ipi,
+                                         handle_percpu_irq);
+                return 0;
+        }
+#endif /* CONFIG_SMP */
+
+        if (hw >= mpic->irq_count)
+                return -EINVAL;
+
+        /* If no sense provided, check default sense array */
+        if (((flags & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_NONE) &&
+            mpic->senses && hw < mpic->senses_count)
+                flags |= mpic->senses[hw];
+
+        vecpri = mpic_flags_to_vecpri(flags, &level);
+        if (level)
+                desc->status |= IRQ_LEVEL;
+        chip = &mpic->hc_irq;
+
+#ifdef CONFIG_MPIC_BROKEN_U3
+        /* Check for HT interrupts, override vecpri */
+        if (mpic_is_ht_interrupt(mpic, hw)) {
+                vecpri &= ~(MPIC_VECPRI_SENSE_MASK |
+                            MPIC_VECPRI_POLARITY_MASK);
+                vecpri |= MPIC_VECPRI_POLARITY_POSITIVE;
+                chip = &mpic->hc_ht_irq;
+        }
+#endif
+
+        /* Reconfigure irq */
+        vecpri |= MPIC_VECPRI_MASK | hw | (8 << MPIC_VECPRI_PRIORITY_SHIFT);
+        mpic_irq_write(hw, MPIC_IRQ_VECTOR_PRI, vecpri);
+
+        pr_debug("mpic: mapping as IRQ\n");
+
+        set_irq_chip_data(virq, mpic);
+        set_irq_chip_and_handler(virq, chip, handle_fasteoi_irq);
+        return 0;
+}
+
+static int mpic_host_xlate(struct irq_host *h, struct device_node *ct,
+                           u32 *intspec, unsigned int intsize,
+                           irq_hw_number_t *out_hwirq, unsigned int *out_flags)
+
+{
+        static unsigned char map_mpic_senses[4] = {
+                IRQ_TYPE_EDGE_RISING,
+                IRQ_TYPE_LEVEL_LOW,
+                IRQ_TYPE_LEVEL_HIGH,
+                IRQ_TYPE_EDGE_FALLING,
+        };
+
+        *out_hwirq = intspec[0];
+        if (intsize > 1 && intspec[1] < 4)
+                *out_flags = map_mpic_senses[intspec[1]];
+        else
+                *out_flags = IRQ_TYPE_NONE;
+
+        return 0;
+}
+
+static struct irq_host_ops mpic_host_ops = {
+        .match = mpic_host_match,
+        .map = mpic_host_map,
+        .xlate = mpic_host_xlate,
+};
 
 /*
  * Exported functions
  */
 
-
-struct mpic * __init mpic_alloc(unsigned long phys_addr,
+struct mpic * __init mpic_alloc(struct device_node *node,
+                                unsigned long phys_addr,
                                 unsigned int flags,
                                 unsigned int isu_size,
-                                unsigned int irq_offset,
                                 unsigned int irq_count,
-                                unsigned int ipi_offset,
-                                unsigned char *senses,
-                                unsigned int senses_count,
                                 const char *name)
 {
         struct mpic     *mpic;
@@ -585,33 +726,38 @@ struct mpic * __init mpic_alloc(unsigned long phys_addr,
         if (mpic == NULL)
                 return NULL;
         
-
         memset(mpic, 0, sizeof(struct mpic));
         mpic->name = name;
+        mpic->of_node = node ? of_node_get(node) : NULL;
 
+        mpic->irqhost = irq_alloc_host(IRQ_HOST_MAP_LINEAR, 256,
+                                       &mpic_host_ops,
+                                       MPIC_VEC_SPURRIOUS);
+        if (mpic->irqhost == NULL) {
+                of_node_put(node);
+                return NULL;
+        }
+
+        mpic->irqhost->host_data = mpic;
+        mpic->hc_irq = mpic_irq_chip;
         mpic->hc_irq.typename = name;
-        mpic->hc_irq.startup = mpic_startup_irq;
-        mpic->hc_irq.shutdown = mpic_shutdown_irq;
-        mpic->hc_irq.enable = mpic_enable_irq;
-        mpic->hc_irq.disable = mpic_disable_irq;
-        mpic->hc_irq.end = mpic_end_irq;
         if (flags & MPIC_PRIMARY)
                 mpic->hc_irq.set_affinity = mpic_set_affinity;
+#ifdef CONFIG_MPIC_BROKEN_U3
+        mpic->hc_ht_irq = mpic_irq_ht_chip;
+        mpic->hc_ht_irq.typename = name;
+        if (flags & MPIC_PRIMARY)
+                mpic->hc_ht_irq.set_affinity = mpic_set_affinity;
+#endif /* CONFIG_MPIC_BROKEN_U3 */
 #ifdef CONFIG_SMP
+        mpic->hc_ipi = mpic_ipi_chip;
         mpic->hc_ipi.typename = name;
-        mpic->hc_ipi.enable = mpic_enable_ipi;
-        mpic->hc_ipi.disable = mpic_disable_ipi;
-        mpic->hc_ipi.end = mpic_end_ipi;
 #endif /* CONFIG_SMP */
 
         mpic->flags = flags;
         mpic->isu_size = isu_size;
-        mpic->irq_offset = irq_offset;
         mpic->irq_count = irq_count;
-        mpic->ipi_offset = ipi_offset;
         mpic->num_sources = 0; /* so far */
-        mpic->senses = senses;
-        mpic->senses_count = senses_count;
 
         /* Map the global registers */
         mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000);
@@ -679,8 +825,10 @@ struct mpic * __init mpic_alloc(unsigned long phys_addr,
         mpic->next = mpics;
         mpics = mpic;
 
-        if (flags & MPIC_PRIMARY)
+        if (flags & MPIC_PRIMARY) {
                 mpic_primary = mpic;
+                irq_set_default_host(mpic->irqhost);
+        }
 
         return mpic;
 }
@@ -697,26 +845,10 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
                 mpic->num_sources = isu_first + mpic->isu_size;
 }
 
-void __init mpic_setup_cascade(unsigned int irq, mpic_cascade_t handler,
-                               void *data)
+void __init mpic_set_default_senses(struct mpic *mpic, u8 *senses, int count)
 {
-        struct mpic *mpic = mpic_find(irq, NULL);
-        unsigned long flags;
-
-        /* Synchronization here is a bit dodgy, so don't try to replace cascade
-         * interrupts on the fly too often ... but normally it's set up at boot.
-         */
-        spin_lock_irqsave(&mpic_lock, flags);
-        if (mpic->cascade)             
-                mpic_disable_irq(mpic->cascade_vec + mpic->irq_offset);
-        mpic->cascade = NULL;
-        wmb();
-        mpic->cascade_vec = irq - mpic->irq_offset;
-        mpic->cascade_data = data;
-        wmb();
-        mpic->cascade = handler;
-        mpic_enable_irq(irq);
-        spin_unlock_irqrestore(&mpic_lock, flags);
+        mpic->senses = senses;
+        mpic->senses_count = count;
 }
 
 void __init mpic_init(struct mpic *mpic)
@@ -724,6 +856,11 @@ void __init mpic_init(struct mpic *mpic)
         int i;
 
         BUG_ON(mpic->num_sources == 0);
+        WARN_ON(mpic->num_sources > MPIC_VEC_IPI_0);
+
+        /* Sanitize source count */
+        if (mpic->num_sources > MPIC_VEC_IPI_0)
+                mpic->num_sources = MPIC_VEC_IPI_0;
 
         printk(KERN_INFO "mpic: Initializing for %d sources\n", mpic->num_sources);
 
@@ -747,12 +884,6 @@ void __init mpic_init(struct mpic *mpic)
                                MPIC_VECPRI_MASK |
                                (10 << MPIC_VECPRI_PRIORITY_SHIFT) |
                                (MPIC_VEC_IPI_0 + i));
-#ifdef CONFIG_SMP
-                if (!(mpic->flags & MPIC_PRIMARY))
-                        continue;
-                irq_desc[mpic->ipi_offset+i].status |= IRQ_PER_CPU;
-                irq_desc[mpic->ipi_offset+i].chip = &mpic->hc_ipi;
-#endif /* CONFIG_SMP */
         }
 
         /* Initialize interrupt sources */
@@ -763,31 +894,21 @@ void __init mpic_init(struct mpic *mpic)
         /* Do the HT PIC fixups on U3 broken mpic */
         DBG("MPIC flags: %x\n", mpic->flags);
         if ((mpic->flags & MPIC_BROKEN_U3) && (mpic->flags & MPIC_PRIMARY))
-                mpic_scan_ht_pics(mpic);
+                mpic_scan_ht_pics(mpic);
 #endif /* CONFIG_MPIC_BROKEN_U3 */
 
         for (i = 0; i < mpic->num_sources; i++) {
                 /* start with vector = source number, and masked */
                 u32 vecpri = MPIC_VECPRI_MASK | i | (8 << MPIC_VECPRI_PRIORITY_SHIFT);
-                int level = 0;
+                int level = 1;
                 
-                /* if it's an IPI, we skip it */
-                if ((mpic->irq_offset + i) >= (mpic->ipi_offset + i) &&
-                    (mpic->irq_offset + i) <  (mpic->ipi_offset + i + 4))
-                        continue;
-
                 /* do senses munging */
-                if (mpic->senses && i < mpic->senses_count) {
-                        if (mpic->senses[i] & IRQ_SENSE_LEVEL)
-                                vecpri |= MPIC_VECPRI_SENSE_LEVEL;
-                        if (mpic->senses[i] & IRQ_POLARITY_POSITIVE)
-                                vecpri |= MPIC_VECPRI_POLARITY_POSITIVE;
-                } else
+                if (mpic->senses && i < mpic->senses_count)
+                        vecpri = mpic_flags_to_vecpri(mpic->senses[i],
+                                                      &level);
+                else
                         vecpri |= MPIC_VECPRI_SENSE_LEVEL;
 
-                /* remember if it was a level interrupts */
-                level = (vecpri & MPIC_VECPRI_SENSE_LEVEL);
-
                 /* deal with broken U3 */
                 if (mpic->flags & MPIC_BROKEN_U3) {
 #ifdef CONFIG_MPIC_BROKEN_U3
@@ -808,12 +929,6 @@ void __init mpic_init(struct mpic *mpic)
                 mpic_irq_write(i, MPIC_IRQ_VECTOR_PRI, vecpri);
                 mpic_irq_write(i, MPIC_IRQ_DESTINATION,
                                1 << hard_smp_processor_id());
-
-                /* init linux descriptors */
-                if (i < mpic->irq_count) {
-                        irq_desc[mpic->irq_offset+i].status = level ? IRQ_LEVEL : 0;
-                        irq_desc[mpic->irq_offset+i].chip = &mpic->hc_irq;
-                }
         }
         
         /* Init spurrious vector */
@@ -854,19 +969,20 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
 {
         int is_ipi;
         struct mpic *mpic = mpic_find(irq, &is_ipi);
+        unsigned int src = mpic_irq_to_hw(irq);
         unsigned long flags;
         u32 reg;
 
         spin_lock_irqsave(&mpic_lock, flags);
         if (is_ipi) {
-                reg = mpic_ipi_read(irq - mpic->ipi_offset) &
+                reg = mpic_ipi_read(src - MPIC_VEC_IPI_0) &
                         ~MPIC_VECPRI_PRIORITY_MASK;
-                mpic_ipi_write(irq - mpic->ipi_offset,
+                mpic_ipi_write(src - MPIC_VEC_IPI_0,
                                reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
         } else {
-                reg = mpic_irq_read(irq - mpic->irq_offset,MPIC_IRQ_VECTOR_PRI)
+                reg = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI)
                         & ~MPIC_VECPRI_PRIORITY_MASK;
-                mpic_irq_write(irq - mpic->irq_offset, MPIC_IRQ_VECTOR_PRI,
+                mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
                                reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
         }
         spin_unlock_irqrestore(&mpic_lock, flags);
@@ -876,14 +992,15 @@ unsigned int mpic_irq_get_priority(unsigned int irq)
 {
         int is_ipi;
         struct mpic *mpic = mpic_find(irq, &is_ipi);
+        unsigned int src = mpic_irq_to_hw(irq);
         unsigned long flags;
         u32 reg;
 
         spin_lock_irqsave(&mpic_lock, flags);
         if (is_ipi)
-                reg = mpic_ipi_read(irq - mpic->ipi_offset);
+                reg = mpic_ipi_read(src = MPIC_VEC_IPI_0);
         else
-                reg = mpic_irq_read(irq - mpic->irq_offset, MPIC_IRQ_VECTOR_PRI);
+                reg = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI);
         spin_unlock_irqrestore(&mpic_lock, flags);
         return (reg & MPIC_VECPRI_PRIORITY_MASK) >> MPIC_VECPRI_PRIORITY_SHIFT;
 }
@@ -978,37 +1095,20 @@ void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask)
                        mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0]));
 }
 
-int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs)
+unsigned int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs)
 {
-        u32 irq;
+        u32 src;
 
-        irq = mpic_cpu_read(MPIC_CPU_INTACK) & MPIC_VECPRI_VECTOR_MASK;
-#ifdef DEBUG_LOW
-        DBG("%s: get_one_irq(): %d\n", mpic->name, irq);
-#endif
-        if (mpic->cascade && irq == mpic->cascade_vec) {
+        src = mpic_cpu_read(MPIC_CPU_INTACK) & MPIC_VECPRI_VECTOR_MASK;
 #ifdef DEBUG_LOW
-                DBG("%s: cascading ...\n", mpic->name);
-#endif
-                irq = mpic->cascade(regs, mpic->cascade_data);
-                mpic_eoi(mpic);
-                return irq;
-        }
-        if (unlikely(irq == MPIC_VEC_SPURRIOUS))
-                return -1;
-        if (irq < MPIC_VEC_IPI_0) {
-#ifdef DEBUG_IRQ
-                DBG("%s: irq %d\n", mpic->name, irq + mpic->irq_offset);
-#endif
-                return irq + mpic->irq_offset;
-        }
-#ifdef DEBUG_IPI
-        DBG("%s: ipi %d !\n", mpic->name, irq - MPIC_VEC_IPI_0);
+        DBG("%s: get_one_irq(): %d\n", mpic->name, src);
 #endif
-        return irq - MPIC_VEC_IPI_0 + mpic->ipi_offset;
+        if (unlikely(src == MPIC_VEC_SPURRIOUS))
+                return NO_IRQ;
+        return irq_linear_revmap(mpic->irqhost, src);
 }
 
-int mpic_get_irq(struct pt_regs *regs)
+unsigned int mpic_get_irq(struct pt_regs *regs)
 {
         struct mpic *mpic = mpic_primary;
 
@@ -1022,22 +1122,27 @@ int mpic_get_irq(struct pt_regs *regs)
 void mpic_request_ipis(void)
 {
         struct mpic *mpic = mpic_primary;
-
+        int i;
+        static char *ipi_names[] = {
+                "IPI0 (call function)",
+                "IPI1 (reschedule)",
+                "IPI2 (unused)",
+                "IPI3 (debugger break)",
+        };
         BUG_ON(mpic == NULL);
-        
-        printk("requesting IPIs ... \n");
-
-        /* IPIs are marked SA_INTERRUPT as they must run with irqs disabled */
-        request_irq(mpic->ipi_offset+0, mpic_ipi_action, SA_INTERRUPT,
-                    "IPI0 (call function)", mpic);
-        request_irq(mpic->ipi_offset+1, mpic_ipi_action, SA_INTERRUPT,
-                   "IPI1 (reschedule)", mpic);
-        request_irq(mpic->ipi_offset+2, mpic_ipi_action, SA_INTERRUPT,
-                   "IPI2 (unused)", mpic);
-        request_irq(mpic->ipi_offset+3, mpic_ipi_action, SA_INTERRUPT,
-                   "IPI3 (debugger break)", mpic);
-
-        printk("IPIs requested... \n");
+
+        printk(KERN_INFO "mpic: requesting IPIs ... \n");
+
+        for (i = 0; i < 4; i++) {
+                unsigned int vipi = irq_create_mapping(mpic->irqhost,
+                                                       MPIC_VEC_IPI_0 + i, 0);
+                if (vipi == NO_IRQ) {
+                        printk(KERN_ERR "Failed to map IPI %d\n", i);
+                        break;
+                }
+                request_irq(vipi, mpic_ipi_action, IRQF_DISABLED,
+                            ipi_names[i], mpic);
+        }
 }
 
 void smp_mpic_message_pass(int target, int msg)
diff --git a/arch/ppc/8260_io/fcc_enet.c b/arch/ppc/8260_io/fcc_enet.c
index cd5f3faa4b20..e347fe88316d 100644
--- a/arch/ppc/8260_io/fcc_enet.c
+++ b/arch/ppc/8260_io/fcc_enet.c
@@ -2116,7 +2116,7 @@ init_fcc_startup(fcc_info_t *fip, struct net_device *dev)
 
 #ifdef  PHY_INTERRUPT
 #ifdef CONFIG_ADS8272
-        if (request_irq(PHY_INTERRUPT, mii_link_interrupt, SA_SHIRQ,
+        if (request_irq(PHY_INTERRUPT, mii_link_interrupt, IRQF_SHARED,
                                 "mii", dev) < 0)
                 printk(KERN_CRIT "Can't get MII IRQ %d\n", PHY_INTERRUPT);
 #else
diff --git a/arch/ppc/platforms/85xx/mpc8560_ads.c b/arch/ppc/platforms/85xx/mpc8560_ads.c
index 026ace320729..d90cd24d018e 100644
--- a/arch/ppc/platforms/85xx/mpc8560_ads.c
+++ b/arch/ppc/platforms/85xx/mpc8560_ads.c
@@ -131,7 +131,7 @@ static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction cpm2_irqaction = {
         .handler = cpm2_cascade,
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
         .mask = CPU_MASK_NONE,
         .name = "cpm2_cascade",
 };
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
index 139cf0d00855..75204588a3e7 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
@@ -136,7 +136,7 @@ static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction cpm2_irqaction = {
         .handler = cpm2_cascade,
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
         .mask = CPU_MASK_NONE,
         .name = "cpm2_cascade",
 };
diff --git a/arch/ppc/platforms/85xx/stx_gp3.c b/arch/ppc/platforms/85xx/stx_gp3.c
index 224612412cbe..495aa79bb3a1 100644
--- a/arch/ppc/platforms/85xx/stx_gp3.c
+++ b/arch/ppc/platforms/85xx/stx_gp3.c
@@ -166,7 +166,7 @@ static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction cpm2_irqaction = {
         .handler        = cpm2_cascade,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .mask           = CPU_MASK_NONE,
         .name           = "cpm2_cascade",
 };
diff --git a/arch/ppc/platforms/85xx/tqm85xx.c b/arch/ppc/platforms/85xx/tqm85xx.c
index 1c90f113cc8f..189ed4175f9f 100644
--- a/arch/ppc/platforms/85xx/tqm85xx.c
+++ b/arch/ppc/platforms/85xx/tqm85xx.c
@@ -190,7 +190,7 @@ static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction cpm2_irqaction = {
         .handler = cpm2_cascade,
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
         .mask = CPU_MASK_NONE,
         .name = "cpm2_cascade",
 };
diff --git a/arch/ppc/platforms/hdpu.c b/arch/ppc/platforms/hdpu.c
index 71af4b488621..e0f112a1fd0b 100644
--- a/arch/ppc/platforms/hdpu.c
+++ b/arch/ppc/platforms/hdpu.c
@@ -837,7 +837,7 @@ static void smp_hdpu_setup_cpu(int cpu_nr)
                 mv64x60_write(&bh, MV64360_CPU0_DOORBELL_CLR, 0xff);
                 mv64x60_write(&bh, MV64360_CPU0_DOORBELL_MASK, 0xff);
                 request_irq(60, hdpu_smp_cpu0_int_handler,
-                            SA_INTERRUPT, hdpu_smp0, 0);
+                            IRQF_DISABLED, hdpu_smp0, 0);
         }
 
         if (cpu_nr == 1) {
@@ -857,7 +857,7 @@ static void smp_hdpu_setup_cpu(int cpu_nr)
                 mv64x60_write(&bh, MV64360_CPU1_DOORBELL_CLR, 0x0);
                 mv64x60_write(&bh, MV64360_CPU1_DOORBELL_MASK, 0xff);
                 request_irq(28, hdpu_smp_cpu1_int_handler,
-                            SA_INTERRUPT, hdpu_smp1, 0);
+                            IRQF_DISABLED, hdpu_smp1, 0);
         }
 
 }
diff --git a/arch/ppc/platforms/radstone_ppc7d.c b/arch/ppc/platforms/radstone_ppc7d.c
index 97d6c21091e0..3bb530af0297 100644
--- a/arch/ppc/platforms/radstone_ppc7d.c
+++ b/arch/ppc/platforms/radstone_ppc7d.c
@@ -1310,7 +1310,7 @@ static void ppc7d_init2(void)
 
         /* Hook up i8259 interrupt which is connected to GPP28 */
         request_irq(mv64360_irq_base + MV64x60_IRQ_GPP28, ppc7d_i8259_intr,
-                    SA_INTERRUPT, "I8259 (GPP28) interrupt", (void *)0);
+                    IRQF_DISABLED, "I8259 (GPP28) interrupt", (void *)0);
 
         /* Configure MPP16 as watchdog NMI, MPP17 as watchdog WDE */
         spin_lock_irqsave(&mv64x60_lock, flags);
diff --git a/arch/ppc/platforms/sbc82xx.c b/arch/ppc/platforms/sbc82xx.c
index 8cff1e303349..60b769c7f3fc 100644
--- a/arch/ppc/platforms/sbc82xx.c
+++ b/arch/ppc/platforms/sbc82xx.c
@@ -145,7 +145,7 @@ static irqreturn_t sbc82xx_i8259_demux(int irq, void *dev_id, struct pt_regs *re
 
 static struct irqaction sbc82xx_i8259_irqaction = {
         .handler = sbc82xx_i8259_demux,
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
         .mask = CPU_MASK_NONE,
         .name = "i8259 demux",
 };
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 490749ca88f9..2497bbc07e76 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -104,3 +104,5 @@ obj-$(CONFIG_PPC_MPC52xx)	+= mpc52xx_setup.o mpc52xx_pic.o \
 ifeq ($(CONFIG_PPC_MPC52xx),y)
 obj-$(CONFIG_PCI)               += mpc52xx_pci.o
 endif
+
+obj-$(CONFIG_PPC_I8259)         += i8259.o
diff --git a/arch/ppc/syslib/btext.c b/arch/ppc/syslib/btext.c
index 51ab6e90fe25..d11667046f21 100644
--- a/arch/ppc/syslib/btext.c
+++ b/arch/ppc/syslib/btext.c
@@ -6,7 +6,7 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/init.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 
 #include <asm/sections.h>
 #include <asm/bootx.h>
diff --git a/arch/ppc/syslib/gt64260_pic.c b/arch/ppc/syslib/gt64260_pic.c
index 91096b38ae70..7fd550a7d586 100644
--- a/arch/ppc/syslib/gt64260_pic.c
+++ b/arch/ppc/syslib/gt64260_pic.c
@@ -297,7 +297,7 @@ gt64260_register_hdlrs(void)
 
         /* Register CPU interface error interrupt handler */
         if ((rc = request_irq(MV64x60_IRQ_CPU_ERR,
-                gt64260_cpu_error_int_handler, SA_INTERRUPT, CPU_INTR_STR, 0)))
+                gt64260_cpu_error_int_handler, IRQF_DISABLED, CPU_INTR_STR, 0)))
                 printk(KERN_WARNING "Can't register cpu error handler: %d", rc);
 
         mv64x60_write(&bh, MV64x60_CPU_ERR_MASK, 0);
@@ -305,7 +305,7 @@ gt64260_register_hdlrs(void)
 
         /* Register PCI 0 error interrupt handler */
         if ((rc = request_irq(MV64360_IRQ_PCI0, gt64260_pci_error_int_handler,
-                    SA_INTERRUPT, PCI0_INTR_STR, (void *)0)))
+                    IRQF_DISABLED, PCI0_INTR_STR, (void *)0)))
                 printk(KERN_WARNING "Can't register pci 0 error handler: %d",
                         rc);
 
@@ -314,7 +314,7 @@ gt64260_register_hdlrs(void)
 
         /* Register PCI 1 error interrupt handler */
         if ((rc = request_irq(MV64360_IRQ_PCI1, gt64260_pci_error_int_handler,
-                    SA_INTERRUPT, PCI1_INTR_STR, (void *)1)))
+                    IRQF_DISABLED, PCI1_INTR_STR, (void *)1)))
                 printk(KERN_WARNING "Can't register pci 1 error handler: %d",
                         rc);
 
diff --git a/arch/ppc/syslib/i8259.c b/arch/ppc/syslib/i8259.c
new file mode 100644
index 000000000000..eb35353af837
--- /dev/null
+++ b/arch/ppc/syslib/i8259.c
@@ -0,0 +1,212 @@
+/*
+ * i8259 interrupt controller driver.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+#include <asm/i8259.h>
+
+static volatile void __iomem *pci_intack; /* RO, gives us the irq vector */
+
+static unsigned char cached_8259[2] = { 0xff, 0xff };
+#define cached_A1 (cached_8259[0])
+#define cached_21 (cached_8259[1])
+
+static DEFINE_SPINLOCK(i8259_lock);
+
+static int i8259_pic_irq_offset;
+
+/*
+ * Acknowledge the IRQ using either the PCI host bridge's interrupt
+ * acknowledge feature or poll.  How i8259_init() is called determines
+ * which is called.  It should be noted that polling is broken on some
+ * IBM and Motorola PReP boxes so we must use the int-ack feature on them.
+ */
+int i8259_irq(struct pt_regs *regs)
+{
+        int irq;
+
+        spin_lock(&i8259_lock);
+
+        /* Either int-ack or poll for the IRQ */
+        if (pci_intack)
+                irq = readb(pci_intack);
+        else {
+                /* Perform an interrupt acknowledge cycle on controller 1. */
+                outb(0x0C, 0x20);               /* prepare for poll */
+                irq = inb(0x20) & 7;
+                if (irq == 2 ) {
+                        /*
+                         * Interrupt is cascaded so perform interrupt
+                         * acknowledge on controller 2.
+                         */
+                        outb(0x0C, 0xA0);       /* prepare for poll */
+                        irq = (inb(0xA0) & 7) + 8;
+                }
+        }
+
+        if (irq == 7) {
+                /*
+                 * This may be a spurious interrupt.
+                 *
+                 * Read the interrupt status register (ISR). If the most
+                 * significant bit is not set then there is no valid
+                 * interrupt.
+                 */
+                if (!pci_intack)
+                        outb(0x0B, 0x20);       /* ISR register */
+                if(~inb(0x20) & 0x80)
+                        irq = -1;
+        }
+
+        spin_unlock(&i8259_lock);
+        return irq + i8259_pic_irq_offset;
+}
+
+static void i8259_mask_and_ack_irq(unsigned int irq_nr)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&i8259_lock, flags);
+        irq_nr -= i8259_pic_irq_offset;
+        if (irq_nr > 7) {
+                cached_A1 |= 1 << (irq_nr-8);
+                inb(0xA1);      /* DUMMY */
+                outb(cached_A1, 0xA1);
+                outb(0x20, 0xA0);       /* Non-specific EOI */
+                outb(0x20, 0x20);       /* Non-specific EOI to cascade */
+        } else {
+                cached_21 |= 1 << irq_nr;
+                inb(0x21);      /* DUMMY */
+                outb(cached_21, 0x21);
+                outb(0x20, 0x20);       /* Non-specific EOI */
+        }
+        spin_unlock_irqrestore(&i8259_lock, flags);
+}
+
+static void i8259_set_irq_mask(int irq_nr)
+{
+        outb(cached_A1,0xA1);
+        outb(cached_21,0x21);
+}
+
+static void i8259_mask_irq(unsigned int irq_nr)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&i8259_lock, flags);
+        irq_nr -= i8259_pic_irq_offset;
+        if (irq_nr < 8)
+                cached_21 |= 1 << irq_nr;
+        else
+                cached_A1 |= 1 << (irq_nr-8);
+        i8259_set_irq_mask(irq_nr);
+        spin_unlock_irqrestore(&i8259_lock, flags);
+}
+
+static void i8259_unmask_irq(unsigned int irq_nr)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&i8259_lock, flags);
+        irq_nr -= i8259_pic_irq_offset;
+        if (irq_nr < 8)
+                cached_21 &= ~(1 << irq_nr);
+        else
+                cached_A1 &= ~(1 << (irq_nr-8));
+        i8259_set_irq_mask(irq_nr);
+        spin_unlock_irqrestore(&i8259_lock, flags);
+}
+
+static struct irq_chip i8259_pic = {
+        .typename       = " i8259    ",
+        .mask           = i8259_mask_irq,
+        .unmask         = i8259_unmask_irq,
+        .mask_ack       = i8259_mask_and_ack_irq,
+};
+
+static struct resource pic1_iores = {
+        .name = "8259 (master)",
+        .start = 0x20,
+        .end = 0x21,
+        .flags = IORESOURCE_BUSY,
+};
+
+static struct resource pic2_iores = {
+        .name = "8259 (slave)",
+        .start = 0xa0,
+        .end = 0xa1,
+        .flags = IORESOURCE_BUSY,
+};
+
+static struct resource pic_edgectrl_iores = {
+        .name = "8259 edge control",
+        .start = 0x4d0,
+        .end = 0x4d1,
+        .flags = IORESOURCE_BUSY,
+};
+
+static struct irqaction i8259_irqaction = {
+        .handler = no_action,
+        .flags = SA_INTERRUPT,
+        .mask = CPU_MASK_NONE,
+        .name = "82c59 secondary cascade",
+};
+
+/*
+ * i8259_init()
+ * intack_addr - PCI interrupt acknowledge (real) address which will return
+ *               the active irq from the 8259
+ */
+void __init i8259_init(unsigned long intack_addr, int offset)
+{
+        unsigned long flags;
+        int i;
+
+        spin_lock_irqsave(&i8259_lock, flags);
+        i8259_pic_irq_offset = offset;
+
+        /* init master interrupt controller */
+        outb(0x11, 0x20); /* Start init sequence */
+        outb(0x00, 0x21); /* Vector base */
+        outb(0x04, 0x21); /* edge tiggered, Cascade (slave) on IRQ2 */
+        outb(0x01, 0x21); /* Select 8086 mode */
+
+        /* init slave interrupt controller */
+        outb(0x11, 0xA0); /* Start init sequence */
+        outb(0x08, 0xA1); /* Vector base */
+        outb(0x02, 0xA1); /* edge triggered, Cascade (slave) on IRQ2 */
+        outb(0x01, 0xA1); /* Select 8086 mode */
+
+        /* always read ISR */
+        outb(0x0B, 0x20);
+        outb(0x0B, 0xA0);
+
+        /* Mask all interrupts */
+        outb(cached_A1, 0xA1);
+        outb(cached_21, 0x21);
+
+        spin_unlock_irqrestore(&i8259_lock, flags);
+
+        for (i = 0; i < NUM_ISA_INTERRUPTS; ++i) {
+                set_irq_chip_and_handler(offset + i, &i8259_pic,
+                                         handle_level_irq);
+                irq_desc[offset + i].status |= IRQ_LEVEL;
+        }
+
+        /* reserve our resources */
+        setup_irq(offset + 2, &i8259_irqaction);
+        request_resource(&ioport_resource, &pic1_iores);
+        request_resource(&ioport_resource, &pic2_iores);
+        request_resource(&ioport_resource, &pic_edgectrl_iores);
+
+        if (intack_addr != 0)
+                pci_intack = ioremap(intack_addr, 1);
+
+}
diff --git a/arch/ppc/syslib/ibm440gx_common.c b/arch/ppc/syslib/ibm440gx_common.c
index 0440d8f4ce16..4b77e6c8c87f 100644
--- a/arch/ppc/syslib/ibm440gx_common.c
+++ b/arch/ppc/syslib/ibm440gx_common.c
@@ -149,7 +149,7 @@ void __init ibm440gx_l2c_enable(void){
         unsigned long flags;
 
         /* Install error handler */
-        if (request_irq(87, l2c_error_handler, SA_INTERRUPT, "L2C", 0) < 0){
+        if (request_irq(87, l2c_error_handler, IRQF_DISABLED, "L2C", 0) < 0){
                 printk(KERN_ERR "Cannot install L2C error handler, cache is not enabled\n");
                 return;
         }
diff --git a/arch/ppc/syslib/m82xx_pci.c b/arch/ppc/syslib/m82xx_pci.c
index 63fa5b313396..d3fa264e179e 100644
--- a/arch/ppc/syslib/m82xx_pci.c
+++ b/arch/ppc/syslib/m82xx_pci.c
@@ -139,7 +139,7 @@ pq2pci_irq_demux(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction pq2pci_irqaction = {
         .handler = pq2pci_irq_demux,
-        .flags   = SA_INTERRUPT,
+        .flags   = IRQF_DISABLED,
         .mask    = CPU_MASK_NONE,
         .name    = "PQ2 PCI cascade",
 };
diff --git a/arch/ppc/syslib/mv64360_pic.c b/arch/ppc/syslib/mv64360_pic.c
index a4244d468381..3f6d162f87cf 100644
--- a/arch/ppc/syslib/mv64360_pic.c
+++ b/arch/ppc/syslib/mv64360_pic.c
@@ -380,7 +380,7 @@ mv64360_register_hdlrs(void)
         /* Clear old errors and register CPU interface error intr handler */
         mv64x60_write(&bh, MV64x60_CPU_ERR_CAUSE, 0);
         if ((rc = request_irq(MV64x60_IRQ_CPU_ERR + mv64360_irq_base,
-                mv64360_cpu_error_int_handler, SA_INTERRUPT, CPU_INTR_STR, 0)))
+                mv64360_cpu_error_int_handler, IRQF_DISABLED, CPU_INTR_STR, 0)))
                 printk(KERN_WARNING "Can't register cpu error handler: %d", rc);
 
         mv64x60_write(&bh, MV64x60_CPU_ERR_MASK, 0);
@@ -389,14 +389,14 @@ mv64360_register_hdlrs(void)
         /* Clear old errors and register internal SRAM error intr handler */
         mv64x60_write(&bh, MV64360_SRAM_ERR_CAUSE, 0);
         if ((rc = request_irq(MV64360_IRQ_SRAM_PAR_ERR + mv64360_irq_base,
-                mv64360_sram_error_int_handler,SA_INTERRUPT,SRAM_INTR_STR, 0)))
+                mv64360_sram_error_int_handler,IRQF_DISABLED,SRAM_INTR_STR, 0)))
                 printk(KERN_WARNING "Can't register SRAM error handler: %d",rc);
 
         /* Clear old errors and register PCI 0 error intr handler */
         mv64x60_write(&bh, MV64x60_PCI0_ERR_CAUSE, 0);
         if ((rc = request_irq(MV64360_IRQ_PCI0 + mv64360_irq_base,
                         mv64360_pci_error_int_handler,
-                        SA_INTERRUPT, PCI0_INTR_STR, (void *)0)))
+                        IRQF_DISABLED, PCI0_INTR_STR, (void *)0)))
                 printk(KERN_WARNING "Can't register pci 0 error handler: %d",
                         rc);
 
@@ -411,7 +411,7 @@ mv64360_register_hdlrs(void)
         mv64x60_write(&bh, MV64x60_PCI1_ERR_CAUSE, 0);
         if ((rc = request_irq(MV64360_IRQ_PCI1 + mv64360_irq_base,
                         mv64360_pci_error_int_handler,
-                        SA_INTERRUPT, PCI1_INTR_STR, (void *)1)))
+                        IRQF_DISABLED, PCI1_INTR_STR, (void *)1)))
                 printk(KERN_WARNING "Can't register pci 1 error handler: %d",
                         rc);
 
diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c
index 08973663fa24..aa0b95788705 100644
--- a/arch/ppc/syslib/open_pic.c
+++ b/arch/ppc/syslib/open_pic.c
@@ -575,18 +575,21 @@ void openpic_request_IPIs(void)
         if (OpenPIC == NULL)
                 return;
 
-        /* IPIs are marked SA_INTERRUPT as they must run with irqs disabled */
+        /*
+         * IPIs are marked IRQF_DISABLED as they must run with irqs
+         * disabled
+         */
         request_irq(OPENPIC_VEC_IPI+open_pic_irq_offset,
-                    openpic_ipi_action, SA_INTERRUPT,
+                    openpic_ipi_action, IRQF_DISABLED,
                     "IPI0 (call function)", NULL);
         request_irq(OPENPIC_VEC_IPI+open_pic_irq_offset+1,
-                    openpic_ipi_action, SA_INTERRUPT,
+                    openpic_ipi_action, IRQF_DISABLED,
                     "IPI1 (reschedule)", NULL);
         request_irq(OPENPIC_VEC_IPI+open_pic_irq_offset+2,
-                    openpic_ipi_action, SA_INTERRUPT,
+                    openpic_ipi_action, IRQF_DISABLED,
                     "IPI2 (invalidate tlb)", NULL);
         request_irq(OPENPIC_VEC_IPI+open_pic_irq_offset+3,
-                    openpic_ipi_action, SA_INTERRUPT,
+                    openpic_ipi_action, IRQF_DISABLED,
                     "IPI3 (xmon break)", NULL);
 
         for ( i = 0; i < OPENPIC_NUM_IPI ; i++ )
@@ -691,7 +694,7 @@ openpic_init_nmi_irq(u_int irq)
 
 static struct irqaction openpic_cascade_irqaction = {
         .handler = no_action,
-        .flags = SA_INTERRUPT,
+        .flags = IRQF_DISABLED,
         .mask = CPU_MASK_NONE,
 };
 
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 821a141889de..224fbff79969 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -7,6 +7,14 @@ config MMU
         bool
         default y
 
+config LOCKDEP_SUPPORT
+        bool
+        default y
+
+config STACKTRACE_SUPPORT
+        bool
+        default y
+
 config RWSEM_GENERIC_SPINLOCK
         bool
 
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug
index f53b6d5300e5..2283933a9a93 100644
--- a/arch/s390/Kconfig.debug
+++ b/arch/s390/Kconfig.debug
@@ -1,5 +1,9 @@
 menu "Kernel hacking"
 
+config TRACE_IRQFLAGS_SUPPORT
+        bool
+        default y
+
 source "lib/Kconfig.debug"
 
 endmenu
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index b3791fb094a8..74ef57dcfa60 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -34,6 +34,11 @@ cflags-$(CONFIG_MARCH_G5)   += $(call cc-option,-march=g5)
 cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900)
 cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990)
 
+#
+# Prevent tail-call optimizations, to get clearer backtraces:
+#
+cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
+
 # old style option for packed stacks
 ifeq ($(call cc-option-yn,-mkernel-backchain),y)
 cflags-$(CONFIG_PACK_STACK)  += -mkernel-backchain -D__PACK_STACK
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 9269b5788fac..eabf00a6f770 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_COMPAT)		+= compat_linux.o compat_signal.o \
 obj-$(CONFIG_BINFMT_ELF32)      += binfmt_elf32.o
 
 obj-$(CONFIG_VIRT_TIMER)        += vtime.o
+obj-$(CONFIG_STACKTRACE)        += stacktrace.o
 
 # Kexec part
 S390_KEXEC_OBJS := machine_kexec.o crash.o
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index d8948c342caf..5b5799ac8f83 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -58,6 +58,21 @@ STACK_SIZE  = 1 << STACK_SHIFT
 
 #define BASED(name) name-system_call(%r13)
 
+#ifdef CONFIG_TRACE_IRQFLAGS
+        .macro  TRACE_IRQS_ON
+        l       %r1,BASED(.Ltrace_irq_on)
+        basr    %r14,%r1
+        .endm
+
+        .macro  TRACE_IRQS_OFF
+        l       %r1,BASED(.Ltrace_irq_off)
+        basr    %r14,%r1
+        .endm
+#else
+#define TRACE_IRQS_ON
+#define TRACE_IRQS_OFF
+#endif
+
 /*
  * Register usage in interrupt handlers:
  *    R9  - pointer to current task structure
@@ -361,6 +376,7 @@ ret_from_fork:
         st      %r15,SP_R15(%r15)       # store stack pointer for new kthread
 0:      l       %r1,BASED(.Lschedtail)
         basr    %r14,%r1
+        TRACE_IRQS_ON
         stosm   __SF_EMPTY(%r15),0x03     # reenable interrupts
         b       BASED(sysc_return)
 
@@ -516,6 +532,7 @@ pgm_no_vtime3:
         mvc     __THREAD_per+__PER_address(4,%r1),__LC_PER_ADDRESS
         mvc     __THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID
         oi      __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
+        TRACE_IRQS_ON
         stosm   __SF_EMPTY(%r15),0x03   # reenable interrupts
         b       BASED(sysc_do_svc)
 
@@ -539,9 +556,11 @@ io_int_handler:
 io_no_vtime:
 #endif
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
+        TRACE_IRQS_OFF
         l       %r1,BASED(.Ldo_IRQ)        # load address of do_IRQ
         la      %r2,SP_PTREGS(%r15) # address of register-save area
         basr    %r14,%r1          # branch to standard irq handler
+        TRACE_IRQS_ON
 
 io_return:
         tm      SP_PSW+1(%r15),0x01    # returning to user ?
@@ -651,10 +670,12 @@ ext_int_handler:
 ext_no_vtime:
 #endif
         l       %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
+        TRACE_IRQS_OFF
         la      %r2,SP_PTREGS(%r15)    # address of register-save area
         lh      %r3,__LC_EXT_INT_CODE  # get interruption code
         l       %r1,BASED(.Ldo_extint)
         basr    %r14,%r1
+        TRACE_IRQS_ON
         b       BASED(io_return)
 
 __critical_end:
@@ -731,8 +752,10 @@ mcck_no_vtime:
         stosm   __SF_EMPTY(%r15),0x04   # turn dat on
         tm      __TI_flags+3(%r9),_TIF_MCCK_PENDING
         bno     BASED(mcck_return)
+        TRACE_IRQS_OFF
         l       %r1,BASED(.Ls390_handle_mcck)
         basr    %r14,%r1                # call machine check handler
+        TRACE_IRQS_ON
 mcck_return:
         mvc     __LC_RETURN_MCCK_PSW(8),SP_PSW(%r15) # move return PSW
         ni      __LC_RETURN_MCCK_PSW+1,0xfd # clear wait state bit
@@ -1012,7 +1035,11 @@ cleanup_io_leave_insn:
 .Lvfork:       .long  sys_vfork
 .Lschedtail:   .long  schedule_tail
 .Lsysc_table:  .long  sys_call_table
-
+#ifdef CONFIG_TRACE_IRQFLAGS
+.Ltrace_irq_on:.long  trace_hardirqs_on
+.Ltrace_irq_off:
+               .long  trace_hardirqs_off
+#endif
 .Lcritical_start:
                .long  __critical_start + 0x80000000
 .Lcritical_end:
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 1ca499fa54b4..56f5f613b868 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -58,6 +58,19 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
 
 #define BASED(name) name-system_call(%r13)
 
+#ifdef CONFIG_TRACE_IRQFLAGS
+        .macro  TRACE_IRQS_ON
+         brasl  %r14,trace_hardirqs_on
+        .endm
+
+        .macro  TRACE_IRQS_OFF
+         brasl  %r14,trace_hardirqs_off
+        .endm
+#else
+#define TRACE_IRQS_ON
+#define TRACE_IRQS_OFF
+#endif
+
         .macro  STORE_TIMER lc_offset
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
         stpt    \lc_offset
@@ -354,6 +367,7 @@ ret_from_fork:
         jo      0f
         stg     %r15,SP_R15(%r15)       # store stack pointer for new kthread
 0:      brasl   %r14,schedule_tail
+        TRACE_IRQS_ON
         stosm   24(%r15),0x03     # reenable interrupts
         j       sysc_return
 
@@ -535,6 +549,7 @@ pgm_no_vtime3:
         mvc     __THREAD_per+__PER_address(8,%r1),__LC_PER_ADDRESS
         mvc     __THREAD_per+__PER_access_id(1,%r1),__LC_PER_ACCESS_ID
         oi      __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
+        TRACE_IRQS_ON
         stosm   __SF_EMPTY(%r15),0x03   # reenable interrupts
         j       sysc_do_svc
 
@@ -557,8 +572,10 @@ io_int_handler:
 io_no_vtime:
 #endif
         lg      %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
+        TRACE_IRQS_OFF
         la      %r2,SP_PTREGS(%r15)    # address of register-save area
         brasl   %r14,do_IRQ            # call standard irq handler
+        TRACE_IRQS_ON
 
 io_return:
         tm      SP_PSW+1(%r15),0x01    # returning to user ?
@@ -665,9 +682,11 @@ ext_int_handler:
 ext_no_vtime:
 #endif
         lg      %r9,__LC_THREAD_INFO    # load pointer to thread_info struct
+        TRACE_IRQS_OFF
         la      %r2,SP_PTREGS(%r15)    # address of register-save area
         llgh    %r3,__LC_EXT_INT_CODE  # get interruption code
         brasl   %r14,do_extint
+        TRACE_IRQS_ON
         j       io_return
 
 __critical_end:
@@ -743,7 +762,9 @@ mcck_no_vtime:
         stosm   __SF_EMPTY(%r15),0x04   # turn dat on
         tm      __TI_flags+7(%r9),_TIF_MCCK_PENDING
         jno     mcck_return
+        TRACE_IRQS_OFF
         brasl   %r14,s390_handle_mcck
+        TRACE_IRQS_ON
 mcck_return:
         mvc     __LC_RETURN_MCCK_PSW(16),SP_PSW(%r15) # move return PSW
         ni      __LC_RETURN_MCCK_PSW+1,0xfd # clear wait state bit
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 480b6a5fef3a..1eef50918615 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -69,10 +69,6 @@ asmlinkage void do_softirq(void)
 
         local_irq_save(flags);
 
-        account_system_vtime(current);
-
-        local_bh_disable();
-
         if (local_softirq_pending()) {
                 /* Get current stack pointer. */
                 asm volatile("la %0,0(15)" : "=a" (old));
@@ -95,10 +91,6 @@ asmlinkage void do_softirq(void)
                         __do_softirq();
         }
 
-        account_system_vtime(current);
-
-        __local_bh_enable();
-
         local_irq_restore(flags);
 }
 
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 1f9399191794..78c8e5548caf 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -142,6 +142,7 @@ static void default_idle(void)
                 return;
         }
 
+        trace_hardirqs_on();
         /* Wait for external, I/O or machine check interrupt. */
         __load_psw_mask(PSW_KERNEL_BITS | PSW_MASK_WAIT |
                         PSW_MASK_IO | PSW_MASK_EXT);
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
new file mode 100644
index 000000000000..de83f38288d0
--- /dev/null
+++ b/arch/s390/kernel/stacktrace.c
@@ -0,0 +1,90 @@
+/*
+ * arch/s390/kernel/stacktrace.c
+ *
+ * Stack trace management functions
+ *
+ *  Copyright (C) IBM Corp. 2006
+ *  Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ */
+
+#include <linux/sched.h>
+#include <linux/stacktrace.h>
+#include <linux/kallsyms.h>
+
+static inline unsigned long save_context_stack(struct stack_trace *trace,
+                                               unsigned int *skip,
+                                               unsigned long sp,
+                                               unsigned long low,
+                                               unsigned long high)
+{
+        struct stack_frame *sf;
+        struct pt_regs *regs;
+        unsigned long addr;
+
+        while(1) {
+                sp &= PSW_ADDR_INSN;
+                if (sp < low || sp > high)
+                        return sp;
+                sf = (struct stack_frame *)sp;
+                while(1) {
+                        addr = sf->gprs[8] & PSW_ADDR_INSN;
+                        if (!(*skip))
+                                trace->entries[trace->nr_entries++] = addr;
+                        else
+                                (*skip)--;
+                        if (trace->nr_entries >= trace->max_entries)
+                                return sp;
+                        low = sp;
+                        sp = sf->back_chain & PSW_ADDR_INSN;
+                        if (!sp)
+                                break;
+                        if (sp <= low || sp > high - sizeof(*sf))
+                                return sp;
+                        sf = (struct stack_frame *)sp;
+                }
+                /* Zero backchain detected, check for interrupt frame. */
+                sp = (unsigned long)(sf + 1);
+                if (sp <= low || sp > high - sizeof(*regs))
+                        return sp;
+                regs = (struct pt_regs *)sp;
+                addr = regs->psw.addr & PSW_ADDR_INSN;
+                if (!(*skip))
+                        trace->entries[trace->nr_entries++] = addr;
+                else
+                        (*skip)--;
+                if (trace->nr_entries >= trace->max_entries)
+                        return sp;
+                low = sp;
+                sp = regs->gprs[15];
+        }
+}
+
+void save_stack_trace(struct stack_trace *trace,
+                      struct task_struct *task, int all_contexts,
+                      unsigned int skip)
+{
+        register unsigned long sp asm ("15");
+        unsigned long orig_sp;
+
+        sp &= PSW_ADDR_INSN;
+        orig_sp = sp;
+
+        sp = save_context_stack(trace, &skip, sp,
+                                S390_lowcore.panic_stack - PAGE_SIZE,
+                                S390_lowcore.panic_stack);
+        if ((sp != orig_sp) && !all_contexts)
+                return;
+        sp = save_context_stack(trace, &skip, sp,
+                                S390_lowcore.async_stack - ASYNC_SIZE,
+                                S390_lowcore.async_stack);
+        if ((sp != orig_sp) && !all_contexts)
+                return;
+        if (task)
+                save_context_stack(trace, &skip, sp,
+                                   (unsigned long) task_stack_page(task),
+                                   (unsigned long) task_stack_page(task) + THREAD_SIZE);
+        else
+                save_context_stack(trace, &skip, sp, S390_lowcore.thread_info,
+                                   S390_lowcore.thread_info + THREAD_SIZE);
+        return;
+}
diff --git a/arch/sh/boards/snapgear/setup.c b/arch/sh/boards/snapgear/setup.c
index 046b896d04f9..f1f7c70c9402 100644
--- a/arch/sh/boards/snapgear/setup.c
+++ b/arch/sh/boards/snapgear/setup.c
@@ -50,7 +50,7 @@ static int __init eraseconfig_init(void)
 {
         printk("SnapGear: EraseConfig init\n");
         /* Setup "EraseConfig" switch on external IRQ 0 */
-        if (request_irq(IRL0_IRQ, eraseconfig_interrupt, SA_INTERRUPT,
+        if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED,
                                 "Erase Config", NULL))
                 printk("SnapGear: failed to register IRQ%d for Reset witch\n",
                                 IRL0_IRQ);
diff --git a/arch/sh/cchips/hd6446x/hd64461/setup.c b/arch/sh/cchips/hd6446x/hd64461/setup.c
index 9b361a91a1a6..ad126016720f 100644
--- a/arch/sh/cchips/hd6446x/hd64461/setup.c
+++ b/arch/sh/cchips/hd6446x/hd64461/setup.c
@@ -133,7 +133,7 @@ int hd64461_irq_demux(int irq)
         return __irq_demux(irq);
 }
 
-static struct irqaction irq0 = { hd64461_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "HD64461", NULL, NULL };
+static struct irqaction irq0 = { hd64461_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "HD64461", NULL, NULL };
 
 int __init setup_hd64461(void)
 {
diff --git a/arch/sh/cchips/hd6446x/hd64465/gpio.c b/arch/sh/cchips/hd6446x/hd64465/gpio.c
index 9785fdef868e..72320d02d69a 100644
--- a/arch/sh/cchips/hd6446x/hd64465/gpio.c
+++ b/arch/sh/cchips/hd6446x/hd64465/gpio.c
@@ -170,7 +170,7 @@ static int __init hd64465_gpio_init(void)
         if (!request_region(HD64465_REG_GPACR, 0x1000, MODNAME))
                 return -EBUSY;
         if (request_irq(HD64465_IRQ_GPIO, hd64465_gpio_interrupt,
-                        SA_INTERRUPT, MODNAME, 0))
+                        IRQF_DISABLED, MODNAME, 0))
                 goto out_irqfailed;
 
         printk("HD64465 GPIO layer on irq %d\n", HD64465_IRQ_GPIO);
diff --git a/arch/sh/cchips/hd6446x/hd64465/setup.c b/arch/sh/cchips/hd6446x/hd64465/setup.c
index b2b0aa48a3a7..d2b2851bc44b 100644
--- a/arch/sh/cchips/hd6446x/hd64465/setup.c
+++ b/arch/sh/cchips/hd6446x/hd64465/setup.c
@@ -153,7 +153,7 @@ int hd64465_irq_demux(int irq)
         return irq;
 }
 
-static struct irqaction irq0  = { hd64465_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "HD64465", NULL, NULL};
+static struct irqaction irq0  = { hd64465_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "HD64465", NULL, NULL};
 
 
 static int __init setup_hd64465(void)
diff --git a/arch/sh/cchips/voyagergx/irq.c b/arch/sh/cchips/voyagergx/irq.c
index 6a74464dab2d..0dc1fb8f9687 100644
--- a/arch/sh/cchips/voyagergx/irq.c
+++ b/arch/sh/cchips/voyagergx/irq.c
@@ -165,7 +165,7 @@ int voyagergx_irq_demux(int irq)
 static struct irqaction irq0  = {
         .name           = "voyagergx",
         .handler        = voyagergx_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .mask           = CPU_MASK_NONE,
 };
 
diff --git a/arch/sh/drivers/dma/dma-g2.c b/arch/sh/drivers/dma/dma-g2.c
index 5afab6f56ec3..0f866f8789f0 100644
--- a/arch/sh/drivers/dma/dma-g2.c
+++ b/arch/sh/drivers/dma/dma-g2.c
@@ -56,7 +56,7 @@ static irqreturn_t g2_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static struct irqaction g2_dma_irq = {
         .name           = "g2 DMA handler",
         .handler        = g2_dma_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
 };
 
 static int g2_enable_dma(struct dma_channel *chan)
diff --git a/arch/sh/drivers/dma/dma-pvr2.c b/arch/sh/drivers/dma/dma-pvr2.c
index df604975ccc8..30a580aa7cbd 100644
--- a/arch/sh/drivers/dma/dma-pvr2.c
+++ b/arch/sh/drivers/dma/dma-pvr2.c
@@ -70,7 +70,7 @@ static int pvr2_xfer_dma(struct dma_channel *chan)
 static struct irqaction pvr2_dma_irq = {
         .name           = "pvr2 DMA handler",
         .handler        = pvr2_dma_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
 };
 
 static struct dma_ops pvr2_dma_ops = {
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index fecd8f8d0466..e028a2d2a4ea 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -90,7 +90,7 @@ static int sh_dmac_request_dma(struct dma_channel *chan)
                  chan->chan);
 
         return request_irq(get_dmte_irq(chan->chan), dma_tei,
-                           SA_INTERRUPT, name, chan);
+                           IRQF_DISABLED, name, chan);
 }
 
 static void sh_dmac_free_dma(struct dma_channel *chan)
@@ -258,7 +258,7 @@ static int __init sh_dmac_init(void)
 
 #ifdef CONFIG_CPU_SH4
         make_ipr_irq(DMAE_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
-        i = request_irq(DMAE_IRQ, dma_err, SA_INTERRUPT, "DMAC Address Error", 0);
+        i = request_irq(DMAE_IRQ, dma_err, IRQF_DISABLED, "DMAC Address Error", 0);
         if (i < 0)
                 return i;
 #endif
diff --git a/arch/sh/drivers/pci/pci-st40.c b/arch/sh/drivers/pci/pci-st40.c
index 21f3017e5c28..7c81b8b65bb5 100644
--- a/arch/sh/drivers/pci/pci-st40.c
+++ b/arch/sh/drivers/pci/pci-st40.c
@@ -447,7 +447,7 @@ static int __init pcibios_init(void)
                      PHYSADDR(memory_end) - PHYSADDR(memory_start));
 
         if (request_irq(ST40PCI_ERR_IRQ, st40_pci_irq, 
-                        SA_INTERRUPT, "st40pci", NULL)) {
+                        IRQF_DISABLED, "st40pci", NULL)) {
                 printk(KERN_ERR "st40pci: Cannot hook interrupt\n");
                 return -EIO;
         }
diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index 96a64cb13106..d4212add53b2 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -107,7 +107,7 @@ static irqreturn_t tmu_timer_interrupt(int irq, void *dev_id,
 static struct irqaction tmu_irq = {
         .name           = "timer",
         .handler        = tmu_timer_interrupt,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .mask           = CPU_MASK_NONE,
 };
 
diff --git a/arch/sh64/kernel/dma.c b/arch/sh64/kernel/dma.c
index 09cd9f4670b5..32c6f0549bf1 100644
--- a/arch/sh64/kernel/dma.c
+++ b/arch/sh64/kernel/dma.c
@@ -115,7 +115,7 @@ static irqreturn_t dma_mte(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction irq_dmte = {
         .handler        = dma_mte,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "DMA MTE",
 };
 
@@ -152,7 +152,7 @@ static irqreturn_t dma_err(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction irq_derr = {
         .handler        = dma_err,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
         .name           = "DMA Error",
 };
 
diff --git a/arch/sh64/kernel/pci_sh5.c b/arch/sh64/kernel/pci_sh5.c
index 3c04951ff736..9dae689b6a9b 100644
--- a/arch/sh64/kernel/pci_sh5.c
+++ b/arch/sh64/kernel/pci_sh5.c
@@ -473,13 +473,13 @@ static void __init pcibios_size_bridges(void)
 static int __init pcibios_init(void)
 {
         if (request_irq(IRQ_ERR, pcish5_err_irq,
-                        SA_INTERRUPT, "PCI Error",NULL) < 0) {
+                        IRQF_DISABLED, "PCI Error",NULL) < 0) {
                 printk(KERN_ERR "PCISH5: Cannot hook PCI_PERR interrupt\n");
                 return -EINVAL;
         }
 
         if (request_irq(IRQ_SERR, pcish5_serr_irq,
-                        SA_INTERRUPT, "PCI SERR interrupt", NULL) < 0) {
+                        IRQF_DISABLED, "PCI SERR interrupt", NULL) < 0) {
                 printk(KERN_ERR "PCISH5: Cannot hook PCI_SERR interrupt\n");
                 return -EINVAL;
         }
diff --git a/arch/sh64/kernel/time.c b/arch/sh64/kernel/time.c
index ba9eb992f4a5..b8162e59030e 100644
--- a/arch/sh64/kernel/time.c
+++ b/arch/sh64/kernel/time.c
@@ -484,8 +484,8 @@ static irqreturn_t sh64_rtc_interrupt(int irq, void *dev_id,
         return IRQ_HANDLED;
 }
 
-static struct irqaction irq0  = { timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL};
-static struct irqaction irq1  = { sh64_rtc_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "rtc", NULL, NULL};
+static struct irqaction irq0  = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL};
+static struct irqaction irq1  = { sh64_rtc_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "rtc", NULL, NULL};
 
 void __init time_init(void)
 {
diff --git a/arch/sh64/mach-cayman/irq.c b/arch/sh64/mach-cayman/irq.c
index cac94219dd5f..228ce61c3515 100644
--- a/arch/sh64/mach-cayman/irq.c
+++ b/arch/sh64/mach-cayman/irq.c
@@ -44,13 +44,13 @@ static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id, struct pt_regs *
 static struct irqaction cayman_action_smsc = {
         .name           = "Cayman SMSC Mux",
         .handler        = cayman_interrupt_smsc,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
 };
 
 static struct irqaction cayman_action_pci2 = {
         .name           = "Cayman PCI2 Mux",
         .handler        = cayman_interrupt_pci2,
-        .flags          = SA_INTERRUPT,
+        .flags          = IRQF_DISABLED,
 };
 
 static void enable_cayman_irq(unsigned int irq)
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index b81af076ef48..cde73327ca96 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -191,11 +191,11 @@ int show_interrupts(struct seq_file *p, void *v)
                 }
 #endif
                 seq_printf(p, " %c %s",
-                        (action->flags & SA_INTERRUPT) ? '+' : ' ',
+                        (action->flags & IRQF_DISABLED) ? '+' : ' ',
                         action->name);
                 for (action=action->next; action; action = action->next) {
                         seq_printf(p, ",%s %s",
-                                (action->flags & SA_INTERRUPT) ? " +" : "",
+                                (action->flags & IRQF_DISABLED) ? " +" : "",
                                 action->name);
                 }
                 seq_putc(p, '\n');
@@ -243,7 +243,7 @@ void free_irq(unsigned int irq, void *dev_id)
                         printk("Trying to free free shared IRQ%d\n",irq);
                         goto out_unlock;
                 }
-        } else if (action->flags & SA_SHIRQ) {
+        } else if (action->flags & IRQF_SHARED) {
                 printk("Trying to free shared IRQ%d with NULL device ID\n", irq);
                 goto out_unlock;
         }
@@ -395,9 +395,9 @@ int request_fast_irq(unsigned int irq,
 
         action = sparc_irq[cpu_irq].action;
         if(action) {
-                if(action->flags & SA_SHIRQ)
+                if(action->flags & IRQF_SHARED)
                         panic("Trying to register fast irq when already shared.\n");
-                if(irqflags & SA_SHIRQ)
+                if(irqflags & IRQF_SHARED)
                         panic("Trying to register fast irq as shared.\n");
 
                 /* Anyway, someone already owns it so cannot be made fast. */
@@ -497,11 +497,11 @@ int request_irq(unsigned int irq,
         actionp = &sparc_irq[cpu_irq].action;
         action = *actionp;
         if (action) {
-                if (!(action->flags & SA_SHIRQ) || !(irqflags & SA_SHIRQ)) {
+                if (!(action->flags & IRQF_SHARED) || !(irqflags & IRQF_SHARED)) {
                         ret = -EBUSY;
                         goto out_unlock;
                 }
-                if ((action->flags & SA_INTERRUPT) != (irqflags & SA_INTERRUPT)) {
+                if ((action->flags & IRQF_DISABLED) != (irqflags & IRQF_DISABLED)) {
                         printk("Attempt to mix fast and slow interrupts on IRQ%d denied\n", irq);
                         ret = -EBUSY;
                         goto out_unlock;
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 22422ff10602..bfd31aac2df3 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -745,7 +745,7 @@ void __init pci_time_init(void)
         writel (PCI_COUNTER_IRQ_SET(timer_irq, 0),
                 pcic->pcic_regs+PCI_COUNTER_IRQ);
         irq = request_irq(timer_irq, pcic_timer_handler,
-                          (SA_INTERRUPT | SA_STATIC_ALLOC), "timer", NULL);
+                          (IRQF_DISABLED | SA_STATIC_ALLOC), "timer", NULL);
         if (irq) {
                 prom_printf("time_init: unable to attach IRQ%d\n", timer_irq);
                 prom_halt();
diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c
index 50e988b9c8c3..4be2c86ea540 100644
--- a/arch/sparc/kernel/sun4c_irq.c
+++ b/arch/sparc/kernel/sun4c_irq.c
@@ -179,7 +179,7 @@ static void __init sun4c_init_timers(irqreturn_t (*counter_fn)(int, void *, stru
 
         irq = request_irq(TIMER_IRQ,
                           counter_fn,
-                          (SA_INTERRUPT | SA_STATIC_ALLOC),
+                          (IRQF_DISABLED | SA_STATIC_ALLOC),
                           "timer", NULL);
         if (irq) {
                 prom_printf("time_init: unable to attach IRQ%d\n",TIMER_IRQ);
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index cbf8ee81cf5b..74eed9775ac0 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -107,13 +107,13 @@ found_it:	seq_printf(p, "%3d: ", i);
                                kstat_cpu(cpu_logical_map(x)).irqs[i]);
 #endif
                 seq_printf(p, "%c %s",
-                        (action->flags & SA_INTERRUPT) ? '+' : ' ',
+                        (action->flags & IRQF_DISABLED) ? '+' : ' ',
                         action->name);
                 action = action->next;
                 for (;;) {
                         for (; action; action = action->next) {
                                 seq_printf(p, ",%s %s",
-                                        (action->flags & SA_INTERRUPT) ? " +" : "",
+                                        (action->flags & IRQF_DISABLED) ? " +" : "",
                                         action->name);
                         }
                         if (!sbusl) break;
@@ -160,7 +160,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
                         printk("Trying to free free shared IRQ%d\n",irq);
                         goto out_unlock;
                 }
-        } else if (action->flags & SA_SHIRQ) {
+        } else if (action->flags & IRQF_SHARED) {
                 printk("Trying to free shared IRQ%d with NULL device ID\n", irq);
                 goto out_unlock;
         }
@@ -298,13 +298,13 @@ int sun4d_request_irq(unsigned int irq,
         action = *actionp;
         
         if (action) {
-                if ((action->flags & SA_SHIRQ) && (irqflags & SA_SHIRQ)) {
+                if ((action->flags & IRQF_SHARED) && (irqflags & IRQF_SHARED)) {
                         for (tmp = action; tmp->next; tmp = tmp->next);
                 } else {
                         ret = -EBUSY;
                         goto out_unlock;
                 }
-                if ((action->flags & SA_INTERRUPT) ^ (irqflags & SA_INTERRUPT)) {
+                if ((action->flags & IRQF_DISABLED) ^ (irqflags & IRQF_DISABLED)) {
                         printk("Attempt to mix fast and slow interrupts on IRQ%d denied\n", irq);
                         ret = -EBUSY;
                         goto out_unlock;
@@ -490,7 +490,7 @@ static void __init sun4d_init_timers(irqreturn_t (*counter_fn)(int, void *, stru
 
         irq = request_irq(TIMER_IRQ,
                           counter_fn,
-                          (SA_INTERRUPT | SA_STATIC_ALLOC),
+                          (IRQF_DISABLED | SA_STATIC_ALLOC),
                           "timer", NULL);
         if (irq) {
                 prom_printf("time_init: unable to attach IRQ%d\n",TIMER_IRQ);
diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c
index 38ac672b1149..7cefa301efea 100644
--- a/arch/sparc/kernel/sun4m_irq.c
+++ b/arch/sparc/kernel/sun4m_irq.c
@@ -278,7 +278,7 @@ static void __init sun4m_init_timers(irqreturn_t (*counter_fn)(int, void *, stru
 
         irq = request_irq(TIMER_IRQ,
                           counter_fn,
-                          (SA_INTERRUPT | SA_STATIC_ALLOC),
+                          (IRQF_DISABLED | SA_STATIC_ALLOC),
                           "timer", NULL);
         if (irq) {
                 prom_printf("time_init: unable to attach IRQ%d\n",TIMER_IRQ);
diff --git a/arch/sparc/kernel/tick14.c b/arch/sparc/kernel/tick14.c
index 591547af4c65..d3b4daac705f 100644
--- a/arch/sparc/kernel/tick14.c
+++ b/arch/sparc/kernel/tick14.c
@@ -74,7 +74,7 @@ void claim_ticker14(irqreturn_t (*handler)(int, void *, struct pt_regs *),
 
         if (!request_irq(irq_nr,
                          handler,
-                         (SA_INTERRUPT | SA_STATIC_ALLOC),
+                         (IRQF_DISABLED | SA_STATIC_ALLOC),
                          "counter14",
                          NULL)) {
                 install_linux_ticker();
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index a1023bb1a217..8a9b470e1b65 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -140,7 +140,7 @@ int ebus_dma_irq_enable(struct ebus_dma_info *p, int on)
 
         if (on) {
                 if (p->flags & EBUS_DMA_FLAG_USE_EBDMA_HANDLER) {
-                        if (request_irq(p->irq, ebus_dma_irq, SA_SHIRQ, p->name, p))
+                        if (request_irq(p->irq, ebus_dma_irq, IRQF_SHARED, p->name, p))
                                 return -EBUSY;
                 }
 
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index bf7b32b36705..197a7ffd57ee 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -863,11 +863,11 @@ static void psycho_register_error_handlers(struct pci_controller_info *p)
         if (op->num_irqs < 6)
                 return;
 
-        request_irq(op->irqs[1], psycho_ue_intr, SA_SHIRQ, "PSYCHO UE", p);
-        request_irq(op->irqs[2], psycho_ce_intr, SA_SHIRQ, "PSYCHO CE", p);
-        request_irq(op->irqs[5], psycho_pcierr_intr, SA_SHIRQ,
+        request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED, "PSYCHO UE", p);
+        request_irq(op->irqs[2], psycho_ce_intr, IRQF_SHARED, "PSYCHO CE", p);
+        request_irq(op->irqs[5], psycho_pcierr_intr, IRQF_SHARED,
                     "PSYCHO PCIERR-A", &p->pbm_A);
-        request_irq(op->irqs[0], psycho_pcierr_intr, SA_SHIRQ,
+        request_irq(op->irqs[0], psycho_pcierr_intr, IRQF_SHARED,
                     "PSYCHO PCIERR-B", &p->pbm_B);
 
         /* Enable UE and CE interrupts for controller. */
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 5e087b0fb4c9..45891850b90d 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -854,14 +854,14 @@ static void sabre_register_error_handlers(struct pci_controller_info *p)
                      SABRE_UEAFSR_SDRD | SABRE_UEAFSR_SDWR |
                      SABRE_UEAFSR_SDTE | SABRE_UEAFSR_PDTE));
 
-        request_irq(op->irqs[1], sabre_ue_intr, SA_SHIRQ, "SABRE UE", p);
+        request_irq(op->irqs[1], sabre_ue_intr, IRQF_SHARED, "SABRE UE", p);
 
         sabre_write(base + SABRE_CE_AFSR,
                     (SABRE_CEAFSR_PDRD | SABRE_CEAFSR_PDWR |
                      SABRE_CEAFSR_SDRD | SABRE_CEAFSR_SDWR));
 
-        request_irq(op->irqs[2], sabre_ce_intr, SA_SHIRQ, "SABRE CE", p);
-        request_irq(op->irqs[0], sabre_pcierr_intr, SA_SHIRQ,
+        request_irq(op->irqs[2], sabre_ce_intr, IRQF_SHARED, "SABRE CE", p);
+        request_irq(op->irqs[0], sabre_pcierr_intr, IRQF_SHARED,
                     "SABRE PCIERR", p);
 
         tmp = sabre_read(base + SABRE_PCICTRL);
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index 5c6e2a9b91f8..75ade83ecc65 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -998,32 +998,32 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
         pbm = pbm_for_ino(p, SCHIZO_UE_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[1], schizo_ue_intr, SA_SHIRQ,
+                request_irq(op->irqs[1], schizo_ue_intr, IRQF_SHARED,
                             "TOMATILLO_UE", p);
 
         pbm = pbm_for_ino(p, SCHIZO_CE_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[2], schizo_ce_intr, SA_SHIRQ,
+                request_irq(op->irqs[2], schizo_ce_intr, IRQF_SHARED,
                             "TOMATILLO CE", p);
 
         pbm = pbm_for_ino(p, SCHIZO_PCIERR_A_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[0], schizo_pcierr_intr, SA_SHIRQ,
+                request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED,
                             "TOMATILLO PCIERR-A", pbm);
 
 
         pbm = pbm_for_ino(p, SCHIZO_PCIERR_B_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[0], schizo_pcierr_intr, SA_SHIRQ,
+                request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED,
                             "TOMATILLO PCIERR-B", pbm);
 
         pbm = pbm_for_ino(p, SCHIZO_SERR_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[3], schizo_safarierr_intr, SA_SHIRQ,
+                request_irq(op->irqs[3], schizo_safarierr_intr, IRQF_SHARED,
                             "TOMATILLO SERR", p);
 
         /* Enable UE and CE interrupts for controller. */
@@ -1106,32 +1106,32 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
         pbm = pbm_for_ino(p, SCHIZO_UE_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[1], schizo_ue_intr, SA_SHIRQ,
+                request_irq(op->irqs[1], schizo_ue_intr, IRQF_SHARED,
                             "SCHIZO_UE", p);
 
         pbm = pbm_for_ino(p, SCHIZO_CE_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[2], schizo_ce_intr, SA_SHIRQ,
+                request_irq(op->irqs[2], schizo_ce_intr, IRQF_SHARED,
                             "SCHIZO CE", p);
 
         pbm = pbm_for_ino(p, SCHIZO_PCIERR_A_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[0], schizo_pcierr_intr, SA_SHIRQ,
+                request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED,
                             "SCHIZO PCIERR-A", pbm);
 
 
         pbm = pbm_for_ino(p, SCHIZO_PCIERR_B_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[0], schizo_pcierr_intr, SA_SHIRQ,
+                request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED,
                             "SCHIZO PCIERR-B", pbm);
 
         pbm = pbm_for_ino(p, SCHIZO_SERR_INO);
         op = of_find_device_by_node(pbm->prom_node);
         if (op)
-                request_irq(op->irqs[3], schizo_safarierr_intr, SA_SHIRQ,
+                request_irq(op->irqs[3], schizo_safarierr_intr, IRQF_SHARED,
                             "SCHIZO SERR", p);
 
         /* Enable UE and CE interrupts for controller. */
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index ef68aa4fec65..c49a57795743 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -1065,7 +1065,7 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus)
 
         irq = sbus_build_irq(sbus, SYSIO_UE_INO);
         if (request_irq(irq, sysio_ue_handler,
-                        SA_SHIRQ, "SYSIO UE", sbus) < 0) {
+                        IRQF_SHARED, "SYSIO UE", sbus) < 0) {
                 prom_printf("SYSIO[%x]: Cannot register UE interrupt.\n",
                             sbus->portid);
                 prom_halt();
@@ -1073,7 +1073,7 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus)
 
         irq = sbus_build_irq(sbus, SYSIO_CE_INO);
         if (request_irq(irq, sysio_ce_handler,
-                        SA_SHIRQ, "SYSIO CE", sbus) < 0) {
+                        IRQF_SHARED, "SYSIO CE", sbus) < 0) {
                 prom_printf("SYSIO[%x]: Cannot register CE interrupt.\n",
                             sbus->portid);
                 prom_halt();
@@ -1081,7 +1081,7 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus)
 
         irq = sbus_build_irq(sbus, SYSIO_SBUSERR_INO);
         if (request_irq(irq, sysio_sbus_error_handler,
-                        SA_SHIRQ, "SYSIO SBUS Error", sbus) < 0) {
+                        IRQF_SHARED, "SYSIO SBUS Error", sbus) < 0) {
                 prom_printf("SYSIO[%x]: Cannot register SBUS Error interrupt.\n",
                             sbus->portid);
                 prom_halt();
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 5ca57ca33713..ebebaabb78ad 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -373,7 +373,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data,
         int err;
 
         /* Interrupts are enabled here because we registered the interrupt with
-         * SA_INTERRUPT (see line_setup_irq).*/
+         * IRQF_DISABLED (see line_setup_irq).*/
 
         spin_lock_irq(&line->lock);
         err = flush_buffer(line);
@@ -406,7 +406,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data,
 int line_setup_irq(int fd, int input, int output, struct line *line, void *data)
 {
         struct line_driver *driver = line->driver;
-        int err = 0, flags = SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM;
+        int err = 0, flags = IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM;
 
         if (input)
                 err = um_request_irq(driver->read_irq, fd, IRQ_READ,
@@ -767,7 +767,7 @@ void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty)
         spin_unlock(&winch_handler_lock);
 
         if(um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt,
-                          SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM,
+                          IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
                           "winch", winch) < 0)
                 printk("register_winch_irq - failed to register IRQ\n");
 }
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 79149314ed04..b414522f7686 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -777,7 +777,7 @@ static int mconsole_init(void)
         register_reboot_notifier(&reboot_notifier);
 
         err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt,
-                             SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM,
+                             IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
                              "mconsole", (void *)sock);
         if (err){
                 printk("Failed to get IRQ for management console\n");
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 8c7279bb353b..501f95675d89 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -128,7 +128,7 @@ static int uml_net_open(struct net_device *dev)
         }
 
         err = um_request_irq(dev->irq, lp->fd, IRQ_READ, uml_net_interrupt,
-                             SA_INTERRUPT | SA_SHIRQ, dev->name, dev);
+                             IRQF_DISABLED | IRQF_SHARED, dev->name, dev);
         if(err != 0){
                 printk(KERN_ERR "uml_net_open: failed to get irq(%d)\n", err);
                 err = -ENETUNREACH;
diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c
index 189839e4f1d4..73755f37a8a8 100644
--- a/arch/um/drivers/port_kern.c
+++ b/arch/um/drivers/port_kern.c
@@ -105,7 +105,7 @@ static int port_accept(struct port_list *port)
                   .port         = port });
 
         if(um_request_irq(TELNETD_IRQ, socket[0], IRQ_READ, pipe_interrupt, 
-                          SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM, 
+                          IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
                           "telnetd", conn)){
                 printk(KERN_ERR "port_accept : failed to get IRQ for "
                        "telnetd\n");
@@ -186,7 +186,7 @@ void *port_data(int port_num)
                 goto out_free;
         }
         if(um_request_irq(ACCEPT_IRQ, fd, IRQ_READ, port_interrupt, 
-                          SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM, "port",
+                          IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, "port",
                           port)){
                 printk(KERN_ERR "Failed to get IRQ for port %d\n", port_num);
                 goto out_close;
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 0345e2551247..602d7286b9e0 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -874,7 +874,7 @@ int ubd_driver_init(void){
                 return(0);
         }
         err = um_request_irq(UBD_IRQ, thread_fd, IRQ_READ, ubd_intr,
-                             SA_INTERRUPT, "ubd", ubd_dev);
+                             IRQF_DISABLED, "ubd", ubd_dev);
         if(err != 0)
                 printk(KERN_ERR "um_request_irq failed - errno = %d\n", -err);
         return 0;
diff --git a/arch/um/drivers/xterm_kern.c b/arch/um/drivers/xterm_kern.c
index d269a80f4b0c..6036ec85895a 100644
--- a/arch/um/drivers/xterm_kern.c
+++ b/arch/um/drivers/xterm_kern.c
@@ -54,7 +54,7 @@ int xterm_fd(int socket, int *pid_out)
         init_completion(&data->ready);
 
         err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt, 
-                             SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM, 
+                             IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
                              "xterm", data);
         if (err){
                 printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, "
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index fae43a3054a0..bfd0bdc8cd40 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -474,7 +474,7 @@ int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *,
         }
 
         err = um_request_irq(irq, fds[0], IRQ_READ, handler,
-                             SA_INTERRUPT | SA_SAMPLE_RANDOM, name,
+                             IRQF_DISABLED | IRQF_SAMPLE_RANDOM, name,
                              (void *) (long) fds[0]);
         if (err) {
                 printk("init_aio_irq - : um_request_irq failed, err = %d\n",
diff --git a/arch/um/kernel/sigio_kern.c b/arch/um/kernel/sigio_kern.c
index 1c1300fb1e95..51b677083948 100644
--- a/arch/um/kernel/sigio_kern.c
+++ b/arch/um/kernel/sigio_kern.c
@@ -31,7 +31,7 @@ int write_sigio_irq(int fd)
         int err;
 
         err = um_request_irq(SIGIO_WRITE_IRQ, fd, IRQ_READ, sigio_interrupt,
-                             SA_INTERRUPT | SA_SAMPLE_RANDOM, "write sigio",
+                             IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "write sigio",
                              NULL);
         if(err){
                 printk("write_sigio_irq : um_request_irq failed, err = %d\n",
diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c
index 820fa3615a3f..d7e044b5e5ee 100644
--- a/arch/um/kernel/time_kern.c
+++ b/arch/um/kernel/time_kern.c
@@ -195,7 +195,7 @@ int __init timer_init(void)
         int err;
 
         user_time_init();
-        err = request_irq(TIMER_IRQ, um_timer, SA_INTERRUPT, "timer", NULL);
+        err = request_irq(TIMER_IRQ, um_timer, IRQF_DISABLED, "timer", NULL);
         if(err != 0)
                 printk(KERN_ERR "timer_init : request_irq failed - "
                        "errno = %d\n", -err);
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index a9c1443fc548..8368c2dbe635 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -119,7 +119,7 @@ void suspend_new_thread(int fd)
                 panic("read failed in suspend_new_thread, err = %d", -err);
 }
 
-void schedule_tail(task_t *prev);
+void schedule_tail(struct task_struct *prev);
 
 static void new_thread_handler(int sig)
 {
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 7d51dd7201c3..37cfe7701f06 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -495,6 +495,7 @@ void apply_alternatives(struct alt_instr *start, struct alt_instr *end)
 {
 }
 
+#ifdef CONFIG_SMP
 void alternatives_smp_module_add(struct module *mod, char *name,
                                  void *locks, void *locks_end,
                                  void *text,  void *text_end)
@@ -504,3 +505,4 @@ void alternatives_smp_module_add(struct module *mod, char *name,
 void alternatives_smp_module_del(struct module *mod)
 {
 }
+#endif
diff --git a/arch/v850/kernel/gbus_int.c b/arch/v850/kernel/gbus_int.c
index 92918b8d89ef..25d636e79e6a 100644
--- a/arch/v850/kernel/gbus_int.c
+++ b/arch/v850/kernel/gbus_int.c
@@ -154,7 +154,7 @@ static unsigned gbus_int_startup_irq (unsigned irq)
                 /* First enable the CPU interrupt.  */
                 int rval =
                         request_irq (IRQ_GINT(gint), gbus_int_handle_irq,
-                                     SA_INTERRUPT,
+                                     IRQF_DISABLED,
                                      "gbus_int_handler",
                                      &gint_num_active_irqs[gint]);
                 if (rval != 0)
diff --git a/arch/v850/kernel/rte_me2_cb.c b/arch/v850/kernel/rte_me2_cb.c
index df7027d85437..3be355a029e2 100644
--- a/arch/v850/kernel/rte_me2_cb.c
+++ b/arch/v850/kernel/rte_me2_cb.c
@@ -263,7 +263,7 @@ static unsigned cb_pic_startup_irq (unsigned irq)
 
         if (cb_pic_active_irqs == 0) {
                 rval = request_irq (IRQ_CB_PIC, cb_pic_handle_irq,
-                                    SA_INTERRUPT, "cb_pic_handler", 0);
+                                    IRQF_DISABLED, "cb_pic_handler", 0);
                 if (rval != 0)
                         return rval;
         }
diff --git a/arch/v850/kernel/time.c b/arch/v850/kernel/time.c
index c1e85c2aef65..a0b46695f186 100644
--- a/arch/v850/kernel/time.c
+++ b/arch/v850/kernel/time.c
@@ -177,7 +177,7 @@ EXPORT_SYMBOL(do_settimeofday);
 static int timer_dev_id;
 static struct irqaction timer_irqaction = {
         timer_interrupt,
-        SA_INTERRUPT,
+        IRQF_DISABLED,
         CPU_MASK_NONE,
         "timer",
         &timer_dev_id,
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index e856804c447f..28df7d88ce2c 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -24,6 +24,14 @@ config X86
         bool
         default y
 
+config LOCKDEP_SUPPORT
+        bool
+        default y
+
+config STACKTRACE_SUPPORT
+        bool
+        default y
+
 config SEMAPHORE_SLEEPERS
         bool
         default y
diff --git a/arch/x86_64/Kconfig.debug b/arch/x86_64/Kconfig.debug
index 1d92ab56c0f9..775d211a5cf9 100644
--- a/arch/x86_64/Kconfig.debug
+++ b/arch/x86_64/Kconfig.debug
@@ -1,5 +1,9 @@
 menu "Kernel hacking"
 
+config TRACE_IRQFLAGS_SUPPORT
+        bool
+        default y
+
 source "lib/Kconfig.debug"
 
 config DEBUG_RODATA
diff --git a/arch/x86_64/boot/setup.S b/arch/x86_64/boot/setup.S
index 7de8b8fd1685..a50b631f4d2b 100644
--- a/arch/x86_64/boot/setup.S
+++ b/arch/x86_64/boot/setup.S
@@ -46,7 +46,7 @@
  */
 
 #include <asm/segment.h>
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <linux/compile.h>
 #include <asm/boot.h>
 #include <asm/e820.h>
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index c536fa98ea37..9b5bb413a6e9 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -13,6 +13,7 @@
 #include <asm/thread_info.h>    
 #include <asm/segment.h>
 #include <asm/vsyscall32.h>
+#include <asm/irqflags.h>
 #include <linux/linkage.h>
 
 #define IA32_NR_syscalls ((ia32_syscall_end - ia32_sys_call_table)/8)
@@ -75,6 +76,10 @@ ENTRY(ia32_sysenter_target)
         swapgs
         movq    %gs:pda_kernelstack, %rsp
         addq    $(PDA_STACKOFFSET),%rsp 
+        /*
+         * No need to follow this irqs on/off section: the syscall
+         * disabled irqs, here we enable it straight after entry:
+         */
         sti     
         movl    %ebp,%ebp               /* zero extension */
         pushq   $__USER32_DS
@@ -118,6 +123,7 @@ sysenter_do_call:
         movq    %rax,RAX-ARGOFFSET(%rsp)
         GET_THREAD_INFO(%r10)
         cli
+        TRACE_IRQS_OFF
         testl   $_TIF_ALLWORK_MASK,threadinfo_flags(%r10)
         jnz     int_ret_from_sys_call
         andl    $~TS_COMPAT,threadinfo_status(%r10)
@@ -132,6 +138,7 @@ sysenter_do_call:
         CFI_REGISTER rsp,rcx
         movl    $VSYSCALL32_SYSEXIT,%edx        /* User %eip */
         CFI_REGISTER rip,rdx
+        TRACE_IRQS_ON
         swapgs
         sti             /* sti only takes effect after the next instruction */
         /* sysexit */
@@ -186,6 +193,10 @@ ENTRY(ia32_cstar_target)
         movl    %esp,%r8d
         CFI_REGISTER    rsp,r8
         movq    %gs:pda_kernelstack,%rsp
+        /*
+         * No need to follow this irqs on/off section: the syscall
+         * disabled irqs and here we enable it straight after entry:
+         */
         sti
         SAVE_ARGS 8,1,1
         movl    %eax,%eax       /* zero extension */
@@ -220,6 +231,7 @@ cstar_do_call:
         movq %rax,RAX-ARGOFFSET(%rsp)
         GET_THREAD_INFO(%r10)
         cli
+        TRACE_IRQS_OFF
         testl $_TIF_ALLWORK_MASK,threadinfo_flags(%r10)
         jnz  int_ret_from_sys_call
         andl $~TS_COMPAT,threadinfo_status(%r10)
@@ -228,6 +240,7 @@ cstar_do_call:
         CFI_REGISTER rip,rcx
         movl EFLAGS-ARGOFFSET(%rsp),%r11d       
         /*CFI_REGISTER rflags,r11*/
+        TRACE_IRQS_ON
         movl RSP-ARGOFFSET(%rsp),%esp
         CFI_RESTORE rsp
         swapgs
@@ -286,7 +299,11 @@ ENTRY(ia32_syscall)
         /*CFI_REL_OFFSET        rflags,EFLAGS-RIP*/
         /*CFI_REL_OFFSET        cs,CS-RIP*/
         CFI_REL_OFFSET  rip,RIP-RIP
-        swapgs  
+        swapgs
+        /*
+         * No need to follow this irqs on/off section: the syscall
+         * disabled irqs and here we enable it straight after entry:
+         */
         sti
         movl %eax,%eax
         pushq %rax
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 819e84ec5b64..b5aaeafc1cd3 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -10,6 +10,7 @@ obj-y	:= process.o signal.o entry.o traps.o irq.o \
                 setup64.o bootflag.o e820.o reboot.o quirks.o i8237.o \
                 pci-dma.o pci-nommu.o alternative.o
 
+obj-$(CONFIG_STACKTRACE)        += stacktrace.o
 obj-$(CONFIG_X86_MCE)         += mce.o
 obj-$(CONFIG_X86_MCE_INTEL)     += mce_intel.o
 obj-$(CONFIG_X86_MCE_AMD)       += mce_amd.o
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index ed92c2983606..d464dded68c0 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -41,13 +41,24 @@
 #include <asm/thread_info.h>
 #include <asm/hw_irq.h>
 #include <asm/page.h>
+#include <asm/irqflags.h>
 
         .code64
 
 #ifndef CONFIG_PREEMPT
 #define retint_kernel retint_restore_args
 #endif  
-        
+
+
+.macro TRACE_IRQS_IRETQ offset=ARGOFFSET
+#ifdef CONFIG_TRACE_IRQFLAGS
+        bt   $9,EFLAGS-\offset(%rsp)    /* interrupts off? */
+        jnc  1f
+        TRACE_IRQS_ON
+1:
+#endif
+.endm
+
 /*
  * C code is not supposed to know about undefined top of stack. Every time 
  * a C function with an pt_regs argument is called from the SYSCALL based 
@@ -194,6 +205,10 @@ ENTRY(system_call)
         swapgs
         movq    %rsp,%gs:pda_oldrsp 
         movq    %gs:pda_kernelstack,%rsp
+        /*
+         * No need to follow this irqs off/on section - it's straight
+         * and short:
+         */
         sti                                     
         SAVE_ARGS 8,1
         movq  %rax,ORIG_RAX-ARGOFFSET(%rsp) 
@@ -219,10 +234,15 @@ ret_from_sys_call:
 sysret_check:           
         GET_THREAD_INFO(%rcx)
         cli
+        TRACE_IRQS_OFF
         movl threadinfo_flags(%rcx),%edx
         andl %edi,%edx
         CFI_REMEMBER_STATE
         jnz  sysret_careful 
+        /*
+         * sysretq will re-enable interrupts:
+         */
+        TRACE_IRQS_ON
         movq RIP-ARGOFFSET(%rsp),%rcx
         CFI_REGISTER    rip,rcx
         RESTORE_ARGS 0,-ARG_SKIP,1
@@ -237,6 +257,7 @@ sysret_careful:
         CFI_RESTORE_STATE
         bt $TIF_NEED_RESCHED,%edx
         jnc sysret_signal
+        TRACE_IRQS_ON
         sti
         pushq %rdi
         CFI_ADJUST_CFA_OFFSET 8
@@ -247,6 +268,7 @@ sysret_careful:
 
         /* Handle a signal */ 
 sysret_signal:
+        TRACE_IRQS_ON
         sti
         testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx
         jz    1f
@@ -261,6 +283,7 @@ sysret_signal:
         /* Use IRET because user could have changed frame. This
            works because ptregscall_common has called FIXUP_TOP_OF_STACK. */
         cli
+        TRACE_IRQS_OFF
         jmp int_with_check
         
 badsys:
@@ -309,6 +332,7 @@ ENTRY(int_ret_from_sys_call)
         CFI_REL_OFFSET  r10,R10-ARGOFFSET
         CFI_REL_OFFSET  r11,R11-ARGOFFSET
         cli
+        TRACE_IRQS_OFF
         testl $3,CS-ARGOFFSET(%rsp)
         je retint_restore_args
         movl $_TIF_ALLWORK_MASK,%edi
@@ -327,6 +351,7 @@ int_with_check:
 int_careful:
         bt $TIF_NEED_RESCHED,%edx
         jnc  int_very_careful
+        TRACE_IRQS_ON
         sti
         pushq %rdi
         CFI_ADJUST_CFA_OFFSET 8
@@ -334,10 +359,12 @@ int_careful:
         popq %rdi
         CFI_ADJUST_CFA_OFFSET -8
         cli
+        TRACE_IRQS_OFF
         jmp int_with_check
 
         /* handle signals and tracing -- both require a full stack frame */
 int_very_careful:
+        TRACE_IRQS_ON
         sti
         SAVE_REST
         /* Check for syscall exit trace */      
@@ -351,6 +378,7 @@ int_very_careful:
         CFI_ADJUST_CFA_OFFSET -8
         andl $~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP),%edi
         cli
+        TRACE_IRQS_OFF
         jmp int_restore_rest
         
 int_signal:
@@ -363,6 +391,7 @@ int_signal:
 int_restore_rest:
         RESTORE_REST
         cli
+        TRACE_IRQS_OFF
         jmp int_with_check
         CFI_ENDPROC
 END(int_ret_from_sys_call)
@@ -484,6 +513,10 @@ END(stub_rt_sigreturn)
         swapgs  
 1:      incl    %gs:pda_irqcount        # RED-PEN should check preempt count
         cmoveq %gs:pda_irqstackptr,%rsp
+        /*
+         * We entered an interrupt context - irqs are off:
+         */
+        TRACE_IRQS_OFF
         call \func
         .endm
 
@@ -493,6 +526,7 @@ ENTRY(common_interrupt)
         /* 0(%rsp): oldrsp-ARGOFFSET */
 ret_from_intr:
         cli     
+        TRACE_IRQS_OFF
         decl %gs:pda_irqcount
         leaveq
         CFI_DEF_CFA_REGISTER    rsp
@@ -515,9 +549,21 @@ retint_check:
         CFI_REMEMBER_STATE
         jnz  retint_careful
 retint_swapgs:          
+        /*
+         * The iretq could re-enable interrupts:
+         */
+        cli
+        TRACE_IRQS_IRETQ
         swapgs 
+        jmp restore_args
+
 retint_restore_args:                            
         cli
+        /*
+         * The iretq could re-enable interrupts:
+         */
+        TRACE_IRQS_IRETQ
+restore_args:
         RESTORE_ARGS 0,8,0                                              
 iret_label:     
         iretq
@@ -530,6 +576,7 @@ iret_label:
         /* running with kernel gs */
 bad_iret:
         movq $11,%rdi   /* SIGSEGV */
+        TRACE_IRQS_ON
         sti
         jmp do_exit                     
         .previous       
@@ -539,6 +586,7 @@ retint_careful:
         CFI_RESTORE_STATE
         bt    $TIF_NEED_RESCHED,%edx
         jnc   retint_signal
+        TRACE_IRQS_ON
         sti
         pushq %rdi
         CFI_ADJUST_CFA_OFFSET   8
@@ -547,11 +595,13 @@ retint_careful:
         CFI_ADJUST_CFA_OFFSET   -8
         GET_THREAD_INFO(%rcx)
         cli
+        TRACE_IRQS_OFF
         jmp retint_check
         
 retint_signal:
         testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx
         jz    retint_swapgs
+        TRACE_IRQS_ON
         sti
         SAVE_REST
         movq $-1,ORIG_RAX(%rsp)                         
@@ -560,6 +610,7 @@ retint_signal:
         call do_notify_resume
         RESTORE_REST
         cli
+        TRACE_IRQS_OFF
         movl $_TIF_NEED_RESCHED,%edi
         GET_THREAD_INFO(%rcx)
         jmp retint_check
@@ -666,7 +717,7 @@ END(spurious_interrupt)
 
         /* error code is on the stack already */
         /* handle NMI like exceptions that can happen everywhere */
-        .macro paranoidentry sym, ist=0
+        .macro paranoidentry sym, ist=0, irqtrace=1
         SAVE_ALL
         cld
         movl $1,%ebx
@@ -691,8 +742,73 @@ END(spurious_interrupt)
         addq    $EXCEPTION_STKSZ, per_cpu__init_tss + TSS_ist + (\ist - 1) * 8(%rbp)
         .endif
         cli
+        .if \irqtrace
+        TRACE_IRQS_OFF
+        .endif
         .endm
-        
+
+        /*
+         * "Paranoid" exit path from exception stack.
+         * Paranoid because this is used by NMIs and cannot take
+         * any kernel state for granted.
+         * We don't do kernel preemption checks here, because only
+         * NMI should be common and it does not enable IRQs and
+         * cannot get reschedule ticks.
+         *
+         * "trace" is 0 for the NMI handler only, because irq-tracing
+         * is fundamentally NMI-unsafe. (we cannot change the soft and
+         * hard flags at once, atomically)
+         */
+        .macro paranoidexit trace=1
+        /* ebx: no swapgs flag */
+paranoid_exit\trace:
+        testl %ebx,%ebx                         /* swapgs needed? */
+        jnz paranoid_restore\trace
+        testl $3,CS(%rsp)
+        jnz   paranoid_userspace\trace
+paranoid_swapgs\trace:
+        TRACE_IRQS_IRETQ 0
+        swapgs
+paranoid_restore\trace:
+        RESTORE_ALL 8
+        iretq
+paranoid_userspace\trace:
+        GET_THREAD_INFO(%rcx)
+        movl threadinfo_flags(%rcx),%ebx
+        andl $_TIF_WORK_MASK,%ebx
+        jz paranoid_swapgs\trace
+        movq %rsp,%rdi                  /* &pt_regs */
+        call sync_regs
+        movq %rax,%rsp                  /* switch stack for scheduling */
+        testl $_TIF_NEED_RESCHED,%ebx
+        jnz paranoid_schedule\trace
+        movl %ebx,%edx                  /* arg3: thread flags */
+        .if \trace
+        TRACE_IRQS_ON
+        .endif
+        sti
+        xorl %esi,%esi                  /* arg2: oldset */
+        movq %rsp,%rdi                  /* arg1: &pt_regs */
+        call do_notify_resume
+        cli
+        .if \trace
+        TRACE_IRQS_OFF
+        .endif
+        jmp paranoid_userspace\trace
+paranoid_schedule\trace:
+        .if \trace
+        TRACE_IRQS_ON
+        .endif
+        sti
+        call schedule
+        cli
+        .if \trace
+        TRACE_IRQS_OFF
+        .endif
+        jmp paranoid_userspace\trace
+        CFI_ENDPROC
+        .endm
+
 /*
  * Exception entry point. This expects an error code/orig_rax on the stack
  * and the exception handler in %rax.   
@@ -748,6 +864,7 @@ error_exit:
         movl %ebx,%eax          
         RESTORE_REST
         cli
+        TRACE_IRQS_OFF
         GET_THREAD_INFO(%rcx)   
         testl %eax,%eax
         jne  retint_kernel
@@ -755,6 +872,10 @@ error_exit:
         movl  $_TIF_WORK_MASK,%edi
         andl  %edi,%edx
         jnz  retint_careful
+        /*
+         * The iret might restore flags:
+         */
+        TRACE_IRQS_IRETQ
         swapgs 
         RESTORE_ARGS 0,8,0                                              
         jmp iret_label
@@ -916,8 +1037,7 @@ KPROBE_ENTRY(debug)
         pushq $0
         CFI_ADJUST_CFA_OFFSET 8         
         paranoidentry do_debug, DEBUG_STACK
-        jmp paranoid_exit
-        CFI_ENDPROC
+        paranoidexit
 END(debug)
         .previous .text
 
@@ -926,49 +1046,13 @@ KPROBE_ENTRY(nmi)
         INTR_FRAME
         pushq $-1
         CFI_ADJUST_CFA_OFFSET 8
-        paranoidentry do_nmi
-        /*
-         * "Paranoid" exit path from exception stack.
-         * Paranoid because this is used by NMIs and cannot take
-         * any kernel state for granted.
-         * We don't do kernel preemption checks here, because only
-         * NMI should be common and it does not enable IRQs and
-         * cannot get reschedule ticks.
-         */
-        /* ebx: no swapgs flag */
-paranoid_exit:
-        testl %ebx,%ebx                         /* swapgs needed? */
-        jnz paranoid_restore
-        testl $3,CS(%rsp)
-        jnz   paranoid_userspace
-paranoid_swapgs:        
-        swapgs
-paranoid_restore:       
-        RESTORE_ALL 8
-        iretq
-paranoid_userspace:     
-        GET_THREAD_INFO(%rcx)
-        movl threadinfo_flags(%rcx),%ebx
-        andl $_TIF_WORK_MASK,%ebx
-        jz paranoid_swapgs
-        movq %rsp,%rdi                  /* &pt_regs */
-        call sync_regs
-        movq %rax,%rsp                  /* switch stack for scheduling */
-        testl $_TIF_NEED_RESCHED,%ebx
-        jnz paranoid_schedule
-        movl %ebx,%edx                  /* arg3: thread flags */
-        sti
-        xorl %esi,%esi                  /* arg2: oldset */
-        movq %rsp,%rdi                  /* arg1: &pt_regs */
-        call do_notify_resume
-        cli
-        jmp paranoid_userspace
-paranoid_schedule:
-        sti
-        call schedule
-        cli
-        jmp paranoid_userspace
-        CFI_ENDPROC
+        paranoidentry do_nmi, 0, 0
+#ifdef CONFIG_TRACE_IRQFLAGS
+        paranoidexit 0
+#else
+        jmp paranoid_exit1
+        CFI_ENDPROC
+#endif
 END(nmi)
         .previous .text
 
@@ -977,7 +1061,7 @@ KPROBE_ENTRY(int3)
         pushq $0
         CFI_ADJUST_CFA_OFFSET 8
         paranoidentry do_int3, DEBUG_STACK
-        jmp paranoid_exit
+        jmp paranoid_exit1
         CFI_ENDPROC
 END(int3)
         .previous .text
@@ -1006,7 +1090,7 @@ END(reserved)
 ENTRY(double_fault)
         XCPT_FRAME
         paranoidentry do_double_fault
-        jmp paranoid_exit
+        jmp paranoid_exit1
         CFI_ENDPROC
 END(double_fault)
 
@@ -1022,7 +1106,7 @@ END(segment_not_present)
 ENTRY(stack_segment)
         XCPT_FRAME
         paranoidentry do_stack_segment
-        jmp paranoid_exit
+        jmp paranoid_exit1
         CFI_ENDPROC
 END(stack_segment)
 
@@ -1050,7 +1134,7 @@ ENTRY(machine_check)
         pushq $0
         CFI_ADJUST_CFA_OFFSET 8 
         paranoidentry do_machine_check
-        jmp paranoid_exit
+        jmp paranoid_exit1
         CFI_ENDPROC
 END(machine_check)
 #endif
diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c
index e6a71c9556d9..36647ce6aecb 100644
--- a/arch/x86_64/kernel/head64.c
+++ b/arch/x86_64/kernel/head64.c
@@ -85,6 +85,11 @@ void __init x86_64_start_kernel(char * real_mode_data)
         clear_bss();
 
         /*
+         * This must be called really, really early:
+         */
+        lockdep_init();
+
+        /*
          * switch to init_level4_pgt from boot_level4_pgt
          */
         memcpy(init_level4_pgt, boot_level4_pgt, PTRS_PER_PGD*sizeof(pgd_t));
diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c
index a1f1df5f7bfc..5221a53e90c1 100644
--- a/arch/x86_64/kernel/irq.c
+++ b/arch/x86_64/kernel/irq.c
@@ -177,8 +177,10 @@ asmlinkage void do_softirq(void)
         local_irq_save(flags);
         pending = local_softirq_pending();
         /* Switch to interrupt stack */
-        if (pending)
+        if (pending) {
                 call_softirq();
+                WARN_ON_ONCE(softirq_count());
+        }
         local_irq_restore(flags);
 }
 EXPORT_SYMBOL(do_softirq);
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index 476c1472fc07..5baa0c726e97 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -127,7 +127,7 @@ void __cpuinit nmi_watchdog_default(void)
 static __init void nmi_cpu_busy(void *data)
 {
         volatile int *endflag = data;
-        local_irq_enable();
+        local_irq_enable_in_hardirq();
         /* Intentionally don't use cpu_relax here. This is
            to make sure that the performance counter really ticks,
            even if there is a simulator or similar that catches the
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index ca56e19b8b6e..bb6745d13b8f 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -296,7 +296,7 @@ void __show_regs(struct pt_regs * regs)
                 system_utsname.version);
         printk("RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->rip);
         printk_address(regs->rip); 
-        printk("\nRSP: %04lx:%016lx  EFLAGS: %08lx\n", regs->ss, regs->rsp,
+        printk("RSP: %04lx:%016lx  EFLAGS: %08lx\n", regs->ss, regs->rsp,
                 regs->eflags);
         printk("RAX: %016lx RBX: %016lx RCX: %016lx\n",
                regs->rax, regs->rbx, regs->rcx);
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 9705a6a384f1..b7c705969791 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -775,6 +775,8 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
         };
         DECLARE_WORK(work, do_fork_idle, &c_idle);
 
+        lockdep_set_class(&c_idle.done.wait.lock, &waitqueue_lock_key);
+
         /* allocate memory for gdts of secondary cpus. Hotplug is considered */
         if (!cpu_gdt_descr[cpu].address &&
                 !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) {
diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c
new file mode 100644
index 000000000000..32cf55eb9af8
--- /dev/null
+++ b/arch/x86_64/kernel/stacktrace.c
@@ -0,0 +1,221 @@
+/*
+ * arch/x86_64/kernel/stacktrace.c
+ *
+ * Stack trace management functions
+ *
+ *  Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ */
+#include <linux/sched.h>
+#include <linux/stacktrace.h>
+
+#include <asm/smp.h>
+
+static inline int
+in_range(unsigned long start, unsigned long addr, unsigned long end)
+{
+        return addr >= start && addr <= end;
+}
+
+static unsigned long
+get_stack_end(struct task_struct *task, unsigned long stack)
+{
+        unsigned long stack_start, stack_end, flags;
+        int i, cpu;
+
+        /*
+         * The most common case is that we are in the task stack:
+         */
+        stack_start = (unsigned long)task->thread_info;
+        stack_end = stack_start + THREAD_SIZE;
+
+        if (in_range(stack_start, stack, stack_end))
+                return stack_end;
+
+        /*
+         * We are in an interrupt if irqstackptr is set:
+         */
+        raw_local_irq_save(flags);
+        cpu = safe_smp_processor_id();
+        stack_end = (unsigned long)cpu_pda(cpu)->irqstackptr;
+
+        if (stack_end) {
+                stack_start = stack_end & ~(IRQSTACKSIZE-1);
+                if (in_range(stack_start, stack, stack_end))
+                        goto out_restore;
+                /*
+                 * We get here if we are in an IRQ context but we
+                 * are also in an exception stack.
+                 */
+        }
+
+        /*
+         * Iterate over all exception stacks, and figure out whether
+         * 'stack' is in one of them:
+         */
+        for (i = 0; i < N_EXCEPTION_STACKS; i++) {
+                /*
+                 * set 'end' to the end of the exception stack.
+                 */
+                stack_end = per_cpu(init_tss, cpu).ist[i];
+                stack_start = stack_end - EXCEPTION_STKSZ;
+
+                /*
+                 * Is 'stack' above this exception frame's end?
+                 * If yes then skip to the next frame.
+                 */
+                if (stack >= stack_end)
+                        continue;
+                /*
+                 * Is 'stack' above this exception frame's start address?
+                 * If yes then we found the right frame.
+                 */
+                if (stack >= stack_start)
+                        goto out_restore;
+
+                /*
+                 * If this is a debug stack, and if it has a larger size than
+                 * the usual exception stacks, then 'stack' might still
+                 * be within the lower portion of the debug stack:
+                 */
+#if DEBUG_STKSZ > EXCEPTION_STKSZ
+                if (i == DEBUG_STACK - 1 && stack >= stack_end - DEBUG_STKSZ) {
+                        /*
+                         * Black magic. A large debug stack is composed of
+                         * multiple exception stack entries, which we
+                         * iterate through now. Dont look:
+                         */
+                        do {
+                                stack_end -= EXCEPTION_STKSZ;
+                                stack_start -= EXCEPTION_STKSZ;
+                        } while (stack < stack_start);
+
+                        goto out_restore;
+                }
+#endif
+        }
+        /*
+         * Ok, 'stack' is not pointing to any of the system stacks.
+         */
+        stack_end = 0;
+
+out_restore:
+        raw_local_irq_restore(flags);
+
+        return stack_end;
+}
+
+
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer:
+ */
+static inline unsigned long
+save_context_stack(struct stack_trace *trace, unsigned int skip,
+                   unsigned long stack, unsigned long stack_end)
+{
+        unsigned long addr;
+
+#ifdef CONFIG_FRAME_POINTER
+        unsigned long prev_stack = 0;
+
+        while (in_range(prev_stack, stack, stack_end)) {
+                pr_debug("stack:          %p\n", (void *)stack);
+                addr = (unsigned long)(((unsigned long *)stack)[1]);
+                pr_debug("addr:           %p\n", (void *)addr);
+                if (!skip)
+                        trace->entries[trace->nr_entries++] = addr-1;
+                else
+                        skip--;
+                if (trace->nr_entries >= trace->max_entries)
+                        break;
+                if (!addr)
+                        return 0;
+                /*
+                 * Stack frames must go forwards (otherwise a loop could
+                 * happen if the stackframe is corrupted), so we move
+                 * prev_stack forwards:
+                 */
+                prev_stack = stack;
+                stack = (unsigned long)(((unsigned long *)stack)[0]);
+        }
+        pr_debug("invalid:        %p\n", (void *)stack);
+#else
+        while (stack < stack_end) {
+                addr = ((unsigned long *)stack)[0];
+                stack += sizeof(long);
+                if (__kernel_text_address(addr)) {
+                        if (!skip)
+                                trace->entries[trace->nr_entries++] = addr-1;
+                        else
+                                skip--;
+                        if (trace->nr_entries >= trace->max_entries)
+                                break;
+                }
+        }
+#endif
+        return stack;
+}
+
+#define MAX_STACKS 10
+
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer.
+ * If all_contexts is set, all contexts (hardirq, softirq and process)
+ * are saved. If not set then only the current context is saved.
+ */
+void save_stack_trace(struct stack_trace *trace,
+                      struct task_struct *task, int all_contexts,
+                      unsigned int skip)
+{
+        unsigned long stack = (unsigned long)&stack;
+        int i, nr_stacks = 0, stacks_done[MAX_STACKS];
+
+        WARN_ON(trace->nr_entries || !trace->max_entries);
+
+        if (!task)
+                task = current;
+
+        pr_debug("task: %p, ti: %p\n", task, task->thread_info);
+
+        if (!task || task == current) {
+                /* Grab rbp right from our regs: */
+                asm ("mov %%rbp, %0" : "=r" (stack));
+                pr_debug("rbp:            %p\n", (void *)stack);
+        } else {
+                /* rbp is the last reg pushed by switch_to(): */
+                stack = task->thread.rsp;
+                pr_debug("other task rsp: %p\n", (void *)stack);
+                stack = (unsigned long)(((unsigned long *)stack)[0]);
+                pr_debug("other task rbp: %p\n", (void *)stack);
+        }
+
+        while (1) {
+                unsigned long stack_end = get_stack_end(task, stack);
+
+                pr_debug("stack:          %p\n", (void *)stack);
+                pr_debug("stack end:      %p\n", (void *)stack_end);
+
+                /*
+                 * Invalid stack addres?
+                 */
+                if (!stack_end)
+                        return;
+                /*
+                 * Were we in this stack already? (recursion)
+                 */
+                for (i = 0; i < nr_stacks; i++)
+                        if (stacks_done[i] == stack_end)
+                                return;
+                stacks_done[nr_stacks] = stack_end;
+
+                stack = save_context_stack(trace, skip, stack, stack_end);
+                if (!all_contexts || !stack ||
+                                trace->nr_entries >= trace->max_entries)
+                        return;
+                trace->entries[trace->nr_entries++] = ULONG_MAX;
+                if (trace->nr_entries >= trace->max_entries)
+                        return;
+                if (++nr_stacks >= MAX_STACKS)
+                        return;
+        }
+}
+
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index ebbee6f59ff5..b9ff75992c16 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -889,7 +889,7 @@ int __init time_setup(char *str)
 }
 
 static struct irqaction irq0 = {
-        timer_interrupt, SA_INTERRUPT, CPU_MASK_NONE, "timer", NULL, NULL
+        timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL
 };
 
 void __init time_init(void)
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 5a5311d3de0f..79d05c482072 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -110,28 +110,31 @@ static int kstack_depth_to_print = 12;
 static int call_trace = 1;
 
 #ifdef CONFIG_KALLSYMS
-#include <linux/kallsyms.h> 
-int printk_address(unsigned long address)
-{ 
+# include <linux/kallsyms.h>
+void printk_address(unsigned long address)
+{
         unsigned long offset = 0, symsize;
         const char *symname;
         char *modname;
-        char *delim = ":"; 
+        char *delim = ":";
         char namebuf[128];
 
-        symname = kallsyms_lookup(address, &symsize, &offset, &modname, namebuf); 
-        if (!symname) 
-                return printk("[<%016lx>]", address);
-        if (!modname) 
+        symname = kallsyms_lookup(address, &symsize, &offset,
+                                        &modname, namebuf);
+        if (!symname) {
+                printk(" [<%016lx>]\n", address);
+                return;
+        }
+        if (!modname)
                 modname = delim = "";           
-        return printk("<%016lx>{%s%s%s%s%+ld}",
-                      address, delim, modname, delim, symname, offset); 
-} 
+        printk(" [<%016lx>] %s%s%s%s+0x%lx/0x%lx\n",
+                address, delim, modname, delim, symname, offset, symsize);
+}
 #else
-int printk_address(unsigned long address)
-{ 
-        return printk("[<%016lx>]", address);
-} 
+void printk_address(unsigned long address)
+{
+        printk(" [<%016lx>]\n", address);
+}
 #endif
 
 static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
@@ -149,10 +152,22 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
         };
         unsigned k;
 
+        /*
+         * Iterate over all exception stacks, and figure out whether
+         * 'stack' is in one of them:
+         */
         for (k = 0; k < N_EXCEPTION_STACKS; k++) {
                 unsigned long end;
 
+                /*
+                 * set 'end' to the end of the exception stack.
+                 */
                 switch (k + 1) {
+                /*
+                 * TODO: this block is not needed i think, because
+                 * setup64.c:cpu_init() sets up t->ist[DEBUG_STACK]
+                 * properly too.
+                 */
 #if DEBUG_STKSZ > EXCEPTION_STKSZ
                 case DEBUG_STACK:
                         end = cpu_pda(cpu)->debugstack + DEBUG_STKSZ;
@@ -162,19 +177,43 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
                         end = per_cpu(init_tss, cpu).ist[k];
                         break;
                 }
+                /*
+                 * Is 'stack' above this exception frame's end?
+                 * If yes then skip to the next frame.
+                 */
                 if (stack >= end)
                         continue;
+                /*
+                 * Is 'stack' above this exception frame's start address?
+                 * If yes then we found the right frame.
+                 */
                 if (stack >= end - EXCEPTION_STKSZ) {
+                        /*
+                         * Make sure we only iterate through an exception
+                         * stack once. If it comes up for the second time
+                         * then there's something wrong going on - just
+                         * break out and return NULL:
+                         */
                         if (*usedp & (1U << k))
                                 break;
                         *usedp |= 1U << k;
                         *idp = ids[k];
                         return (unsigned long *)end;
                 }
+                /*
+                 * If this is a debug stack, and if it has a larger size than
+                 * the usual exception stacks, then 'stack' might still
+                 * be within the lower portion of the debug stack:
+                 */
 #if DEBUG_STKSZ > EXCEPTION_STKSZ
                 if (k == DEBUG_STACK - 1 && stack >= end - DEBUG_STKSZ) {
                         unsigned j = N_EXCEPTION_STACKS - 1;
 
+                        /*
+                         * Black magic. A large debug stack is composed of
+                         * multiple exception stack entries, which we
+                         * iterate through now. Dont look:
+                         */
                         do {
                                 ++j;
                                 end -= EXCEPTION_STKSZ;
@@ -193,20 +232,14 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
 
 static int show_trace_unwind(struct unwind_frame_info *info, void *context)
 {
-        int i = 11, n = 0;
+        int n = 0;
 
         while (unwind(info) == 0 && UNW_PC(info)) {
-                ++n;
-                if (i > 50) {
-                        printk("\n       ");
-                        i = 7;
-                } else
-                        i += printk(" ");
-                i += printk_address(UNW_PC(info));
+                n++;
+                printk_address(UNW_PC(info));
                 if (arch_unw_user_mode(info))
                         break;
         }
-        printk("\n");
         return n;
 }
 
@@ -224,7 +257,7 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
         int i = 11;
         unsigned used = 0;
 
-        printk("\nCall Trace:");
+        printk("\nCall Trace:\n");
 
         if (!tsk)
                 tsk = current;
@@ -250,16 +283,15 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
                 }
         }
 
+        /*
+         * Print function call entries within a stack. 'cond' is the
+         * "end of stackframe" condition, that the 'stack++'
+         * iteration will eventually trigger.
+         */
 #define HANDLE_STACK(cond) \
         do while (cond) { \
                 unsigned long addr = *stack++; \
                 if (kernel_text_address(addr)) { \
-                        if (i > 50) { \
-                                printk("\n       "); \
-                                i = 0; \
-                        } \
-                        else \
-                                i += printk(" "); \
                         /* \
                          * If the address is either in the text segment of the \
                          * kernel, or in the region which contains vmalloc'ed \
@@ -268,20 +300,30 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
                          * down the cause of the crash will be able to figure \
                          * out the call path that was taken. \
                          */ \
-                        i += printk_address(addr); \
+                        printk_address(addr); \
                 } \
         } while (0)
 
-        for(; ; ) {
+        /*
+         * Print function call entries in all stacks, starting at the
+         * current stack address. If the stacks consist of nested
+         * exceptions
+         */
+        for ( ; ; ) {
                 const char *id;
                 unsigned long *estack_end;
                 estack_end = in_exception_stack(cpu, (unsigned long)stack,
                                                 &used, &id);
 
                 if (estack_end) {
-                        i += printk(" <%s>", id);
+                        printk(" <%s>", id);
                         HANDLE_STACK (stack < estack_end);
-                        i += printk(" <EOE>");
+                        printk(" <EOE>");
+                        /*
+                         * We link to the next stack via the
+                         * second-to-last pointer (index -2 to end) in the
+                         * exception stack:
+                         */
                         stack = (unsigned long *) estack_end[-2];
                         continue;
                 }
@@ -291,19 +333,28 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
                                 (IRQSTACKSIZE - 64) / sizeof(*irqstack);
 
                         if (stack >= irqstack && stack < irqstack_end) {
-                                i += printk(" <IRQ>");
+                                printk(" <IRQ>");
                                 HANDLE_STACK (stack < irqstack_end);
+                                /*
+                                 * We link to the next stack (which would be
+                                 * the process stack normally) the last
+                                 * pointer (index -1 to end) in the IRQ stack:
+                                 */
                                 stack = (unsigned long *) (irqstack_end[-1]);
                                 irqstack_end = NULL;
-                                i += printk(" <EOI>");
+                                printk(" <EOI>");
                                 continue;
                         }
                 }
                 break;
         }
 
+        /*
+         * This prints the process stack:
+         */
         HANDLE_STACK (((long) stack & (THREAD_SIZE-1)) != 0);
 #undef HANDLE_STACK
+
         printk("\n");
 }
 
@@ -337,8 +388,8 @@ static void _show_stack(struct task_struct *tsk, struct pt_regs *regs, unsigned
                         break;
                 }
                 if (i && ((i % 4) == 0))
-                        printk("\n       ");
-                printk("%016lx ", *stack++);
+                        printk("\n");
+                printk(" %016lx", *stack++);
                 touch_nmi_watchdog();
         }
         show_trace(tsk, regs, rsp);
diff --git a/arch/x86_64/lib/thunk.S b/arch/x86_64/lib/thunk.S
index e49af0032e94..332ea5dff916 100644
--- a/arch/x86_64/lib/thunk.S
+++ b/arch/x86_64/lib/thunk.S
@@ -47,6 +47,11 @@
         thunk_retrax __down_failed_interruptible,__down_interruptible
         thunk_retrax __down_failed_trylock,__down_trylock
         thunk __up_wakeup,__up
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+        thunk trace_hardirqs_on_thunk,trace_hardirqs_on
+        thunk trace_hardirqs_off_thunk,trace_hardirqs_off
+#endif
         
         /* SAVE_ARGS below is used only for the .cfi directives it contains. */
         CFI_STARTPROC
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 5afcf6eb00fa..ac8ea66ccb94 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -570,7 +570,6 @@ no_context:
                 printk(KERN_ALERT "Unable to handle kernel paging request");
         printk(" at %016lx RIP: \n" KERN_ALERT,address);
         printk_address(regs->rip);
-        printk("\n");
         dump_pagetable(address);
         tsk->thread.cr2 = address;
         tsk->thread.trap_no = 14;
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 4a2c365ba684..412ab32de391 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -52,7 +52,7 @@ unsigned long long sched_clock(void)
 static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static struct irqaction timer_irqaction = {
         .handler =      timer_interrupt,
-        .flags =        SA_INTERRUPT,
+        .flags =        IRQF_DISABLED,
         .name =         "timer",
 };