Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

39 files changed, 410 insertions, 177 deletions

diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index 9d4b17462f13..5642924fb9fb 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_U3_DART)		+= dart_iommu.o
 obj-$(CONFIG_MMIO_NVRAM)        += mmio_nvram.o
 obj-$(CONFIG_FSL_SOC)           += fsl_soc.o
 obj-$(CONFIG_FSL_PCI)           += fsl_pci.o $(fsl-msi-obj-y)
+obj-$(CONFIG_FSL_PMC)           += fsl_pmc.o
 obj-$(CONFIG_FSL_LBC)           += fsl_lbc.o
 obj-$(CONFIG_FSL_GTM)           += fsl_gtm.o
 obj-$(CONFIG_MPC8xxx_GPIO)      += mpc8xxx_gpio.o
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c
index 82424cd7e128..8d103ca6d6ab 100644
--- a/arch/powerpc/sysdev/cpm1.c
+++ b/arch/powerpc/sysdev/cpm1.c
@@ -31,6 +31,7 @@
 #include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
+#include <linux/slab.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/8xx_immap.h>
@@ -77,7 +78,7 @@ static void cpm_end_irq(unsigned int irq)
 }
 
 static struct irq_chip cpm_pic = {
-        .typename = " CPM PIC ",
+        .name = "CPM PIC",
         .mask = cpm_mask_irq,
         .unmask = cpm_unmask_irq,
         .eoi = cpm_end_irq,
@@ -102,7 +103,7 @@ static int cpm_pic_host_map(struct irq_host *h, unsigned int virq,
 {
         pr_debug("cpm_pic_host_map(%d, 0x%lx)\n", virq, hw);
 
-        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        irq_to_desc(virq)->status |= IRQ_LEVEL;
         set_irq_chip_and_handler(virq, &cpm_pic, handle_fasteoi_irq);
         return 0;
 }
@@ -485,9 +486,6 @@ int cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode)
                 return -EINVAL;
         }
 
-        if (reg == &mpc8xx_immr->im_cpm.cp_sicr && mode == CPM_CLK_RX)
-                shift += 3;
-
         for (i = 0; i < ARRAY_SIZE(clk_map); i++) {
                 if (clk_map[i][0] == target && clk_map[i][1] == clock) {
                         bits = clk_map[i][2];
@@ -502,6 +500,17 @@ int cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode)
 
         bits <<= shift;
         mask <<= shift;
+
+        if (reg == &mpc8xx_immr->im_cpm.cp_sicr) {
+                if (mode == CPM_CLK_RTX) {
+                        bits |= bits << 3;
+                        mask |= mask << 3;
+                } else if (mode == CPM_CLK_RX) {
+                        bits <<= 3;
+                        mask <<= 3;
+                }
+        }
+
         out_be32(reg, (in_be32(reg) & ~mask) | bits);
 
         return 0;
diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index eb5927212fab..8dc1e24f3c23 100644
--- a/arch/powerpc/sysdev/cpm2.c
+++ b/arch/powerpc/sysdev/cpm2.c
@@ -244,9 +244,6 @@ int cpm2_clk_setup(enum cpm_clk_target target, int clock, int mode)
                 return -EINVAL;
         }
 
-        if (mode == CPM_CLK_RX)
-                shift += 3;
-
         for (i = 0; i < ARRAY_SIZE(clk_map); i++) {
                 if (clk_map[i][0] == target && clk_map[i][1] == clock) {
                         bits = clk_map[i][2];
@@ -259,6 +256,14 @@ int cpm2_clk_setup(enum cpm_clk_target target, int clock, int mode)
         bits <<= shift;
         mask <<= shift;
 
+        if (mode == CPM_CLK_RTX) {
+                bits |= bits << 3;
+                mask |= mask << 3;
+        } else if (mode == CPM_CLK_RX) {
+                bits <<= 3;
+                mask <<= 3;
+        }
+
         out_be32(reg, (in_be32(reg) & ~mask) | bits);
 
         cpm2_unmap(im_cpmux);
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index 78f1f7cca0a0..fcea4ff825dd 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -115,11 +115,13 @@ static void cpm2_ack(unsigned int virq)
 
 static void cpm2_end_irq(unsigned int virq)
 {
+        struct irq_desc *desc;
         int     bit, word;
         unsigned int irq_nr = virq_to_hw(virq);
 
-        if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))
-                        && irq_desc[irq_nr].action) {
+        desc = irq_to_desc(irq_nr);
+        if (!(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS))
+                        && desc->action) {
 
                 bit = irq_to_siubit[irq_nr];
                 word = irq_to_siureg[irq_nr];
@@ -138,16 +140,26 @@ static void cpm2_end_irq(unsigned int virq)
 static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type)
 {
         unsigned int src = virq_to_hw(virq);
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
         unsigned int vold, vnew, edibit;
 
-        if (flow_type == IRQ_TYPE_NONE)
-                flow_type = IRQ_TYPE_LEVEL_LOW;
-
-        if (flow_type & IRQ_TYPE_EDGE_RISING) {
-                printk(KERN_ERR "CPM2 PIC: sense type 0x%x not supported\n",
-                        flow_type);
-                return -EINVAL;
+        /* Port C interrupts are either IRQ_TYPE_EDGE_FALLING or
+         * IRQ_TYPE_EDGE_BOTH (default).  All others are IRQ_TYPE_EDGE_FALLING
+         * or IRQ_TYPE_LEVEL_LOW (default)
+         */
+        if (src >= CPM2_IRQ_PORTC15 && src <= CPM2_IRQ_PORTC0) {
+                if (flow_type == IRQ_TYPE_NONE)
+                        flow_type = IRQ_TYPE_EDGE_BOTH;
+
+                if (flow_type != IRQ_TYPE_EDGE_BOTH &&
+                    flow_type != IRQ_TYPE_EDGE_FALLING)
+                        goto err_sense;
+        } else {
+                if (flow_type == IRQ_TYPE_NONE)
+                        flow_type = IRQ_TYPE_LEVEL_LOW;
+
+                if (flow_type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_LEVEL_HIGH))
+                        goto err_sense;
         }
 
         desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
@@ -179,10 +191,14 @@ static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type)
         if (vold != vnew)
                 out_be32(&cpm2_intctl->ic_siexr, vnew);
         return 0;
+
+err_sense:
+        pr_err("CPM2 PIC: sense type 0x%x not supported\n", flow_type);
+        return -EINVAL;
 }
 
 static struct irq_chip cpm2_pic = {
-        .typename = " CPM2 SIU ",
+        .name = "CPM2 SIU",
         .mask = cpm2_mask_irq,
         .unmask = cpm2_unmask_irq,
         .ack = cpm2_ack,
@@ -210,13 +226,13 @@ static int cpm2_pic_host_map(struct irq_host *h, unsigned int virq,
 {
         pr_debug("cpm2_pic_host_map(%d, 0x%lx)\n", virq, hw);
 
-        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        irq_to_desc(virq)->status |= IRQ_LEVEL;
         set_irq_chip_and_handler(virq, &cpm2_pic, handle_level_irq);
         return 0;
 }
 
 static int cpm2_pic_host_xlate(struct irq_host *h, struct device_node *ct,
-                            u32 *intspec, unsigned int intsize,
+                            const u32 *intspec, unsigned int intsize,
                             irq_hw_number_t *out_hwirq, unsigned int *out_flags)
 {
         *out_hwirq = intspec[0];
diff --git a/arch/powerpc/sysdev/cpm2_pic.h b/arch/powerpc/sysdev/cpm2_pic.h
index 30e5828a2781..2c5f70c24485 100644
--- a/arch/powerpc/sysdev/cpm2_pic.h
+++ b/arch/powerpc/sysdev/cpm2_pic.h
@@ -3,6 +3,6 @@
 
 extern unsigned int cpm2_get_irq(void);
 
-extern void cpm2_pic_init(struct device_node*);
+extern void cpm2_pic_init(struct device_node *);
 
 #endif /* _PPC_KERNEL_CPM2_H */
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index e4b6d66d93de..88b9812c854f 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -21,6 +21,7 @@
 #include <linux/of_device.h>
 #include <linux/spinlock.h>
 #include <linux/of.h>
+#include <linux/slab.h>
 
 #include <asm/udbg.h>
 #include <asm/io.h>
@@ -72,7 +73,7 @@ static phys_addr_t muram_pbase;
 /* Max address size we deal with */
 #define OF_MAX_ADDR_CELLS       4
 
-int __init cpm_muram_init(void)
+int cpm_muram_init(void)
 {
         struct device_node *np;
         struct resource r;
@@ -81,6 +82,9 @@ int __init cpm_muram_init(void)
         int i = 0;
         int ret = 0;
 
+        if (muram_pbase)
+                return 0;
+
         spin_lock_init(&cpm_muram_lock);
         /* initialize the info header */
         rh_init(&cpm_muram_info, 1,
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index ae3c4db86fe8..c8b96ed7c015 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -29,7 +29,6 @@
 
 #include <linux/init.h>
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/mm.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
@@ -38,6 +37,7 @@
 #include <linux/vmalloc.h>
 #include <linux/suspend.h>
 #include <linux/lmb.h>
+#include <linux/gfp.h>
 #include <asm/io.h>
 #include <asm/prom.h>
 #include <asm/iommu.h>
@@ -160,7 +160,7 @@ static int dart_build(struct iommu_table *tbl, long index,
 
         dp = ((unsigned int*)tbl->it_base) + index;
 
-        /* On U3, all memory is contigous, so we can move this
+        /* On U3, all memory is contiguous, so we can move this
          * out of the loop.
          */
         l = npages;
diff --git a/arch/powerpc/sysdev/fsl_gtm.c b/arch/powerpc/sysdev/fsl_gtm.c
index 714ec02fed2e..eca4545dd52e 100644
--- a/arch/powerpc/sysdev/fsl_gtm.c
+++ b/arch/powerpc/sysdev/fsl_gtm.c
@@ -20,6 +20,7 @@
 #include <linux/of.h>
 #include <linux/spinlock.h>
 #include <linux/bitops.h>
+#include <linux/slab.h>
 #include <asm/fsl_gtm.h>
 
 #define GTCFR_STP(x)            ((x) & 1 ? 1 << 5 : 1 << 1)
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index da38a1ff97bb..3482e3fd89c0 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -16,6 +16,7 @@
 #include <linux/bootmem.h>
 #include <linux/msi.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
 #include <linux/of_platform.h>
 #include <sysdev/fsl_soc.h>
 #include <asm/prom.h>
@@ -47,7 +48,7 @@ static struct irq_chip fsl_msi_chip = {
         .mask           = mask_msi_irq,
         .unmask         = unmask_msi_irq,
         .ack            = fsl_msi_end_irq,
-        .typename       = " FSL-MSI  ",
+        .name           = "FSL-MSI",
 };
 
 static int fsl_msi_host_map(struct irq_host *h, unsigned int virq,
@@ -55,7 +56,7 @@ static int fsl_msi_host_map(struct irq_host *h, unsigned int virq,
 {
         struct irq_chip *chip = &fsl_msi_chip;
 
-        get_irq_desc(virq)->status |= IRQ_TYPE_EDGE_FALLING;
+        irq_to_desc(virq)->status |= IRQ_TYPE_EDGE_FALLING;
 
         set_irq_chip_and_handler(virq, chip, handle_edge_irq);
 
@@ -173,7 +174,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
         u32 intr_index;
         u32 have_shift = 0;
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         if ((msi_data->feature &  FSL_PIC_IP_MASK) == FSL_PIC_IP_IPIC) {
                 if (desc->chip->mask_ack)
                         desc->chip->mask_ack(irq);
@@ -225,7 +226,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
                 break;
         }
 unlock:
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 }
 
 static int __devinit fsl_of_msi_probe(struct of_device *dev,
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index ae88b1448018..a14760fe513a 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -25,6 +25,7 @@
 #include <linux/bootmem.h>
 #include <linux/lmb.h>
 #include <linux/log2.h>
+#include <linux/slab.h>
 
 #include <asm/io.h>
 #include <asm/prom.h>
@@ -56,7 +57,7 @@ static int __init fsl_pcie_check_link(struct pci_controller *hose)
         return 0;
 }
 
-#if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
+#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
 static int __init setup_one_atmu(struct ccsr_pci __iomem *pci,
         unsigned int index, const struct resource *res,
         resource_size_t offset)
@@ -392,9 +393,23 @@ DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8536, quirk_fsl_pcie_header);
 DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641, quirk_fsl_pcie_header);
 DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641D, quirk_fsl_pcie_header);
 DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8610, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1011E, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1011, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1013E, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1013, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1020E, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1020, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1022E, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P1022, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010E, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2010, quirk_fsl_pcie_header);
 DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020E, quirk_fsl_pcie_header);
 DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P2020, quirk_fsl_pcie_header);
-#endif /* CONFIG_PPC_85xx || CONFIG_PPC_86xx */
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040E, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4040, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080E, quirk_fsl_pcie_header);
+DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_P4080, quirk_fsl_pcie_header);
+#endif /* CONFIG_FSL_SOC_BOOKE || CONFIG_PPC_86xx */
 
 #if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x)
 DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8314E, quirk_fsl_pcie_header);
@@ -450,8 +465,7 @@ static void __iomem *mpc83xx_pcie_remap_cfg(struct pci_bus *bus,
 {
         struct pci_controller *hose = pci_bus_to_host(bus);
         struct mpc83xx_pcie_priv *pcie = hose->dn->data;
-        u8 bus_no = bus->number - hose->first_busno;
-        u32 dev_base = bus_no << 24 | devfn << 16;
+        u32 dev_base = bus->number << 24 | devfn << 16;
         int ret;
 
         ret = mpc83xx_pcie_exclude_device(bus, devfn);
@@ -501,12 +515,17 @@ static int mpc83xx_pcie_read_config(struct pci_bus *bus, unsigned int devfn,
 static int mpc83xx_pcie_write_config(struct pci_bus *bus, unsigned int devfn,
                                      int offset, int len, u32 val)
 {
+        struct pci_controller *hose = pci_bus_to_host(bus);
         void __iomem *cfg_addr;
 
         cfg_addr = mpc83xx_pcie_remap_cfg(bus, devfn, offset);
         if (!cfg_addr)
                 return PCIBIOS_DEVICE_NOT_FOUND;
 
+        /* PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS */
+        if (offset == PCI_PRIMARY_BUS && bus->number == hose->first_busno)
+                val &= 0xffffff00;
+
         switch (len) {
         case 1:
                 out_8(cfg_addr, val);
diff --git a/arch/powerpc/sysdev/fsl_pmc.c b/arch/powerpc/sysdev/fsl_pmc.c
new file mode 100644
index 000000000000..a7635a993dca
--- /dev/null
+++ b/arch/powerpc/sysdev/fsl_pmc.c
@@ -0,0 +1,88 @@
+/*
+ * Suspend/resume support
+ *
+ * Copyright 2009  MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * 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/types.h>
+#include <linux/errno.h>
+#include <linux/suspend.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/of_platform.h>
+
+struct pmc_regs {
+        __be32 devdisr;
+        __be32 devdisr2;
+        __be32 :32;
+        __be32 :32;
+        __be32 pmcsr;
+#define PMCSR_SLP       (1 << 17)
+};
+
+static struct device *pmc_dev;
+static struct pmc_regs __iomem *pmc_regs;
+
+static int pmc_suspend_enter(suspend_state_t state)
+{
+        int ret;
+
+        setbits32(&pmc_regs->pmcsr, PMCSR_SLP);
+        /* At this point, the CPU is asleep. */
+
+        /* Upon resume, wait for SLP bit to be clear. */
+        ret = spin_event_timeout((in_be32(&pmc_regs->pmcsr) & PMCSR_SLP) == 0,
+                                 10000, 10) ? 0 : -ETIMEDOUT;
+        if (ret)
+                dev_err(pmc_dev, "tired waiting for SLP bit to clear\n");
+        return ret;
+}
+
+static int pmc_suspend_valid(suspend_state_t state)
+{
+        if (state != PM_SUSPEND_STANDBY)
+                return 0;
+        return 1;
+}
+
+static struct platform_suspend_ops pmc_suspend_ops = {
+        .valid = pmc_suspend_valid,
+        .enter = pmc_suspend_enter,
+};
+
+static int pmc_probe(struct of_device *ofdev, const struct of_device_id *id)
+{
+        pmc_regs = of_iomap(ofdev->node, 0);
+        if (!pmc_regs)
+                return -ENOMEM;
+
+        pmc_dev = &ofdev->dev;
+        suspend_set_ops(&pmc_suspend_ops);
+        return 0;
+}
+
+static const struct of_device_id pmc_ids[] = {
+        { .compatible = "fsl,mpc8548-pmc", },
+        { .compatible = "fsl,mpc8641d-pmc", },
+        { },
+};
+
+static struct of_platform_driver pmc_driver = {
+        .driver.name = "fsl-pmc",
+        .match_table = pmc_ids,
+        .probe = pmc_probe,
+};
+
+static int __init pmc_init(void)
+{
+        return of_register_platform_driver(&pmc_driver);
+}
+device_initcall(pmc_init);
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 757a83fe5e59..71fba88f50db 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -23,6 +23,7 @@
 #include <linux/rio_drv.h>
 #include <linux/of_platform.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 
 #include <asm/io.h>
 
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index adca4affcf1f..b91f7acdda6f 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -372,7 +372,7 @@ err:
 
 arch_initcall(fsl_usb_of_init);
 
-#if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
+#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
 static __be32 __iomem *rstcr;
 
 static int __init setup_rstcr(void)
diff --git a/arch/powerpc/sysdev/grackle.c b/arch/powerpc/sysdev/grackle.c
index 5da37c2f22ee..cf27df6e508b 100644
--- a/arch/powerpc/sysdev/grackle.c
+++ b/arch/powerpc/sysdev/grackle.c
@@ -56,9 +56,9 @@ static inline void grackle_set_loop_snoop(struct pci_controller *bp, int enable)
 void __init setup_grackle(struct pci_controller *hose)
 {
         setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0);
-        if (machine_is_compatible("PowerMac1,1"))
+        if (of_machine_is_compatible("PowerMac1,1"))
                 ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS);
-        if (machine_is_compatible("AAPL,PowerBook1998"))
+        if (of_machine_is_compatible("AAPL,PowerBook1998"))
                 grackle_set_loop_snoop(hose, 1);
 #if 0   /* Disabled for now, HW problems ??? */
         grackle_set_stg(hose, 1);
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index a96584ab33dd..6323e70e6bf4 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -23,7 +23,7 @@ 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 DEFINE_RAW_SPINLOCK(i8259_lock);
 
 static struct irq_host *i8259_host;
 
@@ -42,7 +42,7 @@ unsigned int i8259_irq(void)
         if (pci_intack)
                 irq = readb(pci_intack);
         else {
-                spin_lock(&i8259_lock);
+                raw_spin_lock(&i8259_lock);
                 lock = 1;
 
                 /* Perform an interrupt acknowledge cycle on controller 1. */
@@ -74,7 +74,7 @@ unsigned int i8259_irq(void)
                 irq = NO_IRQ;
 
         if (lock)
-                spin_unlock(&i8259_lock);
+                raw_spin_unlock(&i8259_lock);
         return irq;
 }
 
@@ -82,7 +82,7 @@ static void i8259_mask_and_ack_irq(unsigned int irq_nr)
 {
         unsigned long flags;
 
-        spin_lock_irqsave(&i8259_lock, flags);
+        raw_spin_lock_irqsave(&i8259_lock, flags);
         if (irq_nr > 7) {
                 cached_A1 |= 1 << (irq_nr-8);
                 inb(0xA1);      /* DUMMY */
@@ -95,7 +95,7 @@ static void i8259_mask_and_ack_irq(unsigned int irq_nr)
                 outb(cached_21, 0x21);
                 outb(0x20, 0x20);       /* Non-specific EOI */
         }
-        spin_unlock_irqrestore(&i8259_lock, flags);
+        raw_spin_unlock_irqrestore(&i8259_lock, flags);
 }
 
 static void i8259_set_irq_mask(int irq_nr)
@@ -110,13 +110,13 @@ static void i8259_mask_irq(unsigned int irq_nr)
 
         pr_debug("i8259_mask_irq(%d)\n", irq_nr);
 
-        spin_lock_irqsave(&i8259_lock, flags);
+        raw_spin_lock_irqsave(&i8259_lock, flags);
         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);
+        raw_spin_unlock_irqrestore(&i8259_lock, flags);
 }
 
 static void i8259_unmask_irq(unsigned int irq_nr)
@@ -125,17 +125,17 @@ static void i8259_unmask_irq(unsigned int irq_nr)
 
         pr_debug("i8259_unmask_irq(%d)\n", irq_nr);
 
-        spin_lock_irqsave(&i8259_lock, flags);
+        raw_spin_lock_irqsave(&i8259_lock, flags);
         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);
+        raw_spin_unlock_irqrestore(&i8259_lock, flags);
 }
 
 static struct irq_chip i8259_pic = {
-        .typename       = " i8259    ",
+        .name           = "i8259",
         .mask           = i8259_mask_irq,
         .disable        = i8259_mask_irq,
         .unmask         = i8259_unmask_irq,
@@ -175,12 +175,12 @@ static int i8259_host_map(struct irq_host *h, unsigned int virq,
 
         /* We block the internal cascade */
         if (hw == 2)
-                get_irq_desc(virq)->status |= IRQ_NOREQUEST;
+                irq_to_desc(virq)->status |= IRQ_NOREQUEST;
 
         /* We use the level handler only for now, we might want to
          * be more cautious here but that works for now
          */
-        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        irq_to_desc(virq)->status |= IRQ_LEVEL;
         set_irq_chip_and_handler(virq, &i8259_pic, handle_level_irq);
         return 0;
 }
@@ -198,7 +198,7 @@ static void i8259_host_unmap(struct irq_host *h, unsigned int virq)
 }
 
 static int i8259_host_xlate(struct irq_host *h, struct device_node *ct,
-                            u32 *intspec, unsigned int intsize,
+                            const u32 *intspec, unsigned int intsize,
                             irq_hw_number_t *out_hwirq, unsigned int *out_flags)
 {
         static unsigned char map_isa_senses[4] = {
@@ -241,7 +241,7 @@ void i8259_init(struct device_node *node, unsigned long intack_addr)
         unsigned long flags;
 
         /* initialize the controller */
-        spin_lock_irqsave(&i8259_lock, flags);
+        raw_spin_lock_irqsave(&i8259_lock, flags);
 
         /* Mask all first */
         outb(0xff, 0xA1);
@@ -273,7 +273,7 @@ void i8259_init(struct device_node *node, unsigned long intack_addr)
         outb(cached_A1, 0xA1);
         outb(cached_21, 0x21);
 
-        spin_unlock_irqrestore(&i8259_lock, flags);
+        raw_spin_unlock_irqrestore(&i8259_lock, flags);
 
         /* create a legacy host */
         i8259_host = irq_alloc_host(node, IRQ_HOST_MAP_LEGACY,
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index cb7689c4bfbd..d7b9b9c69287 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -32,7 +32,7 @@
 
 static struct ipic * primary_ipic;
 static struct irq_chip ipic_level_irq_chip, ipic_edge_irq_chip;
-static DEFINE_SPINLOCK(ipic_lock);
+static DEFINE_RAW_SPINLOCK(ipic_lock);
 
 static struct ipic_info ipic_info[] = {
         [1] = {
@@ -530,13 +530,13 @@ static void ipic_unmask_irq(unsigned int virq)
         unsigned long flags;
         u32 temp;
 
-        spin_lock_irqsave(&ipic_lock, flags);
+        raw_spin_lock_irqsave(&ipic_lock, flags);
 
         temp = ipic_read(ipic->regs, ipic_info[src].mask);
         temp |= (1 << (31 - ipic_info[src].bit));
         ipic_write(ipic->regs, ipic_info[src].mask, temp);
 
-        spin_unlock_irqrestore(&ipic_lock, flags);
+        raw_spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
 static void ipic_mask_irq(unsigned int virq)
@@ -546,7 +546,7 @@ static void ipic_mask_irq(unsigned int virq)
         unsigned long flags;
         u32 temp;
 
-        spin_lock_irqsave(&ipic_lock, flags);
+        raw_spin_lock_irqsave(&ipic_lock, flags);
 
         temp = ipic_read(ipic->regs, ipic_info[src].mask);
         temp &= ~(1 << (31 - ipic_info[src].bit));
@@ -556,7 +556,7 @@ static void ipic_mask_irq(unsigned int virq)
          * for nearly all cases. */
         mb();
 
-        spin_unlock_irqrestore(&ipic_lock, flags);
+        raw_spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
 static void ipic_ack_irq(unsigned int virq)
@@ -566,7 +566,7 @@ static void ipic_ack_irq(unsigned int virq)
         unsigned long flags;
         u32 temp;
 
-        spin_lock_irqsave(&ipic_lock, flags);
+        raw_spin_lock_irqsave(&ipic_lock, flags);
 
         temp = 1 << (31 - ipic_info[src].bit);
         ipic_write(ipic->regs, ipic_info[src].ack, temp);
@@ -575,7 +575,7 @@ static void ipic_ack_irq(unsigned int virq)
          * for nearly all cases. */
         mb();
 
-        spin_unlock_irqrestore(&ipic_lock, flags);
+        raw_spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
 static void ipic_mask_irq_and_ack(unsigned int virq)
@@ -585,7 +585,7 @@ static void ipic_mask_irq_and_ack(unsigned int virq)
         unsigned long flags;
         u32 temp;
 
-        spin_lock_irqsave(&ipic_lock, flags);
+        raw_spin_lock_irqsave(&ipic_lock, flags);
 
         temp = ipic_read(ipic->regs, ipic_info[src].mask);
         temp &= ~(1 << (31 - ipic_info[src].bit));
@@ -598,14 +598,14 @@ static void ipic_mask_irq_and_ack(unsigned int virq)
          * for nearly all cases. */
         mb();
 
-        spin_unlock_irqrestore(&ipic_lock, flags);
+        raw_spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
 static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type)
 {
         struct ipic *ipic = ipic_from_irq(virq);
         unsigned int src = ipic_irq_to_hw(virq);
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
         unsigned int vold, vnew, edibit;
 
         if (flow_type == IRQ_TYPE_NONE)
@@ -660,7 +660,7 @@ static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type)
 
 /* level interrupts and edge interrupts have different ack operations */
 static struct irq_chip ipic_level_irq_chip = {
-        .typename       = " IPIC  ",
+        .name           = "IPIC",
         .unmask         = ipic_unmask_irq,
         .mask           = ipic_mask_irq,
         .mask_ack       = ipic_mask_irq,
@@ -668,7 +668,7 @@ static struct irq_chip ipic_level_irq_chip = {
 };
 
 static struct irq_chip ipic_edge_irq_chip = {
-        .typename       = " IPIC  ",
+        .name           = "IPIC",
         .unmask         = ipic_unmask_irq,
         .mask           = ipic_mask_irq,
         .mask_ack       = ipic_mask_irq_and_ack,
@@ -697,7 +697,7 @@ static int ipic_host_map(struct irq_host *h, unsigned int virq,
 }
 
 static int ipic_host_xlate(struct irq_host *h, struct device_node *ct,
-                           u32 *intspec, unsigned int intsize,
+                           const u32 *intspec, unsigned int intsize,
                            irq_hw_number_t *out_hwirq, unsigned int *out_flags)
 
 {
diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c
index 5d2d5522ef41..8c27d261aba8 100644
--- a/arch/powerpc/sysdev/mpc8xx_pic.c
+++ b/arch/powerpc/sysdev/mpc8xx_pic.c
@@ -72,7 +72,7 @@ static void mpc8xx_end_irq(unsigned int virq)
 
 static int mpc8xx_set_irq_type(unsigned int virq, unsigned int flow_type)
 {
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
 
         desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
         desc->status |= flow_type & IRQ_TYPE_SENSE_MASK;
@@ -94,7 +94,7 @@ static int mpc8xx_set_irq_type(unsigned int virq, unsigned int flow_type)
 }
 
 static struct irq_chip mpc8xx_pic = {
-        .typename = " MPC8XX SIU ",
+        .name = "MPC8XX SIU",
         .unmask = mpc8xx_unmask_irq,
         .mask = mpc8xx_mask_irq,
         .ack = mpc8xx_ack,
@@ -130,7 +130,7 @@ static int mpc8xx_pic_host_map(struct irq_host *h, unsigned int virq,
 
 
 static int mpc8xx_pic_host_xlate(struct irq_host *h, struct device_node *ct,
-                            u32 *intspec, unsigned int intsize,
+                            const u32 *intspec, unsigned int intsize,
                             irq_hw_number_t *out_hwirq, unsigned int *out_flags)
 {
         static unsigned char map_pic_senses[4] = {
diff --git a/arch/powerpc/sysdev/mpc8xxx_gpio.c b/arch/powerpc/sysdev/mpc8xxx_gpio.c
index 103eace36194..6478eb10691a 100644
--- a/arch/powerpc/sysdev/mpc8xxx_gpio.c
+++ b/arch/powerpc/sysdev/mpc8xxx_gpio.c
@@ -15,6 +15,7 @@
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 #include <linux/gpio.h>
+#include <linux/slab.h>
 
 #define MPC8XXX_GPIO_PINS       32
 
@@ -54,6 +55,22 @@ static void mpc8xxx_gpio_save_regs(struct of_mm_gpio_chip *mm)
         mpc8xxx_gc->data = in_be32(mm->regs + GPIO_DAT);
 }
 
+/* Workaround GPIO 1 errata on MPC8572/MPC8536. The status of GPIOs
+ * defined as output cannot be determined by reading GPDAT register,
+ * so we use shadow data register instead. The status of input pins
+ * is determined by reading GPDAT register.
+ */
+static int mpc8572_gpio_get(struct gpio_chip *gc, unsigned int gpio)
+{
+        u32 val;
+        struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
+        struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm);
+
+        val = in_be32(mm->regs + GPIO_DAT) & ~in_be32(mm->regs + GPIO_DIR);
+
+        return (val | mpc8xxx_gc->data) & mpc8xxx_gpio2mask(gpio);
+}
+
 static int mpc8xxx_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 {
         struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
@@ -136,7 +153,10 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
         gc->ngpio = MPC8XXX_GPIO_PINS;
         gc->direction_input = mpc8xxx_gpio_dir_in;
         gc->direction_output = mpc8xxx_gpio_dir_out;
-        gc->get = mpc8xxx_gpio_get;
+        if (of_device_is_compatible(np, "fsl,mpc8572-gpio"))
+                gc->get = mpc8572_gpio_get;
+        else
+                gc->get = mpc8xxx_gpio_get;
         gc->set = mpc8xxx_gpio_set;
 
         ret = of_mm_gpiochip_add(np, mm_gc);
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 30c44e6b0413..260295b10557 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -26,6 +26,7 @@
 #include <linux/bootmem.h>
 #include <linux/spinlock.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
 
 #include <asm/ptrace.h>
 #include <asm/signal.h>
@@ -46,7 +47,7 @@
 
 static struct mpic *mpics;
 static struct mpic *mpic_primary;
-static DEFINE_SPINLOCK(mpic_lock);
+static DEFINE_RAW_SPINLOCK(mpic_lock);
 
 #ifdef CONFIG_PPC32     /* XXX for now */
 #ifdef CONFIG_IRQ_ALL_CPUS
@@ -347,10 +348,10 @@ static inline void mpic_ht_end_irq(struct mpic *mpic, unsigned int source)
                 unsigned int mask = 1U << (fixup->index & 0x1f);
                 writel(mask, fixup->applebase + soff);
         } else {
-                spin_lock(&mpic->fixup_lock);
+                raw_spin_lock(&mpic->fixup_lock);
                 writeb(0x11 + 2 * fixup->index, fixup->base + 2);
                 writel(fixup->data, fixup->base + 4);
-                spin_unlock(&mpic->fixup_lock);
+                raw_spin_unlock(&mpic->fixup_lock);
         }
 }
 
@@ -366,7 +367,7 @@ static void mpic_startup_ht_interrupt(struct mpic *mpic, unsigned int source,
 
         DBG("startup_ht_interrupt(0x%x, 0x%x) index: %d\n",
             source, irqflags, fixup->index);
-        spin_lock_irqsave(&mpic->fixup_lock, flags);
+        raw_spin_lock_irqsave(&mpic->fixup_lock, flags);
         /* Enable and configure */
         writeb(0x10 + 2 * fixup->index, fixup->base + 2);
         tmp = readl(fixup->base + 4);
@@ -374,7 +375,7 @@ static void mpic_startup_ht_interrupt(struct mpic *mpic, unsigned int source,
         if (irqflags & IRQ_LEVEL)
                 tmp |= 0x22;
         writel(tmp, fixup->base + 4);
-        spin_unlock_irqrestore(&mpic->fixup_lock, flags);
+        raw_spin_unlock_irqrestore(&mpic->fixup_lock, flags);
 
 #ifdef CONFIG_PM
         /* use the lowest bit inverted to the actual HW,
@@ -396,12 +397,12 @@ static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source,
         DBG("shutdown_ht_interrupt(0x%x, 0x%x)\n", source, irqflags);
 
         /* Disable */
-        spin_lock_irqsave(&mpic->fixup_lock, flags);
+        raw_spin_lock_irqsave(&mpic->fixup_lock, flags);
         writeb(0x10 + 2 * fixup->index, fixup->base + 2);
         tmp = readl(fixup->base + 4);
         tmp |= 1;
         writel(tmp, fixup->base + 4);
-        spin_unlock_irqrestore(&mpic->fixup_lock, flags);
+        raw_spin_unlock_irqrestore(&mpic->fixup_lock, flags);
 
 #ifdef CONFIG_PM
         /* use the lowest bit inverted to the actual HW,
@@ -515,7 +516,7 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic)
         BUG_ON(mpic->fixups == NULL);
 
         /* Init spinlock */
-        spin_lock_init(&mpic->fixup_lock);
+        raw_spin_lock_init(&mpic->fixup_lock);
 
         /* Map U3 config space. We assume all IO-APICs are on the primary bus
          * so we only need to map 64kB.
@@ -567,20 +568,18 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic)
 #endif /* CONFIG_MPIC_U3_HT_IRQS */
 
 #ifdef CONFIG_SMP
-static int irq_choose_cpu(unsigned int virt_irq)
+static int irq_choose_cpu(const cpumask_t *mask)
 {
-        cpumask_t mask;
         int cpuid;
 
-        cpumask_copy(&mask, irq_desc[virt_irq].affinity);
-        if (cpus_equal(mask, CPU_MASK_ALL)) {
+        if (cpumask_equal(mask, cpu_all_mask)) {
                 static int irq_rover;
-                static DEFINE_SPINLOCK(irq_rover_lock);
+                static DEFINE_RAW_SPINLOCK(irq_rover_lock);
                 unsigned long flags;
 
                 /* Round-robin distribution... */
         do_round_robin:
-                spin_lock_irqsave(&irq_rover_lock, flags);
+                raw_spin_lock_irqsave(&irq_rover_lock, flags);
 
                 while (!cpu_online(irq_rover)) {
                         if (++irq_rover >= NR_CPUS)
@@ -592,22 +591,17 @@ static int irq_choose_cpu(unsigned int virt_irq)
                                 irq_rover = 0;
                 } while (!cpu_online(irq_rover));
 
-                spin_unlock_irqrestore(&irq_rover_lock, flags);
+                raw_spin_unlock_irqrestore(&irq_rover_lock, flags);
         } else {
-                cpumask_t tmp;
-
-                cpus_and(tmp, cpu_online_map, mask);
-
-                if (cpus_empty(tmp))
+                cpuid = cpumask_first_and(mask, cpu_online_mask);
+                if (cpuid >= nr_cpu_ids)
                         goto do_round_robin;
-
-                cpuid = first_cpu(tmp);
         }
 
         return get_hard_smp_processor_id(cpuid);
 }
 #else
-static int irq_choose_cpu(unsigned int virt_irq)
+static int irq_choose_cpu(const cpumask_t *mask)
 {
         return hard_smp_processor_id();
 }
@@ -621,7 +615,7 @@ static struct mpic *mpic_find(unsigned int irq)
         if (irq < NUM_ISA_INTERRUPTS)
                 return NULL;
 
-        return irq_desc[irq].chip_data;
+        return irq_to_desc(irq)->chip_data;
 }
 
 /* Determine if the linux irq is an IPI */
@@ -648,14 +642,14 @@ 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 irq_desc[ipi].chip_data;
+        return irq_to_desc(ipi)->chip_data;
 }
 #endif
 
 /* Get the mpic structure from the irq number */
 static inline struct mpic * mpic_from_irq(unsigned int irq)
 {
-        return irq_desc[irq].chip_data;
+        return irq_to_desc(irq)->chip_data;
 }
 
 /* Send an EOI */
@@ -735,7 +729,7 @@ static void mpic_unmask_ht_irq(unsigned int irq)
 
         mpic_unmask_irq(irq);
 
-        if (irq_desc[irq].status & IRQ_LEVEL)
+        if (irq_to_desc(irq)->status & IRQ_LEVEL)
                 mpic_ht_end_irq(mpic, src);
 }
 
@@ -745,7 +739,7 @@ static unsigned int mpic_startup_ht_irq(unsigned int irq)
         unsigned int src = mpic_irq_to_hw(irq);
 
         mpic_unmask_irq(irq);
-        mpic_startup_ht_interrupt(mpic, src, irq_desc[irq].status);
+        mpic_startup_ht_interrupt(mpic, src, irq_to_desc(irq)->status);
 
         return 0;
 }
@@ -755,7 +749,7 @@ 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_shutdown_ht_interrupt(mpic, src, irq_to_desc(irq)->status);
         mpic_mask_irq(irq);
 }
 
@@ -772,7 +766,7 @@ static void mpic_end_ht_irq(unsigned int irq)
          * latched another edge interrupt coming in anyway
          */
 
-        if (irq_desc[irq].status & IRQ_LEVEL)
+        if (irq_to_desc(irq)->status & IRQ_LEVEL)
                 mpic_ht_end_irq(mpic, src);
         mpic_eoi(mpic);
 }
@@ -816,7 +810,7 @@ int mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
         unsigned int src = mpic_irq_to_hw(irq);
 
         if (mpic->flags & MPIC_SINGLE_DEST_CPU) {
-                int cpuid = irq_choose_cpu(irq);
+                int cpuid = irq_choose_cpu(cpumask);
 
                 mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION), 1 << cpuid);
         } else {
@@ -856,7 +850,7 @@ int mpic_set_irq_type(unsigned int virq, unsigned int flow_type)
 {
         struct mpic *mpic = mpic_from_irq(virq);
         unsigned int src = mpic_irq_to_hw(virq);
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
         unsigned int vecpri, vold, vnew;
 
         DBG("mpic: set_irq_type(mpic:@%p,virq:%d,src:0x%x,type:0x%x)\n",
@@ -994,7 +988,7 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq,
 }
 
 static int mpic_host_xlate(struct irq_host *h, struct device_node *ct,
-                           u32 *intspec, unsigned int intsize,
+                           const u32 *intspec, unsigned int intsize,
                            irq_hw_number_t *out_hwirq, unsigned int *out_flags)
 
 {
@@ -1062,19 +1056,19 @@ struct mpic * __init mpic_alloc(struct device_node *node,
         mpic->name = name;
 
         mpic->hc_irq = mpic_irq_chip;
-        mpic->hc_irq.typename = name;
+        mpic->hc_irq.name = name;
         if (flags & MPIC_PRIMARY)
                 mpic->hc_irq.set_affinity = mpic_set_affinity;
 #ifdef CONFIG_MPIC_U3_HT_IRQS
         mpic->hc_ht_irq = mpic_irq_ht_chip;
-        mpic->hc_ht_irq.typename = name;
+        mpic->hc_ht_irq.name = name;
         if (flags & MPIC_PRIMARY)
                 mpic->hc_ht_irq.set_affinity = mpic_set_affinity;
 #endif /* CONFIG_MPIC_U3_HT_IRQS */
 
 #ifdef CONFIG_SMP
         mpic->hc_ipi = mpic_ipi_chip;
-        mpic->hc_ipi.typename = name;
+        mpic->hc_ipi.name = name;
 #endif /* CONFIG_SMP */
 
         mpic->flags = flags;
@@ -1375,14 +1369,14 @@ void __init mpic_set_serial_int(struct mpic *mpic, int enable)
         unsigned long flags;
         u32 v;
 
-        spin_lock_irqsave(&mpic_lock, flags);
+        raw_spin_lock_irqsave(&mpic_lock, flags);
         v = mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_1);
         if (enable)
                 v |= MPIC_GREG_GLOBAL_CONF_1_SIE;
         else
                 v &= ~MPIC_GREG_GLOBAL_CONF_1_SIE;
         mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_1, v);
-        spin_unlock_irqrestore(&mpic_lock, flags);
+        raw_spin_unlock_irqrestore(&mpic_lock, flags);
 }
 
 void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
@@ -1395,7 +1389,7 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
         if (!mpic)
                 return;
 
-        spin_lock_irqsave(&mpic_lock, flags);
+        raw_spin_lock_irqsave(&mpic_lock, flags);
         if (mpic_is_ipi(mpic, irq)) {
                 reg = mpic_ipi_read(src - mpic->ipi_vecs[0]) &
                         ~MPIC_VECPRI_PRIORITY_MASK;
@@ -1407,7 +1401,7 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
                 mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
                                reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
         }
-        spin_unlock_irqrestore(&mpic_lock, flags);
+        raw_spin_unlock_irqrestore(&mpic_lock, flags);
 }
 
 void mpic_setup_this_cpu(void)
@@ -1422,7 +1416,7 @@ void mpic_setup_this_cpu(void)
 
         DBG("%s: setup_this_cpu(%d)\n", mpic->name, hard_smp_processor_id());
 
-        spin_lock_irqsave(&mpic_lock, flags);
+        raw_spin_lock_irqsave(&mpic_lock, flags);
 
         /* let the mpic know we want intrs. default affinity is 0xffffffff
          * until changed via /proc. That's how it's done on x86. If we want
@@ -1438,7 +1432,7 @@ void mpic_setup_this_cpu(void)
         /* Set current processor priority to 0 */
         mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
 
-        spin_unlock_irqrestore(&mpic_lock, flags);
+        raw_spin_unlock_irqrestore(&mpic_lock, flags);
 #endif /* CONFIG_SMP */
 }
 
@@ -1467,7 +1461,7 @@ void mpic_teardown_this_cpu(int secondary)
         BUG_ON(mpic == NULL);
 
         DBG("%s: teardown_this_cpu(%d)\n", mpic->name, hard_smp_processor_id());
-        spin_lock_irqsave(&mpic_lock, flags);
+        raw_spin_lock_irqsave(&mpic_lock, flags);
 
         /* let the mpic know we don't want intrs.  */
         for (i = 0; i < mpic->num_sources ; i++)
@@ -1481,7 +1475,7 @@ void mpic_teardown_this_cpu(int secondary)
          */
         mpic_eoi(mpic);
 
-        spin_unlock_irqrestore(&mpic_lock, flags);
+        raw_spin_unlock_irqrestore(&mpic_lock, flags);
 }
 
 
@@ -1582,7 +1576,7 @@ void mpic_request_ipis(void)
         int i;
         BUG_ON(mpic == NULL);
 
-        printk(KERN_INFO "mpic: requesting IPIs ... \n");
+        printk(KERN_INFO "mpic: requesting IPIs...\n");
 
         for (i = 0; i < 4; i++) {
                 unsigned int vipi = irq_create_mapping(mpic->irqhost,
diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c
index 1d44eee80fa1..0f67cd79d481 100644
--- a/arch/powerpc/sysdev/mpic_msi.c
+++ b/arch/powerpc/sysdev/mpic_msi.c
@@ -39,7 +39,12 @@ static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic)
 
         pr_debug("mpic: found U3, guessing msi allocator setup\n");
 
-        /* Reserve source numbers we know are reserved in the HW */
+        /* Reserve source numbers we know are reserved in the HW.
+         *
+         * This is a bit of a mix of U3 and U4 reserves but that's going
+         * to work fine, we have plenty enugh numbers left so let's just
+         * mark anything we don't like reserved.
+         */
         for (i = 0;   i < 8;   i++)
                 msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i);
 
@@ -49,6 +54,10 @@ static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic)
         for (i = 100; i < 105; i++)
                 msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i);
 
+        for (i = 124; i < mpic->irq_count; i++)
+                msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i);
+
+
         np = NULL;
         while ((np = of_find_all_nodes(np))) {
                 pr_debug("mpic: mapping hwirqs for %s\n", np->full_name);
diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c
index 656cb772b691..3b6a9a43718f 100644
--- a/arch/powerpc/sysdev/mpic_pasemi_msi.c
+++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c
@@ -60,7 +60,7 @@ static struct irq_chip mpic_pasemi_msi_chip = {
         .eoi            = mpic_end_irq,
         .set_type       = mpic_set_irq_type,
         .set_affinity   = mpic_set_affinity,
-        .typename       = "PASEMI-MSI ",
+        .name           = "PASEMI-MSI",
 };
 
 static int pasemi_msi_check_device(struct pci_dev *pdev, int nvec, int type)
diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c
index 0a8f5a9e87c9..bcbfe79c704b 100644
--- a/arch/powerpc/sysdev/mpic_u3msi.c
+++ b/arch/powerpc/sysdev/mpic_u3msi.c
@@ -42,7 +42,7 @@ static struct irq_chip mpic_u3msi_chip = {
         .eoi            = mpic_end_irq,
         .set_type       = mpic_set_irq_type,
         .set_affinity   = mpic_set_affinity,
-        .typename       = "MPIC-U3MSI",
+        .name           = "MPIC-U3MSI",
 };
 
 static u64 read_ht_magic_addr(struct pci_dev *pdev, unsigned int pos)
@@ -64,12 +64,12 @@ static u64 read_ht_magic_addr(struct pci_dev *pdev, unsigned int pos)
         return addr;
 }
 
-static u64 find_ht_magic_addr(struct pci_dev *pdev)
+static u64 find_ht_magic_addr(struct pci_dev *pdev, unsigned int hwirq)
 {
         struct pci_bus *bus;
         unsigned int pos;
 
-        for (bus = pdev->bus; bus; bus = bus->parent) {
+        for (bus = pdev->bus; bus && bus->self; bus = bus->parent) {
                 pos = pci_find_ht_capability(bus->self, HT_CAPTYPE_MSI_MAPPING);
                 if (pos)
                         return read_ht_magic_addr(bus->self, pos);
@@ -78,13 +78,41 @@ static u64 find_ht_magic_addr(struct pci_dev *pdev)
         return 0;
 }
 
+static u64 find_u4_magic_addr(struct pci_dev *pdev, unsigned int hwirq)
+{
+        struct pci_controller *hose = pci_bus_to_host(pdev->bus);
+
+        /* U4 PCIe MSIs need to write to the special register in
+         * the bridge that generates interrupts. There should be
+         * theorically a register at 0xf8005000 where you just write
+         * the MSI number and that triggers the right interrupt, but
+         * unfortunately, this is busted in HW, the bridge endian swaps
+         * the value and hits the wrong nibble in the register.
+         *
+         * So instead we use another register set which is used normally
+         * for converting HT interrupts to MPIC interrupts, which decodes
+         * the interrupt number as part of the low address bits
+         *
+         * This will not work if we ever use more than one legacy MSI in
+         * a block but we never do. For one MSI or multiple MSI-X where
+         * each interrupt address can be specified separately, it works
+         * just fine.
+         */
+        if (of_device_is_compatible(hose->dn, "u4-pcie") ||
+            of_device_is_compatible(hose->dn, "U4-pcie"))
+                return 0xf8004000 | (hwirq << 4);
+
+        return 0;
+}
+
 static int u3msi_msi_check_device(struct pci_dev *pdev, int nvec, int type)
 {
         if (type == PCI_CAP_ID_MSIX)
                 pr_debug("u3msi: MSI-X untested, trying anyway.\n");
 
         /* If we can't find a magic address then MSI ain't gonna work */
-        if (find_ht_magic_addr(pdev) == 0) {
+        if (find_ht_magic_addr(pdev, 0) == 0 &&
+            find_u4_magic_addr(pdev, 0) == 0) {
                 pr_debug("u3msi: no magic address found for %s\n",
                          pci_name(pdev));
                 return -ENXIO;
@@ -118,10 +146,6 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
         u64 addr;
         int hwirq;
 
-        addr = find_ht_magic_addr(pdev);
-        msg.address_lo = addr & 0xFFFFFFFF;
-        msg.address_hi = addr >> 32;
-
         list_for_each_entry(entry, &pdev->msi_list, list) {
                 hwirq = msi_bitmap_alloc_hwirqs(&msi_mpic->msi_bitmap, 1);
                 if (hwirq < 0) {
@@ -129,6 +153,12 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
                         return hwirq;
                 }
 
+                addr = find_ht_magic_addr(pdev, hwirq);
+                if (addr == 0)
+                        addr = find_u4_magic_addr(pdev, hwirq);
+                msg.address_lo = addr & 0xFFFFFFFF;
+                msg.address_hi = addr >> 32;
+
                 virq = irq_create_mapping(msi_mpic->irqhost, hwirq);
                 if (virq == NO_IRQ) {
                         pr_debug("u3msi: failed mapping hwirq 0x%x\n", hwirq);
@@ -143,6 +173,8 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
                 pr_debug("u3msi: allocated virq 0x%x (hw 0x%x) addr 0x%lx\n",
                           virq, hwirq, (unsigned long)addr);
 
+                printk("u3msi: allocated virq 0x%x (hw 0x%x) addr 0x%lx\n",
+                          virq, hwirq, (unsigned long)addr);
                 msg.data = hwirq;
                 write_msi_msg(virq, &msg);
 
diff --git a/arch/powerpc/sysdev/msi_bitmap.c b/arch/powerpc/sysdev/msi_bitmap.c
index 5a32cbef9b6c..5287e95cec3a 100644
--- a/arch/powerpc/sysdev/msi_bitmap.c
+++ b/arch/powerpc/sysdev/msi_bitmap.c
@@ -8,6 +8,7 @@
  *
  */
 
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/bitmap.h>
 #include <asm/msi_bitmap.h>
diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c
index b6bd775d2e22..31acd3b1718b 100644
--- a/arch/powerpc/sysdev/mv64x60_dev.c
+++ b/arch/powerpc/sysdev/mv64x60_dev.c
@@ -16,6 +16,7 @@
 #include <linux/mv643xx.h>
 #include <linux/platform_device.h>
 #include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/prom.h>
 
@@ -189,6 +190,7 @@ static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id)
         pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number);
         if (!pdev)
                 return -ENOMEM;
+        pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 
         err = platform_device_add_resources(pdev, r, 5);
         if (err)
@@ -302,6 +304,7 @@ static int __init mv64x60_eth_device_setup(struct device_node *np, int id,
         if (!pdev)
                 return -ENOMEM;
 
+        pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
         err = platform_device_add_resources(pdev, r, 1);
         if (err)
                 goto error;
diff --git a/arch/powerpc/sysdev/mv64x60_pic.c b/arch/powerpc/sysdev/mv64x60_pic.c
index 2aa4ed066db1..485b92477d7c 100644
--- a/arch/powerpc/sysdev/mv64x60_pic.c
+++ b/arch/powerpc/sysdev/mv64x60_pic.c
@@ -213,7 +213,7 @@ static int mv64x60_host_map(struct irq_host *h, unsigned int virq,
 {
         int level1;
 
-        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        irq_to_desc(virq)->status |= IRQ_LEVEL;
 
         level1 = (hwirq & MV64x60_LEVEL1_MASK) >> MV64x60_LEVEL1_OFFSET;
         BUG_ON(level1 > MV64x60_LEVEL1_GPP);
diff --git a/arch/powerpc/sysdev/of_rtc.c b/arch/powerpc/sysdev/of_rtc.c
index 3d54450640c1..c9e803f3e267 100644
--- a/arch/powerpc/sysdev/of_rtc.c
+++ b/arch/powerpc/sysdev/of_rtc.c
@@ -12,6 +12,7 @@
 #include <linux/of.h>
 #include <linux/init.h>
 #include <linux/of_platform.h>
+#include <linux/slab.h>
 
 static __initdata struct {
         const char *compatible;
diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c
index aaa915998eb6..652652db4ce2 100644
--- a/arch/powerpc/sysdev/pmi.c
+++ b/arch/powerpc/sysdev/pmi.c
@@ -25,6 +25,7 @@
  */
 
 #include <linux/interrupt.h>
+#include <linux/slab.h>
 #include <linux/completion.h>
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
diff --git a/arch/powerpc/sysdev/ppc4xx_gpio.c b/arch/powerpc/sysdev/ppc4xx_gpio.c
index 110efe2a54fc..3812fc366bec 100644
--- a/arch/powerpc/sysdev/ppc4xx_gpio.c
+++ b/arch/powerpc/sysdev/ppc4xx_gpio.c
@@ -29,6 +29,7 @@
 #include <linux/of_gpio.h>
 #include <linux/gpio.h>
 #include <linux/types.h>
+#include <linux/slab.h>
 
 #define GPIO_MASK(gpio)         (0x80000000 >> (gpio))
 #define GPIO_MASK2(gpio)        (0xc0000000 >> ((gpio) * 2))
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 6ff9d71b4c0d..106d767bf65b 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -24,6 +24,7 @@
 #include <linux/of.h>
 #include <linux/bootmem.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 
 #include <asm/io.h>
 #include <asm/pci-bridge.h>
@@ -569,7 +570,8 @@ static void __init ppc4xx_probe_pcix_bridge(struct device_node *np)
         hose->last_busno = bus_range ? bus_range[1] : 0xff;
 
         /* Setup config space */
-        setup_indirect_pci(hose, rsrc_cfg.start, rsrc_cfg.start + 0x4, 0);
+        setup_indirect_pci(hose, rsrc_cfg.start, rsrc_cfg.start + 0x4,
+                                        PPC_INDIRECT_TYPE_SET_CFG_TYPE);
 
         /* Disable all windows */
         writel(0, reg + PCIX0_POM0SA);
diff --git a/arch/powerpc/sysdev/ppc4xx_soc.c b/arch/powerpc/sysdev/ppc4xx_soc.c
index 5b32adc9a9b2..5c014350bf16 100644
--- a/arch/powerpc/sysdev/ppc4xx_soc.c
+++ b/arch/powerpc/sysdev/ppc4xx_soc.c
@@ -174,7 +174,8 @@ static int __init ppc4xx_l2c_probe(void)
                 | L2C_CFG_CPIM | L2C_CFG_TPIM | L2C_CFG_LIM | L2C_CFG_SMCM;
 
         /* Check for 460EX/GT special handling */
-        if (of_device_is_compatible(np, "ibm,l2-cache-460ex"))
+        if (of_device_is_compatible(np, "ibm,l2-cache-460ex") ||
+            of_device_is_compatible(np, "ibm,l2-cache-460gt"))
                 r |= L2C_CFG_RDBW;
 
         mtdcr(dcrbase_l2c + DCRN_L2C0_CFG, r);
diff --git a/arch/powerpc/sysdev/qe_lib/gpio.c b/arch/powerpc/sysdev/qe_lib/gpio.c
index 8e7a7767dd5c..dc8f8d618074 100644
--- a/arch/powerpc/sysdev/qe_lib/gpio.c
+++ b/arch/powerpc/sysdev/qe_lib/gpio.c
@@ -19,6 +19,7 @@
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 #include <linux/gpio.h>
+#include <linux/slab.h>
 #include <asm/qe.h>
 
 struct qe_gpio_chip {
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index 464271bea6c9..149393c02c3f 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -27,6 +27,8 @@
 #include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/crc32.h>
+#include <linux/mod_devicetable.h>
+#include <linux/of_platform.h>
 #include <asm/irq.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
@@ -65,19 +67,6 @@ static unsigned int qe_num_of_snum;
 
 static phys_addr_t qebase = -1;
 
-int qe_alive_during_sleep(void)
-{
-        static int ret = -1;
-
-        if (ret != -1)
-                return ret;
-
-        ret = !of_find_compatible_node(NULL, NULL, "fsl,mpc8569-pmc");
-
-        return ret;
-}
-EXPORT_SYMBOL(qe_alive_during_sleep);
-
 phys_addr_t get_qe_base(void)
 {
         struct device_node *qe;
@@ -104,7 +93,7 @@ phys_addr_t get_qe_base(void)
 
 EXPORT_SYMBOL(get_qe_base);
 
-void __init qe_reset(void)
+void qe_reset(void)
 {
         if (qe_immr == NULL)
                 qe_immr = ioremap(get_qe_base(), QE_IMMAP_SIZE);
@@ -330,16 +319,18 @@ EXPORT_SYMBOL(qe_put_snum);
 static int qe_sdma_init(void)
 {
         struct sdma __iomem *sdma = &qe_immr->sdma;
-        unsigned long sdma_buf_offset;
+        static unsigned long sdma_buf_offset = (unsigned long)-ENOMEM;
 
         if (!sdma)
                 return -ENODEV;
 
         /* allocate 2 internal temporary buffers (512 bytes size each) for
          * the SDMA */
-        sdma_buf_offset = qe_muram_alloc(512 * 2, 4096);
-        if (IS_ERR_VALUE(sdma_buf_offset))
-                return -ENOMEM;
+        if (IS_ERR_VALUE(sdma_buf_offset)) {
+                sdma_buf_offset = qe_muram_alloc(512 * 2, 4096);
+                if (IS_ERR_VALUE(sdma_buf_offset))
+                        return -ENOMEM;
+        }
 
         out_be32(&sdma->sdebcr, (u32) sdma_buf_offset & QE_SDEBCR_BA_MASK);
         out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK |
@@ -349,7 +340,7 @@ static int qe_sdma_init(void)
 }
 
 /* The maximum number of RISCs we support */
-#define MAX_QE_RISC     2
+#define MAX_QE_RISC     4
 
 /* Firmware information stored here for qe_get_firmware_info() */
 static struct qe_firmware_info qe_firmware_info;
@@ -658,3 +649,35 @@ unsigned int qe_get_num_of_snums(void)
         return num_of_snums;
 }
 EXPORT_SYMBOL(qe_get_num_of_snums);
+
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx)
+static int qe_resume(struct of_device *ofdev)
+{
+        if (!qe_alive_during_sleep())
+                qe_reset();
+        return 0;
+}
+
+static int qe_probe(struct of_device *ofdev, const struct of_device_id *id)
+{
+        return 0;
+}
+
+static const struct of_device_id qe_ids[] = {
+        { .compatible = "fsl,qe", },
+        { },
+};
+
+static struct of_platform_driver qe_driver = {
+        .driver.name = "fsl-qe",
+        .match_table = qe_ids,
+        .probe = qe_probe,
+        .resume = qe_resume,
+};
+
+static int __init qe_drv_init(void)
+{
+        return of_register_platform_driver(&qe_driver);
+}
+device_initcall(qe_drv_init);
+#endif /* defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx) */
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index 3faa42e03a85..541ba9863647 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -33,7 +33,7 @@
 
 #include "qe_ic.h"
 
-static DEFINE_SPINLOCK(qe_ic_lock);
+static DEFINE_RAW_SPINLOCK(qe_ic_lock);
 
 static struct qe_ic_info qe_ic_info[] = {
         [1] = {
@@ -189,7 +189,7 @@ static inline void qe_ic_write(volatile __be32  __iomem * base, unsigned int reg
 
 static inline struct qe_ic *qe_ic_from_irq(unsigned int virq)
 {
-        return irq_desc[virq].chip_data;
+        return irq_to_desc(virq)->chip_data;
 }
 
 #define virq_to_hw(virq)        ((unsigned int)irq_map[virq].hwirq)
@@ -201,13 +201,13 @@ static void qe_ic_unmask_irq(unsigned int virq)
         unsigned long flags;
         u32 temp;
 
-        spin_lock_irqsave(&qe_ic_lock, flags);
+        raw_spin_lock_irqsave(&qe_ic_lock, flags);
 
         temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
         qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
                     temp | qe_ic_info[src].mask);
 
-        spin_unlock_irqrestore(&qe_ic_lock, flags);
+        raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
 }
 
 static void qe_ic_mask_irq(unsigned int virq)
@@ -217,7 +217,7 @@ static void qe_ic_mask_irq(unsigned int virq)
         unsigned long flags;
         u32 temp;
 
-        spin_lock_irqsave(&qe_ic_lock, flags);
+        raw_spin_lock_irqsave(&qe_ic_lock, flags);
 
         temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
         qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
@@ -233,11 +233,11 @@ static void qe_ic_mask_irq(unsigned int virq)
          */
         mb();
 
-        spin_unlock_irqrestore(&qe_ic_lock, flags);
+        raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
 }
 
 static struct irq_chip qe_ic_irq_chip = {
-        .typename = " QEIC  ",
+        .name = "QEIC",
         .unmask = qe_ic_unmask_irq,
         .mask = qe_ic_mask_irq,
         .mask_ack = qe_ic_mask_irq,
@@ -256,14 +256,14 @@ static int qe_ic_host_map(struct irq_host *h, unsigned int virq,
         struct irq_chip *chip;
 
         if (qe_ic_info[hw].mask == 0) {
-                printk(KERN_ERR "Can't map reserved IRQ \n");
+                printk(KERN_ERR "Can't map reserved IRQ\n");
                 return -EINVAL;
         }
         /* Default chip */
         chip = &qe_ic->hc_irq;
 
         set_irq_chip_data(virq, qe_ic);
-        get_irq_desc(virq)->status |= IRQ_LEVEL;
+        irq_to_desc(virq)->status |= IRQ_LEVEL;
 
         set_irq_chip_and_handler(virq, chip, handle_level_irq);
 
@@ -271,7 +271,7 @@ static int qe_ic_host_map(struct irq_host *h, unsigned int virq,
 }
 
 static int qe_ic_host_xlate(struct irq_host *h, struct device_node *ct,
-                            u32 * intspec, unsigned int intsize,
+                            const u32 * intspec, unsigned int intsize,
                             irq_hw_number_t * out_hwirq,
                             unsigned int *out_flags)
 {
diff --git a/arch/powerpc/sysdev/qe_lib/qe_io.c b/arch/powerpc/sysdev/qe_lib/qe_io.c
index 7c87460179ef..77e4934b88c5 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_io.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_io.c
@@ -157,13 +157,13 @@ int par_io_of_config(struct device_node *np)
         const unsigned int *pio_map;
 
         if (par_io == NULL) {
-                printk(KERN_ERR "par_io not initialized \n");
+                printk(KERN_ERR "par_io not initialized\n");
                 return -1;
         }
 
         ph = of_get_property(np, "pio-handle", NULL);
         if (ph == NULL) {
-                printk(KERN_ERR "pio-handle not available \n");
+                printk(KERN_ERR "pio-handle not available\n");
                 return -1;
         }
 
@@ -171,12 +171,12 @@ int par_io_of_config(struct device_node *np)
 
         pio_map = of_get_property(pio, "pio-map", &pio_map_len);
         if (pio_map == NULL) {
-                printk(KERN_ERR "pio-map is not set! \n");
+                printk(KERN_ERR "pio-map is not set!\n");
                 return -1;
         }
         pio_map_len /= sizeof(unsigned int);
         if ((pio_map_len % 6) != 0) {
-                printk(KERN_ERR "pio-map format wrong! \n");
+                printk(KERN_ERR "pio-map format wrong!\n");
                 return -1;
         }
 
diff --git a/arch/powerpc/sysdev/qe_lib/ucc.c b/arch/powerpc/sysdev/qe_lib/ucc.c
index ebb442ea1917..fa589b21dbcd 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc.c
@@ -16,7 +16,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/errno.h>
-#include <linux/slab.h>
 #include <linux/stddef.h>
 #include <linux/spinlock.h>
 #include <linux/module.h>
diff --git a/arch/powerpc/sysdev/simple_gpio.c b/arch/powerpc/sysdev/simple_gpio.c
index 43c4569e24b7..d5fb173e588c 100644
--- a/arch/powerpc/sysdev/simple_gpio.c
+++ b/arch/powerpc/sysdev/simple_gpio.c
@@ -21,6 +21,7 @@
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 #include <linux/gpio.h>
+#include <linux/slab.h>
 #include <asm/prom.h>
 #include "simple_gpio.h"
 
diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c
index cf244a419e96..0ab9281e49ae 100644
--- a/arch/powerpc/sysdev/tsi108_pci.c
+++ b/arch/powerpc/sysdev/tsi108_pci.c
@@ -24,7 +24,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/slab.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 
@@ -376,7 +375,7 @@ static void tsi108_pci_irq_end(u_int irq)
  */
 
 static struct irq_chip tsi108_pci_irq = {
-        .typename = "tsi108_PCI_int",
+        .name = "tsi108_PCI_int",
         .mask = tsi108_pci_irq_disable,
         .ack = tsi108_pci_irq_ack,
         .end = tsi108_pci_irq_end,
@@ -384,7 +383,7 @@ static struct irq_chip tsi108_pci_irq = {
 };
 
 static int pci_irq_host_xlate(struct irq_host *h, struct device_node *ct,
-                            u32 *intspec, unsigned int intsize,
+                            const u32 *intspec, unsigned int intsize,
                             irq_hw_number_t *out_hwirq, unsigned int *out_flags)
 {
         *out_hwirq = intspec[0];
@@ -398,7 +397,7 @@ static int pci_irq_host_map(struct irq_host *h, unsigned int virq,
         DBG("%s(%d, 0x%lx)\n", __func__, virq, hw);
         if ((virq >= 1) && (virq <= 4)){
                 irq = virq + IRQ_PCI_INTAD_BASE - 1;
-                get_irq_desc(irq)->status |= IRQ_LEVEL;
+                irq_to_desc(irq)->status |= IRQ_LEVEL;
                 set_irq_chip(irq, &tsi108_pci_irq);
         }
         return 0;
diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c
index 466ce9ace127..0038fb78f094 100644
--- a/arch/powerpc/sysdev/uic.c
+++ b/arch/powerpc/sysdev/uic.c
@@ -57,7 +57,7 @@ struct uic {
 
 static void uic_unmask_irq(unsigned int virq)
 {
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
         struct uic *uic = get_irq_chip_data(virq);
         unsigned int src = uic_irq_to_hw(virq);
         unsigned long flags;
@@ -101,7 +101,7 @@ static void uic_ack_irq(unsigned int virq)
 
 static void uic_mask_ack_irq(unsigned int virq)
 {
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
         struct uic *uic = get_irq_chip_data(virq);
         unsigned int src = uic_irq_to_hw(virq);
         unsigned long flags;
@@ -129,7 +129,7 @@ static int uic_set_irq_type(unsigned int virq, unsigned int flow_type)
 {
         struct uic *uic = get_irq_chip_data(virq);
         unsigned int src = uic_irq_to_hw(virq);
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
         unsigned long flags;
         int trigger, polarity;
         u32 tr, pr, mask;
@@ -177,7 +177,7 @@ static int uic_set_irq_type(unsigned int virq, unsigned int flow_type)
 }
 
 static struct irq_chip uic_irq_chip = {
-        .typename       = " UIC  ",
+        .name           = "UIC",
         .unmask         = uic_unmask_irq,
         .mask           = uic_mask_irq,
         .mask_ack       = uic_mask_ack_irq,
@@ -202,7 +202,7 @@ static int uic_host_map(struct irq_host *h, unsigned int virq,
 }
 
 static int uic_host_xlate(struct irq_host *h, struct device_node *ct,
-                          u32 *intspec, unsigned int intsize,
+                          const u32 *intspec, unsigned int intsize,
                           irq_hw_number_t *out_hwirq, unsigned int *out_type)
 
 {
@@ -225,12 +225,12 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc)
         int src;
         int subvirq;
 
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         if (desc->status & IRQ_LEVEL)
                 desc->chip->mask(virq);
         else
                 desc->chip->mask_ack(virq);
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 
         msr = mfdcr(uic->dcrbase + UIC_MSR);
         if (!msr) /* spurious interrupt */
@@ -242,12 +242,12 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc)
         generic_handle_irq(subvirq);
 
 uic_irq_ret:
-        spin_lock(&desc->lock);
+        raw_spin_lock(&desc->lock);
         if (desc->status & IRQ_LEVEL)
                 desc->chip->ack(virq);
         if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask)
                 desc->chip->unmask(virq);
-        spin_unlock(&desc->lock);
+        raw_spin_unlock(&desc->lock);
 }
 
 static struct uic * __init uic_init_one(struct device_node *node)
diff --git a/arch/powerpc/sysdev/xilinx_intc.c b/arch/powerpc/sysdev/xilinx_intc.c
index 40edad520770..1e0ccfaf403e 100644
--- a/arch/powerpc/sysdev/xilinx_intc.c
+++ b/arch/powerpc/sysdev/xilinx_intc.c
@@ -79,7 +79,7 @@ static void xilinx_intc_mask(unsigned int virq)
 
 static int xilinx_intc_set_type(unsigned int virq, unsigned int flow_type)
 {
-        struct irq_desc *desc = get_irq_desc(virq);
+        struct irq_desc *desc = irq_to_desc(virq);
 
         desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
         desc->status |= flow_type & IRQ_TYPE_SENSE_MASK;
@@ -106,7 +106,7 @@ static void xilinx_intc_level_unmask(unsigned int virq)
 }
 
 static struct irq_chip xilinx_intc_level_irqchip = {
-        .typename = "Xilinx Level INTC",
+        .name = "Xilinx Level INTC",
         .mask = xilinx_intc_mask,
         .mask_ack = xilinx_intc_mask,
         .unmask = xilinx_intc_level_unmask,
@@ -133,7 +133,7 @@ static void xilinx_intc_edge_ack(unsigned int virq)
 }
 
 static struct irq_chip xilinx_intc_edge_irqchip = {
-        .typename = "Xilinx Edge  INTC",
+        .name = "Xilinx Edge  INTC",
         .mask = xilinx_intc_mask,
         .unmask = xilinx_intc_edge_unmask,
         .ack = xilinx_intc_edge_ack,
@@ -148,7 +148,7 @@ static struct irq_chip xilinx_intc_edge_irqchip = {
  * xilinx_intc_xlate - translate virq# from device tree interrupts property
  */
 static int xilinx_intc_xlate(struct irq_host *h, struct device_node *ct,
-                                u32 *intspec, unsigned int intsize,
+                                const u32 *intspec, unsigned int intsize,
                                 irq_hw_number_t *out_hwirq,
                                 unsigned int *out_flags)
 {