19 files changed, 113 insertions, 17 deletions

diff --git a/Documentation/arm/Samsung-S3C24XX/Overview.txt b/Documentation/arm/Samsung-S3C24XX/Overview.txt
index dda7ecdde87b..28d014714ab8 100644
--- a/Documentation/arm/Samsung-S3C24XX/Overview.txt
+++ b/Documentation/arm/Samsung-S3C24XX/Overview.txt
@@ -76,6 +76,15 @@ Machines
     A S3C2410 based PDA from Acer.  There is a Wiki page at
     http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
 
+  AML M5900
+
+    American Microsystems' M5900
+
+  Nex Vision Nexcoder
+  Nex Vision Otom
+
+    Two machines by Nex Vision
+
 
 Adding New Machines
 -------------------
@@ -115,6 +124,10 @@ RTC
 
   Support for the onboard RTC unit, including alarm function.
 
+  This has recently been upgraded to use the new RTC core,
+  and the module has been renamed to rtc-s3c to fit in with
+  the new rtc naming scheme.
+
 
 Watchdog
 --------
@@ -128,7 +141,7 @@ NAND
 
   The current kernels now have support for the s3c2410 NAND
   controller. If there are any problems the latest linux-mtd
-  CVS can be found from http://www.linux-mtd.infradead.org/
+  code can be found from http://www.linux-mtd.infradead.org/
 
 
 Serial
@@ -168,6 +181,21 @@ Suspend to RAM
   See Suspend.txt for more information.
 
 
+SPI
+---
+
+  SPI drivers are available for both the in-built hardware
+  (although there is no DMA support yet) and a generic
+  GPIO based solution.
+
+
+LEDs
+----
+
+  There is support for GPIO based LEDs via a platform driver
+  in the LED subsystem.
+
+
 Platform Data
 -------------
 
diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c
index fbf9f88e46ea..e79a1b62600f 100644
--- a/arch/arm/mach-iop13xx/io.c
+++ b/arch/arm/mach-iop13xx/io.c
@@ -21,6 +21,25 @@
 #include <asm/hardware.h>
 #include <asm/io.h>
 
+void * __iomem __iop13xx_io(unsigned long io_addr)
+{
+        void __iomem * io_virt;
+
+        switch (io_addr) {
+        case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA:
+                io_virt = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(io_addr);
+                break;
+        case IOP13XX_PCIX_LOWER_IO_PA ... IOP13XX_PCIX_UPPER_IO_PA:
+                io_virt = (void *) IOP13XX_PCIX_IO_PHYS_TO_VIRT(io_addr);
+                break;
+        default:
+                BUG();
+        }
+
+        return io_virt;
+}
+EXPORT_SYMBOL(__iop13xx_io);
+
 void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size,
         unsigned long flags)
 {
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 6ae605857ca9..9de1278d234f 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -76,7 +76,9 @@ unsigned long long sched_clock(void)
         /*
          * 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for
          * any value of CLOCK_TICK_RATE. Max value is in the 80 thousand
-         * years range which is nice, but with higher computation cost.
+         * years range and truncation to unsigned long long limits it to
+         * sched_clock's max range of ~584 years.  This is nice but with
+         * higher computation cost.
          */
         {
                 union {
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 3775b8f38429..ee2beb400414 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -101,7 +101,7 @@ static struct irqaction pxa_timer_irq = {
         .handler        = pxa_timer_interrupt,
 };
 
-cycle_t pxa_get_cycles(void)
+static cycle_t pxa_get_cycles(void)
 {
         return OSCR;
 }
@@ -134,13 +134,13 @@ static void __init pxa_timer_init(void)
         OSMR0 = OSCR + LATCH;   /* set initial match */
         local_irq_restore(flags);
 
-        /* on PXA OSCR runs continiously and is not written to, so we can use it
-         * as clock source directly.
+        /*
+         * OSCR runs continuously on PXA and is not written to,
+         * so we can use it as clock source directly.
          */
         clocksource_pxa.mult =
                 clocksource_hz2mult(CLOCK_TICK_RATE, clocksource_pxa.shift);
         clocksource_register(&clocksource_pxa);
-
 }
 
 #ifdef CONFIG_NO_IDLE_HZ
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 717322a0916b..fa860e716b4f 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -1053,11 +1053,11 @@ int s3c2410_dma_config(dmach_t channel,
         if (chan == NULL)
                 return -EINVAL;
 
-        printk("Initial dcon is %08x\n", dcon);
+        pr_debug("%s: Initial dcon is %08x\n", __FUNCTION__, dcon);
 
         dcon |= chan->dcon & dma_sel.dcon_mask;
 
-        printk("New dcon is %08x\n", dcon);
+        pr_debug("%s: New dcon is %08x\n", __FUNCTION__, dcon);
 
         switch (xferunit) {
         case 1:
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c
index 408b05ae6b9b..ded0e96d069d 100644
--- a/arch/arm/mm/copypage-v4mc.c
+++ b/arch/arm/mm/copypage-v4mc.c
@@ -19,6 +19,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
 
 #include "mm.h"
 
@@ -69,6 +70,11 @@ mc_copy_user_page(void *from, void *to)
 
 void v4_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
 {
+        struct page *page = virt_to_page(kfrom);
+
+        if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+                __flush_dcache_page(page_mapping(page), page);
+
         spin_lock(&minicache_lock);
 
         set_pte_ext(TOP_PTE(0xffff8000), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0);
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index 865777dec161..3adb79257f43 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -53,6 +53,10 @@ static void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned lo
 {
         unsigned int offset = CACHE_COLOUR(vaddr);
         unsigned long from, to;
+        struct page *page = virt_to_page(kfrom);
+
+        if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+                __flush_dcache_page(page_mapping(page), page);
 
         /*
          * Discard data in the kernel mapping for the new page.
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index aea5da723596..2e455f82a4d5 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -19,6 +19,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
 
 #include "mm.h"
 
@@ -91,6 +92,11 @@ mc_copy_user_page(void *from, void *to)
 
 void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
 {
+        struct page *page = virt_to_page(kfrom);
+
+        if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+                __flush_dcache_page(page_mapping(page), page);
+
         spin_lock(&minicache_lock);
 
         set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0);
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index e26cc1f59948..490d9d18a7d1 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -264,6 +264,18 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
                 vfp_raise_exceptions(exceptions, trigger, orig_fpscr, regs);
 }
 
+static void vfp_enable(void *unused)
+{
+        u32 access = get_copro_access();
+
+        /*
+         * Enable full access to VFP (cp10 and cp11)
+         */
+        set_copro_access(access | CPACC_FULL(10) | CPACC_FULL(11));
+}
+
+#include <linux/smp.h>
+
 /*
  * VFP support code initialisation.
  */
@@ -288,6 +300,7 @@ static int __init vfp_init(void)
          * we just need to read the VFPSID register.
          */
         vfpsid = fmrx(FPSID);
+        barrier();
 
         printk(KERN_INFO "VFP support v0.3: ");
         if (VFP_arch) {
@@ -301,6 +314,8 @@ static int __init vfp_init(void)
         } else if (vfpsid & FPSID_NODOUBLE) {
                 printk("no double precision support\n");
         } else {
+                smp_call_function(vfp_enable, NULL, 1, 1);
+
                 VFP_arch = (vfpsid & FPSID_ARCH_MASK) >> FPSID_ARCH_BIT;  /* Extract the architecture version */
                 printk("implementor %02x architecture %d part %02x variant %x rev %x\n",
                         (vfpsid & FPSID_IMPLEMENTER_MASK) >> FPSID_IMPLEMENTER_BIT,
diff --git a/include/asm-arm/arch-ep93xx/irqs.h b/include/asm-arm/arch-ep93xx/irqs.h
index 9a42f5de9e57..ae532e304bf1 100644
--- a/include/asm-arm/arch-ep93xx/irqs.h
+++ b/include/asm-arm/arch-ep93xx/irqs.h
@@ -22,9 +22,9 @@
 #define IRQ_EP93XX_DMAM2P9              16
 #define IRQ_EP93XX_DMAM2M0              17
 #define IRQ_EP93XX_DMAM2M1              18
-#define IRQ_EP93XX_GPIO0MUX             20
-#define IRQ_EP93XX_GPIO1MUX             21
-#define IRQ_EP93XX_GPIO2MUX             22
+#define IRQ_EP93XX_GPIO0MUX             19
+#define IRQ_EP93XX_GPIO1MUX             20
+#define IRQ_EP93XX_GPIO2MUX             21
 #define IRQ_EP93XX_GPIO3MUX             22
 #define IRQ_EP93XX_UART1RX              23
 #define IRQ_EP93XX_UART1TX              24
diff --git a/include/asm-arm/arch-iop13xx/io.h b/include/asm-arm/arch-iop13xx/io.h
index db6de2480a24..5a7bdb526606 100644
--- a/include/asm-arm/arch-iop13xx/io.h
+++ b/include/asm-arm/arch-iop13xx/io.h
@@ -21,10 +21,11 @@
 
 #define IO_SPACE_LIMIT 0xffffffff
 
-#define __io(a)      (a)
+#define __io(a) __iop13xx_io(a)
 #define __mem_pci(a) (a)
 #define __mem_isa(a) (a)
 
+extern void __iomem * __iop13xx_io(unsigned long io_addr);
 extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
 extern void __iomem *__iop13xx_ioremap(unsigned long cookie, size_t size,
         unsigned long flags);
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index 083e03c5639f..e24f6b6c79ae 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1626,7 +1626,7 @@
 #define SSCR0_RIM       (1 << 22)       /* Receive FIFO overrrun interrupt mask */
 #define SSCR0_TUM       (1 << 23)       /* Transmit FIFO underrun interrupt mask */
 #define SSCR0_FRDC      (0x07000000)    /* Frame rate divider control (mask) */
-#define SSCR0_SlotsPerFrm(x) ((x) - 1)  /* Time slots per frame [1..8] */
+#define SSCR0_SlotsPerFrm(x) (((x) - 1) << 24)  /* Time slots per frame [1..8] */
 #define SSCR0_ADC       (1 << 30)       /* Audio clock select */
 #define SSCR0_MOD       (1 << 31)       /* Mode (normal or network) */
 #endif
@@ -1655,6 +1655,7 @@
 #define SSCR0_EDSS              (1 << 20)       /* Extended Data Size Select */
 
 /* extra bits in PXA255, PXA26x and PXA27x SSP ports */
+#define SSCR0_TISSP             (1 << 4)        /* TI Sync Serial Protocol */
 #define SSCR0_PSP               (3 << 4)        /* PSP - Programmable Serial Protocol */
 #define SSCR1_TTELP             (1 << 31)       /* TXD Tristate Enable Last Phase */
 #define SSCR1_TTE               (1 << 30)       /* TXD Tristate Enable */
diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h
index 7ac224836971..58ffa7ba3c88 100644
--- a/include/asm-arm/arch-s3c2410/dma.h
+++ b/include/asm-arm/arch-s3c2410/dma.h
@@ -14,7 +14,7 @@
 #define __ASM_ARCH_DMA_H __FILE__
 
 #include <linux/sysdev.h>
-#include "hardware.h"
+#include <asm/hardware.h>
 
 /*
  * This is the maximum DMA address(physical address) that can be DMAd to.
diff --git a/include/asm-arm/arch-s3c2410/entry-macro.S b/include/asm-arm/arch-s3c2410/entry-macro.S
index e09a6b8ec153..1eb4e6b8d249 100644
--- a/include/asm-arm/arch-s3c2410/entry-macro.S
+++ b/include/asm-arm/arch-s3c2410/entry-macro.S
@@ -20,7 +20,7 @@
 #define INTOFFSET       (0x14)
 
 #include <asm/hardware.h>
-#include <asm/arch/irqs.h>
+#include <asm/irq.h>
 
         .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
 
diff --git a/include/asm-arm/arch-s3c2410/hardware.h b/include/asm-arm/arch-s3c2410/hardware.h
index 729565e5cdf4..6dadf58ff984 100644
--- a/include/asm-arm/arch-s3c2410/hardware.h
+++ b/include/asm-arm/arch-s3c2410/hardware.h
@@ -13,6 +13,10 @@
 #ifndef __ASM_ARCH_HARDWARE_H
 #define __ASM_ARCH_HARDWARE_H
 
+#ifndef __ASM_HARDWARE_H
+#error "Do not include this directly, instead #include <asm/hardware.h>"
+#endif
+
 #ifndef __ASSEMBLY__
 
 /* external functions for GPIO support
diff --git a/include/asm-arm/arch-s3c2410/irqs.h b/include/asm-arm/arch-s3c2410/irqs.h
index 39a69829d163..4b7cff456c4e 100644
--- a/include/asm-arm/arch-s3c2410/irqs.h
+++ b/include/asm-arm/arch-s3c2410/irqs.h
@@ -12,6 +12,9 @@
 #ifndef __ASM_ARCH_IRQS_H
 #define __ASM_ARCH_IRQS_H __FILE__
 
+#ifndef __ASM_ARM_IRQ_H
+#error "Do not include this directly, instead #include <asm/irq.h>"
+#endif
 
 /* we keep the first set of CPU IRQs out of the range of
  * the ISA space, so that the PC104 has them to itself
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index 378a3a2ce8d9..d51049522cd0 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -355,6 +355,8 @@ extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
  */
 extern void flush_dcache_page(struct page *);
 
+extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
+
 #define flush_dcache_mmap_lock(mapping) \
         write_lock_irq(&(mapping)->tree_lock)
 #define flush_dcache_mmap_unlock(mapping) \
diff --git a/include/asm-arm/flat.h b/include/asm-arm/flat.h
index 966946478589..16f5375e57b8 100644
--- a/include/asm-arm/flat.h
+++ b/include/asm-arm/flat.h
@@ -5,7 +5,9 @@
 #ifndef __ARM_FLAT_H__
 #define __ARM_FLAT_H__
 
-#define flat_stack_align(sp)                    /* nothing needed */
+/* An odd number of words will be pushed after this alignment, so
+   deliberately misalign the value.  */
+#define flat_stack_align(sp)    sp = (void *)(((unsigned long)(sp) - 4) | 4)
 #define flat_argvp_envp_on_stack()              1
 #define flat_old_ram_flag(flags)                (flags)
 #define flat_reloc_valid(reloc, size)           ((reloc) <= (size))
diff --git a/include/asm-arm/irq.h b/include/asm-arm/irq.h
index 283af50a16cb..1b882a255e35 100644
--- a/include/asm-arm/irq.h
+++ b/include/asm-arm/irq.h
@@ -19,7 +19,6 @@
 #define NO_IRQ  ((unsigned int)(-1))
 #endif
 
-struct irqaction;
 
 /*
  * Migration helpers
@@ -37,6 +36,10 @@ struct irqaction;
 #define IRQT_HIGH       (__IRQT_HIGHLVL)
 #define IRQT_PROBE      IRQ_TYPE_PROBE
 
+#ifndef __ASSEMBLY__
+struct irqaction;
 extern void migrate_irqs(void);
 #endif
 
+#endif
+