Merge branch 'imx-for-2.6.35' of git://git.pengutronix.de/git/imx/linux-2.6

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1f254bd6c937ece2e6d6a6b1040d954cc923cd7a..98922f7d2d1236dd7fd29fa404447b46189c0222 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -955,7 +955,8 @@ config XSCALE_PMU
        default y
 
 config CPU_HAS_PMU
-       depends on CPU_V6 || CPU_V7 || XSCALE_PMU
+       depends on (CPU_V6 || CPU_V7 || XSCALE_PMU) && \
+                  (!ARCH_OMAP3 || OMAP3_EMU)
        default y
        bool
 

diff --git a/arch/arm/include/asm/mach/udc_pxa2xx.h b/arch/arm/include/asm/mach/udc_pxa2xx.h
index f3eabf1ecec333643273d9f797a7afd70cc4894d..833306ee9e7fec2059c457e7e107d586198c4de6 100644 (file)
--- a/arch/arm/include/asm/mach/udc_pxa2xx.h
+++ b/arch/arm/include/asm/mach/udc_pxa2xx.h
@@ -21,8 +21,8 @@ struct pxa2xx_udc_mach_info {
         * here.  Note that sometimes the signals go through inverters...
         */
        bool    gpio_vbus_inverted;
-       u16     gpio_vbus;                      /* high == vbus present */
+       int     gpio_vbus;                      /* high == vbus present */
        bool    gpio_pullup_inverted;
-       u16     gpio_pullup;                    /* high == pullup activated */
+       int     gpio_pullup;                    /* high == pullup activated */
 };
 

diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 6a89567ffc5bc49a326c0a56747aced339fd53db..7bed3daf83b8f27547ac608d574ffb00de8d1871 100644 (file)
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -91,7 +91,11 @@ extern void release_thread(struct task_struct *);
 
 unsigned long get_wchan(struct task_struct *p);
 
+#if __LINUX_ARM_ARCH__ == 6
+#define cpu_relax()                    smp_mb()
+#else
 #define cpu_relax()                    barrier()
+#endif
 
 /*
  * Create a new kernel thread

diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index d60db87dde0872e32fddae50a0454e4bdfc6161f..fa6a708b40997feb7ae0296c04d91d1afa8930c9 100644 (file)
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -697,7 +697,7 @@ static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
 };
 
 /* Board I2C devices. */
-static struct i2c_board_info __initdata mioa701_i2c_devices[] = {
+static struct i2c_board_info mioa701_i2c_devices[] = {
        {
                I2C_BOARD_INFO("mt9m111", 0x5d),
        },

diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c
index f5d1ae3db3a46783b4421bf818d50ca4eed1e690..d303c6929d3282803e3b547e9509e7b7aab3b177 100644 (file)
--- a/arch/arm/mach-pxa/z2.c
+++ b/arch/arm/mach-pxa/z2.c
@@ -3,8 +3,9 @@
  *
  *  Support for the Zipit Z2 Handheld device.
  *
- *  Author:    Ken McGuire
- *  Created:   Jan 25, 2009
+ *  Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ *  Based on research and code by: Ken McGuire
  *  Based on mainstone.c as modified for the Zipit Z2.
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -157,21 +158,14 @@ static struct mtd_partition z2_flash_parts[] = {
        {
                .name   = "U-Boot Bootloader",
                .offset = 0x0,
-               .size   = 0x20000,
-       },
-       {
-               .name   = "Linux Kernel",
-               .offset = 0x20000,
-               .size   = 0x220000,
-       },
-       {
-               .name   = "Filesystem",
-               .offset = 0x240000,
-               .size   = 0x5b0000,
-       },
-       {
+               .size   = 0x40000,
+       }, {
                .name   = "U-Boot Environment",
-               .offset = 0x7f0000,
+               .offset = 0x40000,
+               .size   = 0x60000,
+       }, {
+               .name   = "Flash",
+               .offset = 0x60000,
                .size   = MTDPART_SIZ_FULL,
        },
 };

diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 422ccd70d5f532066eb7ce4f855be243563db32d..4425018fab828c864e662dfb4bfd5db369a76a15 100644 (file)
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -32,6 +32,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/localtimer.h>
@@ -457,7 +458,7 @@ static void __init realview_eb_init(void)
 
 MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_EB_UART0_BASE,
+       .phys_io        = REALVIEW_EB_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_EB_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_fixup,

diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index 96568ebfa2bb1b5b3c76b3990bbb4c7cea66252f..099a1f125cf8f6c10b1720ccdcee7623ff5a73ad 100644 (file)
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -32,6 +32,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 
@@ -351,7 +352,7 @@ static void __init realview_pb1176_init(void)
 
 MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_PB1176_UART0_BASE,
+       .phys_io        = REALVIEW_PB1176_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_pb1176_fixup,

diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 7fbefbbebaf06e488eae02f5521b4cc7d66b54f7..0e07a5ccb75f56de33bec477f242d93d88bca448 100644 (file)
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -32,6 +32,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/localtimer.h>
@@ -373,7 +374,7 @@ static void __init realview_pb11mp_init(void)
 
 MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_PB11MP_UART0_BASE,
+       .phys_io        = REALVIEW_PB11MP_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PB11MP_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_fixup,

diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
index d3c113b3dfcecef2e32b3788624e2fbd97d26b1d..ac2f06f1ca500e9bd26603b21ba6c6badf046e11 100644 (file)
--- a/arch/arm/mach-realview/realview_pba8.c
+++ b/arch/arm/mach-realview/realview_pba8.c
@@ -31,6 +31,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 
 #include <asm/mach/arch.h>
@@ -323,7 +324,7 @@ static void __init realview_pba8_init(void)
 
 MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_PBA8_UART0_BASE,
+       .phys_io        = REALVIEW_PBA8_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PBA8_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_fixup,

diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index a235ba30996ba42341c9c2d28e724d67f34e54af..08fd683adc4ced929eb255fd8da2e3b733850a87 100644 (file)
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -31,6 +31,7 @@
 #include <asm/mach-types.h>
 #include <asm/pmu.h>
 #include <asm/smp_twd.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 
@@ -409,7 +410,7 @@ static void __init realview_pbx_init(void)
 
 MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-       .phys_io        = REALVIEW_PBX_UART0_BASE,
+       .phys_io        = REALVIEW_PBX_UART0_BASE & SECTION_MASK,
        .io_pg_offst    = (IO_ADDRESS(REALVIEW_PBX_UART0_BASE) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .fixup          = realview_pbx_fixup,

diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index 9b11eedba65fc4163cb33929addc2bf4e6784cbf..6353459bb5671bc2623377529b9a6dfcd5db4a8f 100644 (file)
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -10,6 +10,7 @@
 #include <linux/amba/clcd.h>
 
 #include <asm/clkdev.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/arm_timer.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/hardware/gic.h>
@@ -236,7 +237,7 @@ static void ct_ca9x4_init(void)
 }
 
 MACHINE_START(VEXPRESS, "ARM-Versatile Express CA9x4")
-       .phys_io        = V2M_UART0,
+       .phys_io        = V2M_UART0 & SECTION_MASK,
        .io_pg_offst    = (__MMIO_P2V(V2M_UART0) >> 18) & 0xfffc,
        .boot_params    = PHYS_OFFSET + 0x00000100,
        .map_io         = ct_ca9x4_map_io,

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 346ae14824a5ea96365f6e9b66fa8f78cd8cd4bc..fc1b2fa594293b5f8946229fd0db62db0ef67283 100644 (file)
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -735,6 +735,25 @@ config NEEDS_SYSCALL_FOR_CMPXCHG
          Forget about fast user space cmpxchg support.
          It is just not possible.
 
+config DMA_CACHE_RWFO
+       bool "Enable read/write for ownership DMA cache maintenance"
+       depends on CPU_V6 && SMP
+       default y
+       help
+         The Snoop Control Unit on ARM11MPCore does not detect the
+         cache maintenance operations and the dma_{map,unmap}_area()
+         functions may leave stale cache entries on other CPUs. By
+         enabling this option, Read or Write For Ownership in the ARMv6
+         DMA cache maintenance functions is performed. These LDR/STR
+         instructions change the cache line state to shared or modified
+         so that the cache operation has the desired effect.
+
+         Note that the workaround is only valid on processors that do
+         not perform speculative loads into the D-cache. For such
+         processors, if cache maintenance operations are not broadcast
+         in hardware, other workarounds are needed (e.g. cache
+         maintenance broadcasting in software via FIQ).
+
 config OUTER_CACHE
        bool
 

diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S
index e46ecd8471383102b52e5c6475873f3f4bdfc65d..86aa689ef1aa2f6b53cf84a717427df11a25ce1e 100644 (file)
--- a/arch/arm/mm/cache-v6.S
+++ b/arch/arm/mm/cache-v6.S
@@ -211,8 +211,9 @@ v6_dma_inv_range:
        mcrne   p15, 0, r1, c7, c15, 1          @ clean & invalidate unified line
 #endif
 1:
-#ifdef CONFIG_SMP
-       str     r0, [r0]                        @ write for ownership
+#ifdef CONFIG_DMA_CACHE_RWFO
+       ldr     r2, [r0]                        @ read for ownership
+       str     r2, [r0]                        @ write for ownership
 #endif
 #ifdef HARVARD_CACHE
        mcr     p15, 0, r0, c7, c6, 1           @ invalidate D line
@@ -234,7 +235,7 @@ v6_dma_inv_range:
 v6_dma_clean_range:
        bic     r0, r0, #D_CACHE_LINE_SIZE - 1
 1:
-#ifdef CONFIG_SMP
+#ifdef CONFIG_DMA_CACHE_RWFO
        ldr     r2, [r0]                        @ read for ownership
 #endif
 #ifdef HARVARD_CACHE
@@ -257,7 +258,7 @@ v6_dma_clean_range:
 ENTRY(v6_dma_flush_range)
        bic     r0, r0, #D_CACHE_LINE_SIZE - 1
 1:
-#ifdef CONFIG_SMP
+#ifdef CONFIG_DMA_CACHE_RWFO
        ldr     r2, [r0]                        @ read for ownership
        str     r2, [r0]                        @ write for ownership
 #endif
@@ -283,9 +284,13 @@ ENTRY(v6_dma_map_area)
        add     r1, r1, r0
        teq     r2, #DMA_FROM_DEVICE
        beq     v6_dma_inv_range
+#ifndef CONFIG_DMA_CACHE_RWFO
+       b       v6_dma_clean_range
+#else
        teq     r2, #DMA_TO_DEVICE
        beq     v6_dma_clean_range
        b       v6_dma_flush_range
+#endif
 ENDPROC(v6_dma_map_area)
 
 /*
@@ -295,6 +300,11 @@ ENDPROC(v6_dma_map_area)
  *     - dir   - DMA direction
  */
 ENTRY(v6_dma_unmap_area)
+#ifndef CONFIG_DMA_CACHE_RWFO
+       add     r1, r1, r0
+       teq     r2, #DMA_TO_DEVICE
+       bne     v6_dma_inv_range
+#endif
        mov     pc, lr
 ENDPROC(v6_dma_unmap_area)
 

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 13fa536d82e695ff69b6e74f8e95853cf7199ede..9e7742f0a102fe5c7d091134391db81d93d71726 100644 (file)
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -24,15 +24,6 @@
 #include <asm/tlbflush.h>
 #include <asm/sizes.h>
 
-/* Sanity check size */
-#if (CONSISTENT_DMA_SIZE % SZ_2M)
-#error "CONSISTENT_DMA_SIZE must be multiple of 2MiB"
-#endif
-
-#define CONSISTENT_OFFSET(x)   (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT)
-#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT)
-#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT)
-
 static u64 get_coherent_dma_mask(struct device *dev)
 {
        u64 mask = ISA_DMA_THRESHOLD;
@@ -123,6 +114,15 @@ static void __dma_free_buffer(struct page *page, size_t size)
 }
 
 #ifdef CONFIG_MMU
+/* Sanity check size */
+#if (CONSISTENT_DMA_SIZE % SZ_2M)
+#error "CONSISTENT_DMA_SIZE must be multiple of 2MiB"
+#endif
+
+#define CONSISTENT_OFFSET(x)   (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT)
+#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT)
+#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT)
+
 /*
  * These are the page tables (2MB each) covering uncached, DMA consistent allocations
  */

diff --git a/arch/arm/plat-pxa/Makefile b/arch/arm/plat-pxa/Makefile
index 6187edfbcb777a13a11eb5eea273abb4901b5c7d..a17cc0c6a6b0117f1a590f3d773bf10c69e2581a 100644 (file)
--- a/arch/arm/plat-pxa/Makefile
+++ b/arch/arm/plat-pxa/Makefile
@@ -2,8 +2,9 @@
 # Makefile for code common across different PXA processor families
 #
 
-obj-y  := dma.o pmu.o
+obj-y  := dma.o
 
+obj-$(CONFIG_ARCH_PXA)         += pmu.o
 obj-$(CONFIG_GENERIC_GPIO)     += gpio.o
 obj-$(CONFIG_PXA3xx)           += mfp.o
 obj-$(CONFIG_ARCH_MMP)         += mfp.o

diff --git a/drivers/power/z2_battery.c b/drivers/power/z2_battery.c
index 9cca465436e39d07569db4a0a2535332ae2d5fb6..85064a9f649ed34acbfad8db3980afd42bb208ec 100644 (file)
--- a/drivers/power/z2_battery.c
+++ b/drivers/power/z2_battery.c
@@ -9,19 +9,13 @@
  *
  */
 
-#include <linux/init.h>
-#include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/power_supply.h>
-#include <linux/i2c.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
 #include <linux/gpio.h>
+#include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <asm/irq.h>
-#include <asm/mach/irq.h>
+#include <linux/power_supply.h>
+#include <linux/slab.h>
 #include <linux/z2_battery.h>
 
 #define        Z2_DEFAULT_NAME "Z2"