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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-16 15:34:44 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-16 15:34:44 -0800 |
commit | 5b3fcfed35735af507be36a4c3f3bbeb9bc7bbf6 (patch) | |
tree | f956ebeec64d7c4249a8886585dc8416e51d72a3 /arch | |
parent | a12587b00388d1694933252e97abca237bc3a6b8 (diff) | |
parent | a61c2332f8e1939cd4984b63cab641b2366eb428 (diff) | |
download | lwn-5b3fcfed35735af507be36a4c3f3bbeb9bc7bbf6.tar.gz lwn-5b3fcfed35735af507be36a4c3f3bbeb9bc7bbf6.zip |
Merge branch 'fixes' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm
* 'fixes' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm:
ARM: sa11x0: assabet: fix build warning
ARM: Add arm_memblock_steal() to allocate memory away from the kernel
ARM: 7275/1: LPAE: Check the CPU support for the long descriptor format
ARM: 7274/1: NUC900: Rename nuc900-audio platform device to nuc900-ac97
ARM: 7272/1: S3C24XX: Fix build error for missing <mach/system-reset.h>
ARM: 7271/1: Fix typo in conversion of ARCH_NR_GPIOS to Kconfig
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/include/asm/gpio.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/memblock.h | 2 | ||||
-rw-r--r-- | arch/arm/kernel/head.S | 8 | ||||
-rw-r--r-- | arch/arm/mach-imx/mach-mx31_3ds.c | 5 | ||||
-rw-r--r-- | arch/arm/mach-imx/mach-mx31moboard.c | 5 | ||||
-rw-r--r-- | arch/arm/mach-imx/mach-pcm037.c | 5 | ||||
-rw-r--r-- | arch/arm/mach-omap2/Kconfig | 4 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap-secure.c | 13 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap4-common.c | 10 | ||||
-rw-r--r-- | arch/arm/mach-sa1100/assabet.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-w90x900/clksel.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-w90x900/cpu.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-w90x900/dev.c | 6 | ||||
-rw-r--r-- | arch/arm/mach-w90x900/mfp.c | 2 | ||||
-rw-r--r-- | arch/arm/mm/init.c | 17 | ||||
-rw-r--r-- | arch/arm/plat-omap/devices.c | 5 | ||||
-rw-r--r-- | arch/arm/plat-s3c24xx/cpu.c | 2 |
17 files changed, 50 insertions, 42 deletions
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h index 7151753b0989..c402e9b31f4c 100644 --- a/arch/arm/include/asm/gpio.h +++ b/arch/arm/include/asm/gpio.h @@ -2,7 +2,7 @@ #define _ARCH_ARM_GPIO_H #if CONFIG_ARCH_NR_GPIO > 0 -#define ARCH_NR_GPIO CONFIG_ARCH_NR_GPIO +#define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO #endif /* not all ARM platforms necessarily support this API ... */ diff --git a/arch/arm/include/asm/memblock.h b/arch/arm/include/asm/memblock.h index b8da2e415e4e..00ca5f92648e 100644 --- a/arch/arm/include/asm/memblock.h +++ b/arch/arm/include/asm/memblock.h @@ -6,4 +6,6 @@ struct machine_desc; extern void arm_memblock_init(struct meminfo *, struct machine_desc *); +phys_addr_t arm_memblock_steal(phys_addr_t size, phys_addr_t align); + #endif diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 14e277d2ff91..6d5791144066 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -99,6 +99,14 @@ ENTRY(stext) THUMB( it eq ) @ force fixup-able long branch encoding beq __error_p @ yes, error 'p' +#ifdef CONFIG_ARM_LPAE + mrc p15, 0, r3, c0, c1, 4 @ read ID_MMFR0 + and r3, r3, #0xf @ extract VMSA support + cmp r3, #5 @ long-descriptor translation table format? + THUMB( it lo ) @ force fixup-able long branch encoding + blo __error_p @ only classic page table format +#endif + #ifndef CONFIG_XIP_KERNEL adr r3, 2f ldmia r3, {r4, r8} diff --git a/arch/arm/mach-imx/mach-mx31_3ds.c b/arch/arm/mach-imx/mach-mx31_3ds.c index 89c33258639f..4d1aab154400 100644 --- a/arch/arm/mach-imx/mach-mx31_3ds.c +++ b/arch/arm/mach-imx/mach-mx31_3ds.c @@ -36,6 +36,7 @@ #include <asm/mach/time.h> #include <asm/memory.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <mach/common.h> #include <mach/iomux-mx3.h> #include <mach/3ds_debugboard.h> @@ -754,10 +755,8 @@ static struct sys_timer mx31_3ds_timer = { static void __init mx31_3ds_reserve(void) { /* reserve MX31_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */ - mx3_camera_base = memblock_alloc(MX31_3DS_CAMERA_BUF_SIZE, + mx3_camera_base = arm_memblock_steal(MX31_3DS_CAMERA_BUF_SIZE, MX31_3DS_CAMERA_BUF_SIZE); - memblock_free(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE); - memblock_remove(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE); } MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c index b95981dacb2b..f225262b5c38 100644 --- a/arch/arm/mach-imx/mach-mx31moboard.c +++ b/arch/arm/mach-imx/mach-mx31moboard.c @@ -41,6 +41,7 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <mach/board-mx31moboard.h> #include <mach/common.h> #include <mach/hardware.h> @@ -584,10 +585,8 @@ struct sys_timer mx31moboard_timer = { static void __init mx31moboard_reserve(void) { /* reserve 4 MiB for mx3-camera */ - mx3_camera_base = memblock_alloc(MX3_CAMERA_BUF_SIZE, + mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE, MX3_CAMERA_BUF_SIZE); - memblock_free(mx3_camera_base, MX3_CAMERA_BUF_SIZE); - memblock_remove(mx3_camera_base, MX3_CAMERA_BUF_SIZE); } MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") diff --git a/arch/arm/mach-imx/mach-pcm037.c b/arch/arm/mach-imx/mach-pcm037.c index d7e151669ed3..e48854b9d990 100644 --- a/arch/arm/mach-imx/mach-pcm037.c +++ b/arch/arm/mach-imx/mach-pcm037.c @@ -39,6 +39,7 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <mach/common.h> #include <mach/hardware.h> #include <mach/iomux-mx3.h> @@ -680,10 +681,8 @@ struct sys_timer pcm037_timer = { static void __init pcm037_reserve(void) { /* reserve 4 MiB for mx3-camera */ - mx3_camera_base = memblock_alloc(MX3_CAMERA_BUF_SIZE, + mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE, MX3_CAMERA_BUF_SIZE); - memblock_free(mx3_camera_base, MX3_CAMERA_BUF_SIZE); - memblock_remove(mx3_camera_base, MX3_CAMERA_BUF_SIZE); } MACHINE_START(PCM037, "Phytec Phycore pcm037") diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 904bd1dfcd2e..a8ba7b96dcd1 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -366,8 +366,8 @@ config OMAP3_SDRC_AC_TIMING going on could result in system crashes; config OMAP4_ERRATA_I688 - bool "OMAP4 errata: Async Bridge Corruption" - depends on ARCH_OMAP4 + bool "OMAP4 errata: Async Bridge Corruption (BROKEN)" + depends on ARCH_OMAP4 && BROKEN select ARCH_HAS_BARRIERS help If a data is stalled inside asynchronous bridge because of back diff --git a/arch/arm/mach-omap2/omap-secure.c b/arch/arm/mach-omap2/omap-secure.c index 69f3c72d959b..d8f8ef40290f 100644 --- a/arch/arm/mach-omap2/omap-secure.c +++ b/arch/arm/mach-omap2/omap-secure.c @@ -16,6 +16,7 @@ #include <linux/memblock.h> #include <asm/cacheflush.h> +#include <asm/memblock.h> #include <mach/omap-secure.h> @@ -57,20 +58,10 @@ u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs, u32 arg1, u32 arg2, /* Allocate the memory to save secure ram */ int __init omap_secure_ram_reserve_memblock(void) { - phys_addr_t paddr; u32 size = OMAP_SECURE_RAM_STORAGE; size = ALIGN(size, SZ_1M); - paddr = memblock_alloc(size, SZ_1M); - if (!paddr) { - pr_err("%s: failed to reserve %x bytes\n", - __func__, size); - return -ENOMEM; - } - memblock_free(paddr, size); - memblock_remove(paddr, size); - - omap_secure_memblock_base = paddr; + omap_secure_memblock_base = arm_memblock_steal(size, SZ_1M); return 0; } diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index bc16c818c6b7..40a8fbc07e4b 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -20,6 +20,7 @@ #include <asm/hardware/gic.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <plat/irqs.h> #include <plat/sram.h> @@ -61,13 +62,8 @@ static int __init omap_barriers_init(void) return -ENODEV; size = ALIGN(PAGE_SIZE, SZ_1M); - paddr = memblock_alloc(size, SZ_1M); - if (!paddr) { - pr_err("%s: failed to reserve 4 Kbytes\n", __func__); - return -ENOMEM; - } - memblock_free(paddr, size); - memblock_remove(paddr, size); + paddr = arm_memblock_steal(size, SZ_1M); + dram_io_desc[0].virtual = OMAP4_DRAM_BARRIER_VA; dram_io_desc[0].pfn = __phys_to_pfn(paddr); dram_io_desc[0].length = size; diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index 5bc6b3837b20..ebafe8aa8956 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -280,7 +280,7 @@ static void __init map_sa1100_gpio_regs( void ) int prot = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_DOMAIN(DOMAIN_IO); pmd_t *pmd; - pmd = pmd_offset(pgd_offset_k(virt), virt); + pmd = pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt); *pmd = __pmd(phys | prot); flush_pmd_entry(pmd); } diff --git a/arch/arm/mach-w90x900/clksel.c b/arch/arm/mach-w90x900/clksel.c index 3de4a5211c3b..06d867dce551 100644 --- a/arch/arm/mach-w90x900/clksel.c +++ b/arch/arm/mach-w90x900/clksel.c @@ -48,7 +48,7 @@ static void clock_source_select(const char *dev_id, unsigned int clkval) offset = ATAOFFSET; else if (strcmp(dev_id, "nuc900-lcd") == 0) offset = LCDOFFSET; - else if (strcmp(dev_id, "nuc900-audio") == 0) + else if (strcmp(dev_id, "nuc900-ac97") == 0) offset = AUDOFFSET; else offset = CPUOFFSET; diff --git a/arch/arm/mach-w90x900/cpu.c b/arch/arm/mach-w90x900/cpu.c index 604e1db266e8..9a0661992909 100644 --- a/arch/arm/mach-w90x900/cpu.c +++ b/arch/arm/mach-w90x900/cpu.c @@ -79,7 +79,7 @@ static DEFINE_CLK(timer4, 23); static struct clk_lookup nuc900_clkregs[] = { DEF_CLKLOOK(&clk_lcd, "nuc900-lcd", NULL), - DEF_CLKLOOK(&clk_audio, "nuc900-audio", NULL), + DEF_CLKLOOK(&clk_audio, "nuc900-ac97", NULL), DEF_CLKLOOK(&clk_fmi, "nuc900-fmi", NULL), DEF_CLKLOOK(&clk_ms, "nuc900-fmi", "MS"), DEF_CLKLOOK(&clk_sd, "nuc900-fmi", "SD"), diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c index 5b0c38abacc1..78110befb7a9 100644 --- a/arch/arm/mach-w90x900/dev.c +++ b/arch/arm/mach-w90x900/dev.c @@ -501,8 +501,8 @@ static struct resource nuc900_ac97_resource[] = { }; -struct platform_device nuc900_device_audio = { - .name = "nuc900-audio", +struct platform_device nuc900_device_ac97 = { + .name = "nuc900-ac97", .id = -1, .num_resources = ARRAY_SIZE(nuc900_ac97_resource), .resource = nuc900_ac97_resource, @@ -523,7 +523,7 @@ static struct platform_device *nuc900_public_dev[] __initdata = { &nuc900_device_emc, &nuc900_device_spi, &nuc900_device_wdt, - &nuc900_device_audio, + &nuc900_device_ac97, }; /* Provide adding specific CPU platform devices API */ diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c index 9dd74612bb87..c58d142b8a46 100644 --- a/arch/arm/mach-w90x900/mfp.c +++ b/arch/arm/mach-w90x900/mfp.c @@ -155,7 +155,7 @@ void mfp_set_groupg(struct device *dev, const char *subname) } else if (strcmp(dev_id, "nuc900-i2c1") == 0) { mfpen &= ~(GPIOG2TO3); mfpen |= ENI2C1;/*enable i2c1*/ - } else if (strcmp(dev_id, "nuc900-audio") == 0) { + } else if (strcmp(dev_id, "nuc900-ac97") == 0) { mfpen &= ~(GPIOG22TO23); mfpen |= ENAC97;/*enable AC97*/ } else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) { diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index e34ea8adc1f9..6ec1226fc62d 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -22,6 +22,7 @@ #include <linux/memblock.h> #include <asm/mach-types.h> +#include <asm/memblock.h> #include <asm/prom.h> #include <asm/sections.h> #include <asm/setup.h> @@ -307,6 +308,21 @@ static void arm_memory_present(void) } #endif +static bool arm_memblock_steal_permitted = true; + +phys_addr_t arm_memblock_steal(phys_addr_t size, phys_addr_t align) +{ + phys_addr_t phys; + + BUG_ON(!arm_memblock_steal_permitted); + + phys = memblock_alloc(size, align); + memblock_free(phys, size); + memblock_remove(phys, size); + + return phys; +} + void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc) { int i; @@ -349,6 +365,7 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc) if (mdesc->reserve) mdesc->reserve(); + arm_memblock_steal_permitted = false; memblock_allow_resize(); memblock_dump_all(); } diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index 19719329a47b..60278f47c0bd 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -20,6 +20,7 @@ #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/map.h> +#include <asm/memblock.h> #include <plat/tc.h> #include <plat/board.h> @@ -164,14 +165,12 @@ void __init omap_dsp_reserve_sdram_memblock(void) if (!size) return; - paddr = memblock_alloc(size, SZ_1M); + paddr = arm_memblock_steal(size, SZ_1M); if (!paddr) { pr_err("%s: failed to reserve %x bytes\n", __func__, size); return; } - memblock_free(paddr, size); - memblock_remove(paddr, size); omap_dsp_phys_mempool_base = paddr; } diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c index 1121df13e15f..21f1fda8b661 100644 --- a/arch/arm/plat-s3c24xx/cpu.c +++ b/arch/arm/plat-s3c24xx/cpu.c @@ -38,8 +38,6 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/system-reset.h> - #include <mach/regs-gpio.h> #include <plat/regs-serial.h> |