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authorOlof Johansson <olof@lixom.net>2012-09-22 01:53:48 -0400
committerOlof Johansson <olof@lixom.net>2012-09-22 01:54:15 -0400
commitb536661bb0091b19123fa0c22f7087fd886d7b37 (patch)
treee83c4ff9bbfe94155cbc7b25fb3b62b814e79ad7 /arch/arm/mm
parent20804abdbcfced47b460e5794a685d48225ac754 (diff)
parentfb997a46626dca2778fa7570bb516d8486f2f837 (diff)
Merge branch 'v3.7-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/fixes-non-critical
A few non-critical fixes/cleanups for samsung platforms. * 'v3.7-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: SAMSUNG: Add missing variable declaration in s3c64xx_spi1_set_platdata() ARM: S3C24XX: removes unnecessary semicolon ARM: S3C24xx: delete double assignment ARM: EXYNOS: fix address for EXYNOS4 MDMA1 ARM: EXYNOS: fixed SYSMMU setup definition to mate parameter name + sync to 3.6-rc6
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/context.c7
-rw-r--r--arch/arm/mm/dma-mapping.c2
-rw-r--r--arch/arm/mm/mm.h3
-rw-r--r--arch/arm/mm/mmu.c8
4 files changed, 12 insertions, 8 deletions
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 119bc52ab93e..4e07eec1270d 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -63,10 +63,11 @@ static int contextidr_notifier(struct notifier_block *unused, unsigned long cmd,
63 pid = task_pid_nr(thread->task) << ASID_BITS; 63 pid = task_pid_nr(thread->task) << ASID_BITS;
64 asm volatile( 64 asm volatile(
65 " mrc p15, 0, %0, c13, c0, 1\n" 65 " mrc p15, 0, %0, c13, c0, 1\n"
66 " bfi %1, %0, #0, %2\n" 66 " and %0, %0, %2\n"
67 " mcr p15, 0, %1, c13, c0, 1\n" 67 " orr %0, %0, %1\n"
68 " mcr p15, 0, %0, c13, c0, 1\n"
68 : "=r" (contextidr), "+r" (pid) 69 : "=r" (contextidr), "+r" (pid)
69 : "I" (ASID_BITS)); 70 : "I" (~ASID_MASK));
70 isb(); 71 isb();
71 72
72 return NOTIFY_OK; 73 return NOTIFY_OK;
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 051204fc4617..e59c4ab71bcb 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -489,7 +489,7 @@ static bool __in_atomic_pool(void *start, size_t size)
489 void *pool_start = pool->vaddr; 489 void *pool_start = pool->vaddr;
490 void *pool_end = pool->vaddr + pool->size; 490 void *pool_end = pool->vaddr + pool->size;
491 491
492 if (start < pool_start || start > pool_end) 492 if (start < pool_start || start >= pool_end)
493 return false; 493 return false;
494 494
495 if (end <= pool_end) 495 if (end <= pool_end)
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 6776160618ef..a8ee92da3544 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -55,6 +55,9 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page
55/* permanent static mappings from iotable_init() */ 55/* permanent static mappings from iotable_init() */
56#define VM_ARM_STATIC_MAPPING 0x40000000 56#define VM_ARM_STATIC_MAPPING 0x40000000
57 57
58/* empty mapping */
59#define VM_ARM_EMPTY_MAPPING 0x20000000
60
58/* mapping type (attributes) for permanent static mappings */ 61/* mapping type (attributes) for permanent static mappings */
59#define VM_ARM_MTYPE(mt) ((mt) << 20) 62#define VM_ARM_MTYPE(mt) ((mt) << 20)
60#define VM_ARM_MTYPE_MASK (0x1f << 20) 63#define VM_ARM_MTYPE_MASK (0x1f << 20)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 4c2d0451e84a..c2fa21d0103e 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -807,7 +807,7 @@ static void __init pmd_empty_section_gap(unsigned long addr)
807 vm = early_alloc_aligned(sizeof(*vm), __alignof__(*vm)); 807 vm = early_alloc_aligned(sizeof(*vm), __alignof__(*vm));
808 vm->addr = (void *)addr; 808 vm->addr = (void *)addr;
809 vm->size = SECTION_SIZE; 809 vm->size = SECTION_SIZE;
810 vm->flags = VM_IOREMAP | VM_ARM_STATIC_MAPPING; 810 vm->flags = VM_IOREMAP | VM_ARM_EMPTY_MAPPING;
811 vm->caller = pmd_empty_section_gap; 811 vm->caller = pmd_empty_section_gap;
812 vm_area_add_early(vm); 812 vm_area_add_early(vm);
813} 813}
@@ -820,7 +820,7 @@ static void __init fill_pmd_gaps(void)
820 820
821 /* we're still single threaded hence no lock needed here */ 821 /* we're still single threaded hence no lock needed here */
822 for (vm = vmlist; vm; vm = vm->next) { 822 for (vm = vmlist; vm; vm = vm->next) {
823 if (!(vm->flags & VM_ARM_STATIC_MAPPING)) 823 if (!(vm->flags & (VM_ARM_STATIC_MAPPING | VM_ARM_EMPTY_MAPPING)))
824 continue; 824 continue;
825 addr = (unsigned long)vm->addr; 825 addr = (unsigned long)vm->addr;
826 if (addr < next) 826 if (addr < next)
@@ -961,8 +961,8 @@ void __init sanity_check_meminfo(void)
961 * Check whether this memory bank would partially overlap 961 * Check whether this memory bank would partially overlap
962 * the vmalloc area. 962 * the vmalloc area.
963 */ 963 */
964 if (__va(bank->start + bank->size) > vmalloc_min || 964 if (__va(bank->start + bank->size - 1) >= vmalloc_min ||
965 __va(bank->start + bank->size) < __va(bank->start)) { 965 __va(bank->start + bank->size - 1) <= __va(bank->start)) {
966 unsigned long newsize = vmalloc_min - __va(bank->start); 966 unsigned long newsize = vmalloc_min - __va(bank->start);
967 printk(KERN_NOTICE "Truncating RAM at %.8llx-%.8llx " 967 printk(KERN_NOTICE "Truncating RAM at %.8llx-%.8llx "
968 "to -%.8llx (vmalloc region overlap).\n", 968 "to -%.8llx (vmalloc region overlap).\n",