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authorJames Bottomley <JBottomley@Parallels.com>2011-07-23 13:09:03 -0400
committerJames Bottomley <JBottomley@Parallels.com>2011-07-23 13:09:03 -0400
commit87045b033a62777337ae4aa62834876da09b5fb5 (patch)
tree26aefd28e436668ff906e42b1e0d75c056e33e01 /arch/arm/mm
parent0d83ab65ff1b54ce8b6cd172285cf71a38c4cceb (diff)
parentbfe159a51203c15d23cb3158fffdc25ec4b4dda1 (diff)
Merge branch 'scsi-fixes'
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/cache-l2x0.c19
-rw-r--r--arch/arm/mm/mmu.c5
-rw-r--r--arch/arm/mm/nommu.c4
3 files changed, 20 insertions, 8 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index ef59099a5463..44c086710d2b 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -120,17 +120,22 @@ static void l2x0_cache_sync(void)
120 spin_unlock_irqrestore(&l2x0_lock, flags); 120 spin_unlock_irqrestore(&l2x0_lock, flags);
121} 121}
122 122
123static void l2x0_flush_all(void) 123static void __l2x0_flush_all(void)
124{ 124{
125 unsigned long flags;
126
127 /* clean all ways */
128 spin_lock_irqsave(&l2x0_lock, flags);
129 debug_writel(0x03); 125 debug_writel(0x03);
130 writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY); 126 writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY);
131 cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask); 127 cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask);
132 cache_sync(); 128 cache_sync();
133 debug_writel(0x00); 129 debug_writel(0x00);
130}
131
132static void l2x0_flush_all(void)
133{
134 unsigned long flags;
135
136 /* clean all ways */
137 spin_lock_irqsave(&l2x0_lock, flags);
138 __l2x0_flush_all();
134 spin_unlock_irqrestore(&l2x0_lock, flags); 139 spin_unlock_irqrestore(&l2x0_lock, flags);
135} 140}
136 141
@@ -266,7 +271,9 @@ static void l2x0_disable(void)
266 unsigned long flags; 271 unsigned long flags;
267 272
268 spin_lock_irqsave(&l2x0_lock, flags); 273 spin_lock_irqsave(&l2x0_lock, flags);
269 writel(0, l2x0_base + L2X0_CTRL); 274 __l2x0_flush_all();
275 writel_relaxed(0, l2x0_base + L2X0_CTRL);
276 dsb();
270 spin_unlock_irqrestore(&l2x0_lock, flags); 277 spin_unlock_irqrestore(&l2x0_lock, flags);
271} 278}
272 279
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 9d9e736c2b4f..594d677b92c8 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -759,7 +759,7 @@ early_param("vmalloc", early_vmalloc);
759 759
760static phys_addr_t lowmem_limit __initdata = 0; 760static phys_addr_t lowmem_limit __initdata = 0;
761 761
762static void __init sanity_check_meminfo(void) 762void __init sanity_check_meminfo(void)
763{ 763{
764 int i, j, highmem = 0; 764 int i, j, highmem = 0;
765 765
@@ -1032,8 +1032,9 @@ void __init paging_init(struct machine_desc *mdesc)
1032{ 1032{
1033 void *zero_page; 1033 void *zero_page;
1034 1034
1035 memblock_set_current_limit(lowmem_limit);
1036
1035 build_mem_type_table(); 1037 build_mem_type_table();
1036 sanity_check_meminfo();
1037 prepare_page_table(); 1038 prepare_page_table();
1038 map_lowmem(); 1039 map_lowmem();
1039 devicemaps_init(mdesc); 1040 devicemaps_init(mdesc);
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 687d02319a41..941a98c9e8aa 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -27,6 +27,10 @@ void __init arm_mm_memblock_reserve(void)
27 memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE); 27 memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE);
28} 28}
29 29
30void __init sanity_check_meminfo(void)
31{
32}
33
30/* 34/*
31 * paging_init() sets up the page tables, initialises the zone memory 35 * paging_init() sets up the page tables, initialises the zone memory
32 * maps, and sets up the zero page, bad page and bad page tables. 36 * maps, and sets up the zero page, bad page and bad page tables.