diff options
Diffstat (limited to 'arch/arm/mm/flush.c')
-rw-r--r-- | arch/arm/mm/flush.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 330695b6b19d..b103e56806bd 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c | |||
@@ -24,14 +24,16 @@ | |||
24 | static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) | 24 | static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) |
25 | { | 25 | { |
26 | unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT); | 26 | unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT); |
27 | const int zero = 0; | ||
27 | 28 | ||
28 | set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL)); | 29 | set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL)); |
29 | flush_tlb_kernel_page(to); | 30 | flush_tlb_kernel_page(to); |
30 | 31 | ||
31 | asm( "mcrr p15, 0, %1, %0, c14\n" | 32 | asm( "mcrr p15, 0, %1, %0, c14\n" |
32 | " mcrr p15, 0, %1, %0, c5\n" | 33 | " mcr p15, 0, %2, c7, c10, 4\n" |
34 | " mcr p15, 0, %2, c7, c5, 0\n" | ||
33 | : | 35 | : |
34 | : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES) | 36 | : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero) |
35 | : "cc"); | 37 | : "cc"); |
36 | } | 38 | } |
37 | 39 | ||