diff options
Diffstat (limited to 'include/asm-mips/cacheflush.h')
-rw-r--r-- | include/asm-mips/cacheflush.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h index 47bc8f6c20d2..36416fdfcf68 100644 --- a/include/asm-mips/cacheflush.h +++ b/include/asm-mips/cacheflush.h | |||
@@ -21,7 +21,6 @@ | |||
21 | * - flush_cache_range(vma, start, end) flushes a range of pages | 21 | * - flush_cache_range(vma, start, end) flushes a range of pages |
22 | * - flush_icache_range(start, end) flush a range of instructions | 22 | * - flush_icache_range(start, end) flush a range of instructions |
23 | * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache | 23 | * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache |
24 | * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache | ||
25 | * | 24 | * |
26 | * MIPS specific flush operations: | 25 | * MIPS specific flush operations: |
27 | * | 26 | * |
@@ -39,7 +38,7 @@ extern void __flush_dcache_page(struct page *page); | |||
39 | 38 | ||
40 | static inline void flush_dcache_page(struct page *page) | 39 | static inline void flush_dcache_page(struct page *page) |
41 | { | 40 | { |
42 | if (cpu_has_dc_aliases) | 41 | if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc) |
43 | __flush_dcache_page(page); | 42 | __flush_dcache_page(page); |
44 | 43 | ||
45 | } | 44 | } |
@@ -47,8 +46,13 @@ static inline void flush_dcache_page(struct page *page) | |||
47 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | 46 | #define flush_dcache_mmap_lock(mapping) do { } while (0) |
48 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | 47 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) |
49 | 48 | ||
50 | extern void (*flush_icache_page)(struct vm_area_struct *vma, | 49 | extern void (*__flush_icache_page)(struct vm_area_struct *vma, |
51 | struct page *page); | 50 | struct page *page); |
51 | static inline void flush_icache_page(struct vm_area_struct *vma, | ||
52 | struct page *page) | ||
53 | { | ||
54 | } | ||
55 | |||
52 | extern void (*flush_icache_range)(unsigned long start, unsigned long end); | 56 | extern void (*flush_icache_range)(unsigned long start, unsigned long end); |
53 | #define flush_cache_vmap(start, end) flush_cache_all() | 57 | #define flush_cache_vmap(start, end) flush_cache_all() |
54 | #define flush_cache_vunmap(start, end) flush_cache_all() | 58 | #define flush_cache_vunmap(start, end) flush_cache_all() |
@@ -60,7 +64,7 @@ static inline void copy_to_user_page(struct vm_area_struct *vma, | |||
60 | if (cpu_has_dc_aliases) | 64 | if (cpu_has_dc_aliases) |
61 | flush_cache_page(vma, vaddr, page_to_pfn(page)); | 65 | flush_cache_page(vma, vaddr, page_to_pfn(page)); |
62 | memcpy(dst, src, len); | 66 | memcpy(dst, src, len); |
63 | flush_icache_page(vma, page); | 67 | __flush_icache_page(vma, page); |
64 | } | 68 | } |
65 | 69 | ||
66 | static inline void copy_from_user_page(struct vm_area_struct *vma, | 70 | static inline void copy_from_user_page(struct vm_area_struct *vma, |