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Diffstat (limited to 'include/asm-mips/cacheflush.h')
-rw-r--r--include/asm-mips/cacheflush.h12
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
40static inline void flush_dcache_page(struct page *page) 39static 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
50extern void (*flush_icache_page)(struct vm_area_struct *vma, 49extern void (*__flush_icache_page)(struct vm_area_struct *vma,
51 struct page *page); 50 struct page *page);
51static inline void flush_icache_page(struct vm_area_struct *vma,
52 struct page *page)
53{
54}
55
52extern void (*flush_icache_range)(unsigned long start, unsigned long end); 56extern 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
66static inline void copy_from_user_page(struct vm_area_struct *vma, 70static inline void copy_from_user_page(struct vm_area_struct *vma,