diff options
Diffstat (limited to 'arch/arc/include/asm/cacheflush.h')
| -rw-r--r-- | arch/arc/include/asm/cacheflush.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/arc/include/asm/cacheflush.h b/arch/arc/include/asm/cacheflush.h index 97ee96f26505..ee1f6eae82d2 100644 --- a/arch/arc/include/asm/cacheflush.h +++ b/arch/arc/include/asm/cacheflush.h @@ -20,12 +20,20 @@ #include <linux/mm.h> +/* + * Semantically we need this because icache doesn't snoop dcache/dma. + * However ARC Cache flush requires paddr as well as vaddr, latter not available + * in the flush_icache_page() API. So we no-op it but do the equivalent work + * in update_mmu_cache() + */ +#define flush_icache_page(vma, page) + void flush_cache_all(void); void flush_icache_range(unsigned long start, unsigned long end); -void flush_icache_page(struct vm_area_struct *vma, struct page *page); -void flush_icache_range_vaddr(unsigned long paddr, unsigned long u_vaddr, - int len); +void __sync_icache_dcache(unsigned long paddr, unsigned long vaddr, int len); +void __inv_icache_page(unsigned long paddr, unsigned long vaddr); +void __flush_dcache_page(unsigned long paddr); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 @@ -58,7 +66,7 @@ void dma_cache_wback(unsigned long start, unsigned long sz); do { \ memcpy(dst, src, len); \ if (vma->vm_flags & VM_EXEC) \ - flush_icache_range_vaddr((unsigned long)(dst), vaddr, len);\ + __sync_icache_dcache((unsigned long)(dst), vaddr, len); \ } while (0) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ |