diff options
Diffstat (limited to 'arch/sh/include/asm/cacheflush.h')
| -rw-r--r-- | arch/sh/include/asm/cacheflush.h | 37 |
1 files changed, 1 insertions, 36 deletions
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h index b1cf30f423af..25b7f46494de 100644 --- a/arch/sh/include/asm/cacheflush.h +++ b/arch/sh/include/asm/cacheflush.h @@ -1,46 +1,11 @@ #ifndef __ASM_SH_CACHEFLUSH_H #define __ASM_SH_CACHEFLUSH_H -#include <linux/mm.h> - #ifdef __KERNEL__ -#ifdef CONFIG_CACHE_OFF -/* - * Nothing to do when the cache is disabled, initial flush and explicit - * disabling is handled at CPU init time. - * - * See arch/sh/kernel/cpu/init.c:cache_init(). - */ -#define flush_cache_all() do { } while (0) -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) -#define flush_dcache_page(page) do { } while (0) -#define flush_icache_range(start, end) do { } while (0) -#define flush_icache_page(vma,pg) do { } while (0) -#define flush_cache_sigtramp(vaddr) do { } while (0) -#define __flush_wback_region(start, size) do { (void)(start); } while (0) -#define __flush_purge_region(start, size) do { (void)(start); } while (0) -#define __flush_invalidate_region(start, size) do { (void)(start); } while (0) -#else +#include <linux/mm.h> #include <cpu/cacheflush.h> -/* - * Consistent DMA requires that the __flush_xxx() primitives must be set - * for any of the enabled non-coherent caches (most of the UP CPUs), - * regardless of PIPT or VIPT cache configurations. - */ - -/* Flush (write-back only) a region (smaller than a page) */ -extern void __flush_wback_region(void *start, int size); -/* Flush (write-back & invalidate) a region (smaller than a page) */ -extern void __flush_purge_region(void *start, int size); -/* Flush (invalidate only) a region (smaller than a page) */ -extern void __flush_invalidate_region(void *start, int size); -#endif - #define ARCH_HAS_FLUSH_ANON_PAGE extern void __flush_anon_page(struct page *page, unsigned long); |