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c6x: use asm-generic/cacheflush.h
C6x needs almost no cache flushing routines of its own. Rely on asm-generic/cacheflush.h for the defaults. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Mark Salter <msalter@redhat.com> Cc: Aurelien Jacquiot <jacquiot.aurelien@gmail.com> Link: http://lkml.kernel.org/r/20200515143646.3857579-11-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 1 additions and 18 deletions
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@ -16,21 +16,6 @@
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#include <asm/page.h>
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#include <asm/string.h>
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/*
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* virtually-indexed cache management (our cache is physically indexed)
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*/
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#define flush_cache_all() do {} while (0)
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#define flush_cache_mm(mm) do {} while (0)
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#define flush_cache_dup_mm(mm) do {} while (0)
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#define flush_cache_range(mm, start, end) do {} while (0)
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#define flush_cache_page(vma, vmaddr, pfn) do {} while (0)
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#define flush_cache_vmap(start, end) do {} while (0)
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#define flush_cache_vunmap(start, end) do {} while (0)
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#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
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#define flush_dcache_page(page) do {} while (0)
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#define flush_dcache_mmap_lock(mapping) do {} while (0)
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#define flush_dcache_mmap_unlock(mapping) do {} while (0)
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/*
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* physically-indexed cache management
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*/
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@ -49,14 +34,12 @@ do { \
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(unsigned long) page_address(page) + PAGE_SIZE)); \
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} while (0)
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#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
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do { \
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memcpy(dst, src, len); \
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flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
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} while (0)
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#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
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memcpy(dst, src, len)
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#include <asm-generic/cacheflush.h>
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#endif /* _ASM_C6X_CACHEFLUSH_H */
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