Commit 9e730ffa authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds
Browse files

m68knommu: use asm-generic/cacheflush.h



m68knommu needs almost no cache flushing routines of its own.  Rely on
asm-generic/cacheflush.h for the defaults.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Acked-by: default avatarGreg Ungerer <gerg@linux-m68k.org>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: http://lkml.kernel.org/r/20200515143646.3857579-15-hch@lst.de


Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 03518c82
Loading
Loading
Loading
Loading
+2 −17
Original line number Diff line number Diff line
@@ -9,25 +9,8 @@
#include <asm/mcfsim.h>

#define flush_cache_all()			__flush_cache_all()
#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)		do { } while (0)
#define flush_dcache_range(start, len)		__flush_dcache_all()
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
#define flush_dcache_page(page)			do { } while (0)
#define flush_dcache_mmap_lock(mapping)		do { } while (0)
#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
#define flush_icache_range(start, len)		__flush_icache_all()
#define flush_icache_page(vma,pg)		do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
#define flush_cache_vmap(start, end)		do { } while (0)
#define flush_cache_vunmap(start, end)		do { } while (0)

#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
	memcpy(dst, src, len)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
	memcpy(dst, src, len)

void mcf_cache_push(void);

@@ -98,4 +81,6 @@ static inline void cache_clear(unsigned long paddr, int len)
	__clear_cache_all();
}

#include <asm-generic/cacheflush.h>

#endif /* _M68KNOMMU_CACHEFLUSH_H */