diff mbox series

[15/31] microblaze: use asm-generic/cacheflush.h

Message ID 20200510075510.987823-16-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/31] arm: fix the flush_icache_range arguments in set_fiq_handler | expand

Commit Message

Christoph Hellwig May 10, 2020, 7:54 a.m. UTC 
Microblaze 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>
---
 arch/microblaze/include/asm/cacheflush.h | 29 ++----------------------
 1 file changed, 2 insertions(+), 27 deletions(-)
diff mbox series

Patch

diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h
index 11f56c85056bb..39f8fb6768d8b 100644
--- a/arch/microblaze/include/asm/cacheflush.h
+++ b/arch/microblaze/include/asm/cacheflush.h
@@ -57,9 +57,6 @@  void microblaze_cache_init(void);
 #define invalidate_icache()				mbc->iin();
 #define invalidate_icache_range(start, end)		mbc->iinr(start, end);
 
-#define flush_icache_user_range(vma, pg, adr, len)	flush_icache();
-#define flush_icache_page(vma, pg)			do { } while (0)
-
 #define enable_dcache()					mbc->de();
 #define disable_dcache()				mbc->dd();
 /* FIXME for LL-temac driver */
@@ -77,27 +74,9 @@  do { \
 	flush_dcache_range((unsigned) (addr), (unsigned) (addr) + PAGE_SIZE); \
 } while (0);
 
-#define flush_dcache_mmap_lock(mapping)		do { } while (0)
-#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
-
-#define flush_cache_dup_mm(mm)				do { } while (0)
-#define flush_cache_vmap(start, end)			do { } while (0)
-#define flush_cache_vunmap(start, end)			do { } while (0)
-#define flush_cache_mm(mm)			do { } while (0)
-
 #define flush_cache_page(vma, vmaddr, pfn) \
 	flush_dcache_range(pfn << PAGE_SHIFT, (pfn << PAGE_SHIFT) + PAGE_SIZE);
 
-/* MS: kgdb code use this macro, wrong len with FLASH */
-#if 0
-#define flush_cache_range(vma, start, len)	{	\
-	flush_icache_range((unsigned) (start), (unsigned) (start) + (len)); \
-	flush_dcache_range((unsigned) (start), (unsigned) (start) + (len)); \
-}
-#endif
-
-#define flush_cache_range(vma, start, len) do { } while (0)
-
 static inline void copy_to_user_page(struct vm_area_struct *vma,
 				     struct page *page, unsigned long vaddr,
 				     void *dst, void *src, int len)
@@ -109,12 +88,8 @@  static inline void copy_to_user_page(struct vm_area_struct *vma,
 		flush_dcache_range(addr, addr + PAGE_SIZE);
 	}
 }
+#define copy_to_user_page copy_to_user_page
 
-static inline void copy_from_user_page(struct vm_area_struct *vma,
-				       struct page *page, unsigned long vaddr,
-				       void *dst, void *src, int len)
-{
-	memcpy(dst, src, len);
-}
+#include <asm-generic/cacheflush.h>
 
 #endif /* _ASM_MICROBLAZE_CACHEFLUSH_H */