[02/12] mips: don't use dma_cache_sync to implement fd_cacheflush
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Message ID 20170827161032.22772-3-hch@lst.de
State New
Headers show

Commit Message

Christoph Hellwig Aug. 27, 2017, 4:10 p.m. UTC
The floppy drivers doesn't otherwise use the DMA API, so indirecting
through it just for cache flushing in MIPS-specific code just call
dma_cache_wback_inv directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/mips/include/asm/floppy.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/arch/mips/include/asm/floppy.h b/arch/mips/include/asm/floppy.h
index d75aed36480a..021d09ae5670 100644
--- a/arch/mips/include/asm/floppy.h
+++ b/arch/mips/include/asm/floppy.h
@@ -10,11 +10,11 @@ 
 #ifndef _ASM_FLOPPY_H
 #define _ASM_FLOPPY_H
 
-#include <linux/dma-mapping.h>
+#include <asm/io.h>
 
 static inline void fd_cacheflush(char * addr, long size)
 {
-	dma_cache_sync(NULL, addr, size, DMA_BIDIRECTIONAL);
+	dma_cache_wback_inv((unsigned long)addr, size);
 }
 
 #define MAX_BUFFER_SECTORS 24