[PATCH 02/12] mips: don't use dma_cache_sync to implement fd_cacheflush
From: Christoph Hellwig <hch@lst.de>
Date: 2017-08-27 16:10:52
Also in:
linux-iommu, linux-mips, linux-sh, lkml
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
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(-)
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
--
2.11.0