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author | Nathan Chancellor <natechancellor@gmail.com> | 2018-09-25 00:32:03 -0700 |
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committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-10-08 21:28:26 +0200 |
commit | 900f5e0d8c9edc5dacc57873d22aee2ae699a8e1 (patch) | |
tree | 22b95518a515782d951b116ada9d42b2505b4913 /drivers/mtd | |
parent | b038e8e3be724dd293a0849f5fe267fdddcca9dd (diff) | |
download | linux-900f5e0d8c9edc5dacc57873d22aee2ae699a8e1.tar.gz |
mtd: spi-nor: cadence-quadspi: Use proper enum for dma_[un]map_single
Clang warns when one enumerated type is converted implicitly to another. drivers/mtd/spi-nor/cadence-quadspi.c:962:47: warning: implicit conversion from enumeration type 'enum dma_transfer_direction' to different enumeration type 'enum dma_data_direction' [-Wenum-conversion] dma_dst = dma_map_single(nor->dev, buf, len, DMA_DEV_TO_MEM); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ ./include/linux/dma-mapping.h:428:66: note: expanded from macro 'dma_map_single' ~~~~~~~~~~~~~~~~~~~~ ^ drivers/mtd/spi-nor/cadence-quadspi.c:997:43: warning: implicit conversion from enumeration type 'enum dma_transfer_direction' to different enumeration type 'enum dma_data_direction' [-Wenum-conversion] dma_unmap_single(nor->dev, dma_dst, len, DMA_DEV_TO_MEM); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ ./include/linux/dma-mapping.h:429:70: note: expanded from macro 'dma_unmap_single' ~~~~~~~~~~~~~~~~~~~~~~ ^ 2 warnings generated. Use the proper enums from dma_data_direction to satisfy Clang. DMA_FROM_DEVICE = DMA_DEV_TO_MEM = 2 Link: https://github.com/ClangBuiltLinux/linux/issues/108 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/spi-nor/cadence-quadspi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c index 8e714fbfa521..e24db817154e 100644 --- a/drivers/mtd/spi-nor/cadence-quadspi.c +++ b/drivers/mtd/spi-nor/cadence-quadspi.c @@ -959,7 +959,7 @@ static int cqspi_direct_read_execute(struct spi_nor *nor, u_char *buf, return 0; } - dma_dst = dma_map_single(nor->dev, buf, len, DMA_DEV_TO_MEM); + dma_dst = dma_map_single(nor->dev, buf, len, DMA_FROM_DEVICE); if (dma_mapping_error(nor->dev, dma_dst)) { dev_err(nor->dev, "dma mapping failed\n"); return -ENOMEM; @@ -994,7 +994,7 @@ static int cqspi_direct_read_execute(struct spi_nor *nor, u_char *buf, } err_unmap: - dma_unmap_single(nor->dev, dma_dst, len, DMA_DEV_TO_MEM); + dma_unmap_single(nor->dev, dma_dst, len, DMA_FROM_DEVICE); return 0; } |