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Clang warns when one enumerated type is converted implicitly to another:
drivers/mtd/nand/raw/sh_flctl.c:483:46: warning: implicit conversion
from enumeration type 'enum dma_transfer_direction' to different
enumeration type 'enum dma_data_direction' [-Wenum-conversion]
flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_DEV_TO_MEM) > 0)
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
drivers/mtd/nand/raw/sh_flctl.c:542:46: warning: implicit conversion
from enumeration type 'enum dma_transfer_direction' to different
enumeration type 'enum dma_data_direction' [-Wenum-conversion]
flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_MEM_TO_DEV) > 0)
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
2 warnings generated.
Use the proper enums from dma_data_direction to satisfy Clang.
DMA_MEM_TO_DEV = DMA_TO_DEVICE = 1
DMA_DEV_TO_MEM = DMA_FROM_DEVICE = 2
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>