spi: pic32: Use proper enum in dmaengine_prep_slave_rg
[ Upstream commit 8cfde7847d5ed0bb77bace41519572963e43cd17 ] Clang warns when one enumerated type is converted implicitly to another: drivers/spi/spi-pic32.c:323:8: warning: implicit conversion from enumeration type 'enum dma_data_direction' to different enumeration type 'enum dma_transfer_direction' [-Wenum-conversion] DMA_FROM_DEVICE, ^~~~~~~~~~~~~~~ drivers/spi/spi-pic32.c:333:8: warning: implicit conversion from enumeration type 'enum dma_data_direction' to different enumeration type 'enum dma_transfer_direction' [-Wenum-conversion] DMA_TO_DEVICE, ^~~~~~~~~~~~~ 2 warnings generated. Use the proper enums from dma_transfer_direction (DMA_FROM_DEVICE = DMA_DEV_TO_MEM = 2, DMA_TO_DEVICE = DMA_MEM_TO_DEV = 1) to satify Clang. Link: https://github.com/ClangBuiltLinux/linux/issues/159Signed-off-by: NNathan Chancellor <natechancellor@gmail.com> Signed-off-by: NMark Brown <broonie@kernel.org> Signed-off-by: NSasha Levin <sashal@kernel.org>
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