From e2bfa4ca23d9b5a7bdfcf21319fad9b59e38a05c Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Thu, 20 Sep 2018 16:30:25 -0700 Subject: [PATCH] mtd: rawnand: sh_flctl: Use proper enum for flctl_dma_fifo0_transfer 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 Signed-off-by: Nathan Chancellor Reviewed-by: Nick Desaulniers Signed-off-by: Miquel Raynal --- drivers/mtd/nand/raw/sh_flctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/raw/sh_flctl.c b/drivers/mtd/nand/raw/sh_flctl.c index c0c0798f268f..4d20d033de7b 100644 --- a/drivers/mtd/nand/raw/sh_flctl.c +++ b/drivers/mtd/nand/raw/sh_flctl.c @@ -480,7 +480,7 @@ static void read_fiforeg(struct sh_flctl *flctl, int rlen, int offset) /* initiate DMA transfer */ if (flctl->chan_fifo0_rx && rlen >= 32 && - flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_DEV_TO_MEM) > 0) + flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_FROM_DEVICE) > 0) goto convert; /* DMA success */ /* do polling transfer */ @@ -539,7 +539,7 @@ static void write_ec_fiforeg(struct sh_flctl *flctl, int rlen, /* initiate DMA transfer */ if (flctl->chan_fifo0_tx && rlen >= 32 && - flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_MEM_TO_DEV) > 0) + flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_TO_DEVICE) > 0) return; /* DMA success */ /* do polling transfer */ -- 2.11.0