From 3bfb2e6b32443841ff90460a78bdefb19f8d61e8 Mon Sep 17 00:00:00 2001 From: Nicolas Iooss Date: Sun, 15 Jan 2017 13:37:50 +0100 Subject: [PATCH] crypto: img-hash - use dma_data_direction when calling dma_map_sg The fourth argument of dma_map_sg() and dma_unmap_sg() is an item of dma_data_direction enum. Function img_hash_xmit_dma() wrongly used DMA_MEM_TO_DEV, which is an item of dma_transfer_direction enum. Replace DMA_MEM_TO_DEV (which value is 1) with DMA_TO_DEVICE (which value is fortunately also 1) when calling dma_map_sg() and dma_unmap_sg(). Signed-off-by: Nicolas Iooss Signed-off-by: Herbert Xu --- drivers/crypto/img-hash.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c index a2e77b87485b..9b07f3d88feb 100644 --- a/drivers/crypto/img-hash.c +++ b/drivers/crypto/img-hash.c @@ -226,7 +226,7 @@ static int img_hash_xmit_dma(struct img_hash_dev *hdev, struct scatterlist *sg) struct dma_async_tx_descriptor *desc; struct img_hash_request_ctx *ctx = ahash_request_ctx(hdev->req); - ctx->dma_ct = dma_map_sg(hdev->dev, sg, 1, DMA_MEM_TO_DEV); + ctx->dma_ct = dma_map_sg(hdev->dev, sg, 1, DMA_TO_DEVICE); if (ctx->dma_ct == 0) { dev_err(hdev->dev, "Invalid DMA sg\n"); hdev->err = -EINVAL; @@ -241,7 +241,7 @@ static int img_hash_xmit_dma(struct img_hash_dev *hdev, struct scatterlist *sg) if (!desc) { dev_err(hdev->dev, "Null DMA descriptor\n"); hdev->err = -EINVAL; - dma_unmap_sg(hdev->dev, sg, 1, DMA_MEM_TO_DEV); + dma_unmap_sg(hdev->dev, sg, 1, DMA_TO_DEVICE); return -EINVAL; } desc->callback = img_hash_dma_callback; -- 2.20.1