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crypto: ux500 - Fix the parameter of dma_unmap_sg()

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For function dma_unmap_sg(), the <nents> parameter should be number of
elements in the scatterlist prior to the mapping, not after the mapping.
So fix this usage.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Xiang Chen 2021-03-16 09:55:25 +08:00 committed by Herbert Xu
parent c114ecd3a1
commit ade18fb4df
2 changed files with 3 additions and 3 deletions
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4
drivers/crypto/ux500/cryp/cryp_core.c
View File

@ -608,12 +608,12 @@ static void cryp_dma_done(struct cryp_ctx *ctx)
chan = ctx->device->dma.chan_mem2cryp;
dmaengine_terminate_all(chan);
dma_unmap_sg(chan->device->dev, ctx->device->dma.sg_src,
ctx->device->dma.sg_src_len, DMA_TO_DEVICE);
ctx->device->dma.nents_src, DMA_TO_DEVICE);
chan = ctx->device->dma.chan_cryp2mem;
dmaengine_terminate_all(chan);
dma_unmap_sg(chan->device->dev, ctx->device->dma.sg_dst,
ctx->device->dma.sg_dst_len, DMA_FROM_DEVICE);
ctx->device->dma.nents_dst, DMA_FROM_DEVICE);
}
static int cryp_dma_write(struct cryp_ctx *ctx, struct scatterlist *sg,

2
drivers/crypto/ux500/hash/hash_core.c
View File

@ -190,7 +190,7 @@ static void hash_dma_done(struct hash_ctx *ctx)
chan = ctx->device->dma.chan_mem2hash;
dmaengine_terminate_all(chan);
dma_unmap_sg(chan->device->dev, ctx->device->dma.sg,
ctx->device->dma.sg_len, DMA_TO_DEVICE);
ctx->device->dma.nents, DMA_TO_DEVICE);
}
static int hash_dma_write(struct hash_ctx *ctx,