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在 2021/2/9 14:59, chenxiang 写道:
From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
According to Documentation/core-api/dma-api-howto.rst, the parameters
of dma_unmap_sg() must be the same as those which are passed in to the
scatter/gather mapping API.
But for some drivers under crypto, the <nents> parameter of dma_unmap_sg()
is number of elements after mapping. So fix them.
Part of the document is as follows:
To unmap a scatterlist, just call::
dma_unmap_sg(dev, sglist, nents, direction);
Again, make sure DMA activity has already finished.
.. note::
The 'nents' argument to the dma_unmap_sg call must be
the _same_ one you passed into the dma_map_sg call,
it should _NOT_ be the 'count' value _returned_ from the
dma_map_sg call.
chenxiang (4):
crypto: amlogic - Fix the parameter of dma_unmap_sg()
crypto: cavium - Fix the parameter of dma_unmap_sg()
crypto: ux500 - Fix the parameter of dma_unmap_sg()
crypto: allwinner - Fix the parameter of dma_unmap_sg()
drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c | 9 ++++++---
drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c | 3 ++-
drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c | 9 ++++++---
drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 3 ++-
drivers/crypto/amlogic/amlogic-gxl-cipher.c | 6 +++---
drivers/crypto/cavium/nitrox/nitrox_reqmgr.c | 8 ++++----
drivers/crypto/ux500/cryp/cryp_core.c | 4 ++--
drivers/crypto/ux500/hash/hash_core.c | 2 +-
8 files changed, 26 insertions(+), 18 deletions(-)
