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| author | Ofer Heifetz <oferh@marvell.com> | 2018-02-26 16:45:10 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-03-09 17:45:29 +0300 |
| commit | b859202722f8fd046384073e01e68a0742a5553f (patch) | |
| tree | 8a8f371d38ed5c51aa56f35c2b68a45087e5647e /drivers/crypto/inside-secure/safexcel.c | |
| parent | 23ea8b63a1e2e15199da4461eb303f642fa04f60 (diff) | |
| download | linux-b859202722f8fd046384073e01e68a0742a5553f.tar.xz | |
crypto: inside-secure - move hash result dma mapping to request
In heavy traffic the DMA mapping is overwritten by multiple requests as
the DMA address is stored in a global context. This patch moves this
information to the per-hash request context so that it can't be
overwritten.
Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
[Antoine: rebased the patch, small fixes, commit message.]
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/inside-secure/safexcel.c')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 956a37692e42..0c33bdbe48fc 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -538,15 +538,10 @@ finalize: } void safexcel_free_context(struct safexcel_crypto_priv *priv, - struct crypto_async_request *req, - int result_sz) + struct crypto_async_request *req) { struct safexcel_context *ctx = crypto_tfm_ctx(req->tfm); - if (ctx->result_dma) - dma_unmap_single(priv->dev, ctx->result_dma, result_sz, - DMA_FROM_DEVICE); - if (ctx->cache) { dma_unmap_single(priv->dev, ctx->cache_dma, ctx->cache_sz, DMA_TO_DEVICE); |