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| author |   Antoine Tenart <antoine.tenart@bootlin.com> | 2018-02-26 14:45:11 +0100 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-03-09 22:45:30 +0800 |
| commit | cff9a17545a3c64e91ea913245eae41d28f51d8d (patch) | |
| tree | bc0e5df2e513c5f43c14653ce6183ea88125915f /drivers/crypto/inside-secure/safexcel.c | |
| parent | crypto: inside-secure - move hash result dma mapping to request (diff) | |
| download | linux-dev-cff9a17545a3c64e91ea913245eae41d28f51d8d.tar.xz linux-dev-cff9a17545a3c64e91ea913245eae41d28f51d8d.zip | |
crypto: inside-secure - move cache 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: 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 | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 0c33bdbe48fc..384b4ceb37f0 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -537,20 +537,6 @@ finalize: EIP197_HIA_CDR(priv, ring) + EIP197_HIA_xDR_PREP_COUNT); } -void safexcel_free_context(struct safexcel_crypto_priv *priv, - struct crypto_async_request *req) -{ - struct safexcel_context *ctx = crypto_tfm_ctx(req->tfm); - - if (ctx->cache) { - dma_unmap_single(priv->dev, ctx->cache_dma, ctx->cache_sz, - DMA_TO_DEVICE); - kfree(ctx->cache); - ctx->cache = NULL; - ctx->cache_sz = 0; - } -} - void safexcel_complete(struct safexcel_crypto_priv *priv, int ring) { struct safexcel_command_desc *cdesc; |