Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.8 20/33] crypto: marvell - Dont copy hash operation twice into the SRAM | Date | Tue, 13 Dec 2016 09:16:21 -0800 |
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4.8-stable review patch. If anyone has any objections, please let me know.
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From: Romain Perier <romain.perier@free-electrons.com>
commit 68c7f8c1c4e9b06e6b153fa3e9e0cda2ef5aaed8 upstream.
No need to copy the template of an hash operation twice into the SRAM from the step function.
Fixes: commit 85030c5168f1 ("crypto: marvell - Add support for chai...") Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/crypto/marvell/hash.c | 3 --- 1 file changed, 3 deletions(-)
--- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -172,9 +172,6 @@ static void mv_cesa_ahash_std_step(struc for (i = 0; i < digsize / 4; i++) writel_relaxed(creq->state[i], engine->regs + CESA_IVDIG(i)); - mv_cesa_adjust_op(engine, &creq->op_tmpl); - memcpy_toio(engine->sram, &creq->op_tmpl, sizeof(creq->op_tmpl)); - if (creq->cache_ptr) memcpy_toio(engine->sram + CESA_SA_DATA_SRAM_OFFSET, creq->cache, creq->cache_ptr);
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