crypto: sun4i-ss - simplify the pad length calculation

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When sending the last block of data to the engine, it should be padded
so that the total length of the request can be given to the engine as
the last 2 words of the last 64 bytes block.

Simplify the calculation of this pad offset.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Antoine Ténart 2017-06-01 21:38:58 +02:00 • committed by Herbert Xu

parent 7e6df1f7a3

commit 214a9bd0f8

1 changed files with 12 additions and 17 deletions

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drivers/crypto/sunxi-ss/sun4i-ss-hash.c

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