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path: root/drivers/crypto/omap-aes.c (follow)
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2011-01-29crypto: omap-aes - don't treat NULL clk as an errorJamie Iles1-2/+2
clk_get() returns a struct clk cookie to the driver and some platforms may return NULL if they only support a single clock. clk_get() has only failed if it returns a ERR_PTR() encoded pointer. Signed-off-by: Jamie Iles <jamie@jamieiles.com> Reviewed-and-tested-by: Tobias Karnat <tobias.karnat@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-12-02crypto: omap-aes - checkpatch --file warning fixesDmitry Kasatkin1-3/+3
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-12-02crypto: omap-aes - initialize aes module once per requestDmitry Kasatkin1-26/+28
AES module was initialized for every DMA transaction. That is redundant. Now it is initialized once per request. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-12-02crypto: omap-aes - unnecessary code removedDmitry Kasatkin1-53/+17
Key and IV should always be set before AES operation. So no need to check if it has changed or not. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-12-02crypto: omap-aes - error handling implementation improvedDmitry Kasatkin1-41/+93
Previous version had not error handling. Request could remain uncompleted. Also in the case of DMA error, FLAGS_INIT is unset and accelerator will be initialized again. Buffer size allignment is checked. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-12-02crypto: omap-aes - redundant locking is removedDmitry Kasatkin1-38/+32
Submitting request involved double locking for enqueuing and dequeuing. Now it is done under the same lock. FLAGS_BUSY is now handled under the same lock. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-12-02crypto: omap-aes - DMA initialization fixes for OMAP off modeDmitry Kasatkin1-12/+12
DMA parameters for constant data were initialized during driver probe(). It seems that those settings sometimes are lost when devices goes to off mode. This patch makes DMA initialization just before use. It solves off mode problems. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2010-09-03crypto: omap-aes - OMAP2/3 AES hw accelerator driverDmitry Kasatkin1-0/+948
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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