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AES module was initialized for every DMA transaction.
That is redundant.
Now it is initialized once per request.
Signed-off-by: Dmitry Kasatkin <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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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 <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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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 <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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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 <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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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 <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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Signed-off-by: Dmitry Kasatkin <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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