[PATCH] crypto: mxs-dcp: Optimize hashing

[Herbert Xu]

On Mon, Mar 03, 2014 at 01:40:30PM +0100, Marek Vasut wrote:
> Optimize the hashing operation in the MXS-DCP by doing two adjustments:
> 1) Given that the output buffer for the hash is now always correctly aligned,
>    we can just use the buffer for the DCP DMA to store the resulting hash.
>    We thus get rid of one copying of data. Moreover, we remove an entry from
>    dcp_coherent_block{} and thus lower the memory footprint of the driver.
> 2) We map the output buffer for the hash for DMA only in case we will output
>    the hash, not always, as it was now.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: David S. Miller <davem at davemloft.net>
> Cc: Fabio Estevam <fabio.estevam at freescale.com>
> Cc: Herbert Xu <herbert at gondor.apana.org.au>
> Cc: Shawn Guo <shawn.guo at linaro.org>
> Cc: Tom Lendacky <thomas.lendacky at amd.com>

Patch applied.
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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