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 <[email protected]>
> Cc: David S. Miller <[email protected]>
> Cc: Fabio Estevam <[email protected]>
> Cc: Herbert Xu <[email protected]>
> Cc: Shawn Guo <[email protected]>
> Cc: Tom Lendacky <[email protected]>
Patch applied.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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