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@xxxxxxx> > Cc: David S. Miller <davem@xxxxxxxxxxxxx> > Cc: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx> > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > Cc: Shawn Guo <shawn.guo@xxxxxxxxxx> > Cc: Tom Lendacky <thomas.lendacky@xxxxxxx> Patch applied. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html