On 28. Januar 2015 21:36:25 MEZ, Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx> wrote: >On Wed, Jan 28, 2015 at 08:13:33PM +0100, RICARD Christophe wrote: >> Hi Peter, >> >> A TPM command can be up to 2048 byte, A TPM response can be up to >1024 byte. >> Between command and response, there are latency byte (up to 15 >> usually on st33zp24 2 are enough). >> >> Overall when sending a command and expecting an answer we need in >> worst case: >> 2048 (for the TPM command) + 1024 (for the TPM answer). We need >> some latency byte before the answer is available (max 15). >> We have 2048 + 1024 + 15. >> >> I will go for a define making the code more readable together with a >> comment. > >You can probably just make these static arrays inside your priv >structure and drop these independent allocations: Hmm, doesn' t spi stuff need dma'able buffers? Peter -- Sent from my mobile. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
