Johannes Berg <johannes@xxxxxxxxxxxxxxxx> writes: > On Thu, 2009-04-23 at 20:49 +0300, Kalle Valo wrote: > >> No problem, I can update wl12xx as soon as you finalise the interface. >> Just let me know. > > Well, I just posted it earlier as [PATCH] :) Thanks, I'll start working on it tomorrow. >> > how about IPv4 alignment? Could you read the packet header first, >> > memmove that and then read the rest, i.e. do two wl12xx_spi_mem_read >> > calls? Might or might not be more efficient... >> >> SPI access add latency, it would be faster to read as much as possible >> in one transaction. > > Question is how it measures against the CPU doing memmove() on the > entire frame when necessary. I don't have any numbers, but for example omap2_mcspi is scheduling processes etc. so I would say that memmove() is cheaper. Does anyone have more knowledge about this? >> Is there anything which in your opinion prevents inclusion to >> wireless-testing? > > Give that you and Bob are working on it, I don't think so. Except the > API issue, which means it won't compile when John merges my patch. The compilation fix is easy to solve, I'll take care of it. Thanks for your comments. -- Kalle Valo -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
