On 01/02/16 23:32, Mason wrote: > On 22/01/2016 08:17, Mason wrote: > >> On 22/01/2016 03:07, Shawn Lin wrote: >> >>> On 2016/1/21 23:00, Mason wrote: >>> >>>> So that means I have to write code in >>>> drivers/mmc/host/sdhci-of-arasan.c correct? >>> >>> It depends. If you think 512 block size if okay for you, leave it alone. >>> Otherwise, add it in drivers/mmc/host/sdhci-of-arasan.c :) >> >> When I measured the read/write throughput to an attached >> SD card, I got around 16 MB/s, and I thought raising the >> block size might help with throughput? >> >> I'll test and report back. > > Haven't had time to test yet, but I wanted to ask experienced > folks what to expect when raising the block size from 512 to > 2048 bytes? mmc block driver sets block size to 512. What you are looking at is maximum block size. SDIO uses bigger block sizes, so it is useful for that. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html