On 30 December 2016 at 16:24, Stefan Wahren <stefan.wahren@xxxxxxxx> wrote: > The sdhci-iproc waste a lot performance potential on bcm2835 because of > missing capabilities in the platform data. This patch series tries to fix > this. > > Raspberry Pi Zero with a class 10 sdhc card > > Before: > dd if=/dev/zero conv=fdatasync of=test bs=8k count=10000 > 81920000 Bytes (82 MB), 11,0044 s, 7,4 MB/s > > sudo dd if=/dev/mmcblk0p1 of=/dev/null > 62914560 Bytes (63 MB), 5,83784 s, 10,8 MB/s > > After: > dd if=/dev/zero conv=fdatasync of=test bs=8k count=10000 > 81920000 Bytes (82 MB), 9,76938 s, 8,4 MB/s > > sudo dd if=/dev/mmcblk0p1 of=/dev/null > 62914560 Bytes (63 MB), 4,73651 s, 13,3 MB/s > > Raspberry Pi Compute Module > > Before: > dd if=/dev/zero conv=fdatasync of=test bs=8k count=10000 > 81920000 Bytes (82 MB), 27,4257 s, 3,0 MB/s > > sudo dd if=/dev/mmcblk0p1 of=/dev/null > 66060288 Bytes (66 MB), 21,4365 s, 3,1 MB/s > > After: > dd if=/dev/zero conv=fdatasync of=test bs=8k count=10000 > 81920000 Bytes (82 MB), 7,19661 s, 11,4 MB/s > > sudo dd if=/dev/mmcblk0p1 of=/dev/null > 66060288 Bytes (66 MB), 4,76453 s, 13,9 MB/s > > Any tests with a Raspberry Pi 3 (SD and Wifi over SDIO) are welcome. > > Stefan Wahren (2): > mmc: sdhci-iproc: Apply caps from bcm2835-mmc driver > mmc: sdhci-iproc: Increase max_blk_size for bcm2835 > > drivers/mmc/host/sdhci-iproc.c | 11 ++++++++--- > 1 file changed, 8 insertions(+), 3 deletions(-) > > -- > 1.7.9.5 > Thanks, applied for next! Kind regards Uffe -- 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
