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ARM: bcm2835: Switch BCM2835 to sdhci-iproc.c for MMC
authorEric Anholt <eric@anholt.net>
Thu, 31 Mar 2016 21:19:56 +0000 (14:19 -0700)
committerEric Anholt <eric@anholt.net>
Mon, 4 Apr 2016 18:03:07 +0000 (11:03 -0700)
commitbf9dbf50b1a3a8af3c72dc722bfb0137dda873f7
treed9270f416cd40b87dddf8012fb0ebf16db1fe385tree | snapshot (tar.gz zip)
parent54fff103fd9b8312e8cb958dda3a0dc9d0793086commit | diff
ARM: bcm2835: Switch BCM2835 to sdhci-iproc.c for MMC

This approximately triples write performance for the SD card.  My card
is too full of important data to collect very reliable numbers, but I
see 271.361% +/- 166.742% improvement (n=3 before, 6 after), for 'dd
if=/dev/zero of=/boot/asdf bs=1M count=3 oflag=dsync,direct'.  Read
performance appears to be unaffected.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
arch/arm/configs/bcm2835_defconfig diff | blob | blame | history