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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>
This commit is contained in:
Eric Anholt 2016-03-31 14:19:56 -07:00
parent 54fff103fd
commit bf9dbf50b1
1 changed files with 1 additions and 1 deletions
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2
arch/arm/configs/bcm2835_defconfig
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@ -87,7 +87,7 @@ CONFIG_USB_DWC2=y
CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_SDHCI_BCM2835=y
CONFIG_MMC_SDHCI_IPROC=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y