Messages in this thread Patch in this message | | | From | Eric Anholt <> | Subject | [PATCH 2/3] ARM: multi_v7_defconfig: Switch BCM2835 to sdhci-iproc.c for MMC | Date | Thu, 31 Mar 2016 17:28:23 -0700 |
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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> --- arch/arm/configs/multi_v7_defconfig | 1 - 1 file changed, 1 deletion(-)
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 43a8ce0..a913520 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -642,7 +642,6 @@ CONFIG_MMC_SDHCI_SPEAR=y CONFIG_MMC_SDHCI_S3C=y CONFIG_MMC_SDHCI_S3C_DMA=y CONFIG_MMC_SDHCI_BCM_KONA=y -CONFIG_MMC_SDHCI_BCM2835=y CONFIG_MMC_SDHCI_ST=y CONFIG_MMC_OMAP=y CONFIG_MMC_OMAP_HS=y -- 2.7.0
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