sdcard access with the sdhost controller is faster. Read access (dd with 64k blocks on rpi2): CONFIG_MMC_SDHCI_IPROC: 11-12 MB/s CONFIG_MMC_BCM2835: 19-20 MB/s
Differences on write access are pretty much in the noise. Signed-off-by: Gerd Hoffmann <[email protected]> Acked-by: Eric Anholt <[email protected]> --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index 8b95832..e36c392 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -65,13 +65,13 @@ &sdhci { pinctrl-names = "default"; pinctrl-0 = <&emmc_gpio48>; - status = "okay"; bus-width = <4>; }; &sdhost { pinctrl-names = "default"; pinctrl-0 = <&sdhost_gpio48>; + status = "okay"; bus-width = <4>; }; -- 1.8.3.1
