Commit a19adf8d authored Mar 08, 2017 by Gerd Hoffmann Committed by Eric Anholt May 16, 2017

ARM: dts: bcm283x: switch from &sdhci to &sdhost



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 <kraxel@redhat.com>
Acked-by: Eric Anholt <eric@anholt.net>

parent 0fe4d218

arch/arm/boot/dts/bcm2835-rpi.dtsi

+1 −1

Original line number	Diff line number	Diff line
		@@ -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>;
		};