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[v4,6/7] arm: dts: bcm283x: switch from &sdhci to &sdhost

Message ID 1488964751-22763-11-git-send-email-kraxel@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Gerd Hoffmann March 8, 2017, 9:19 a.m. UTC 
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>
---
 arch/arm/boot/dts/bcm2835-rpi.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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>;
 };