leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Gerd Hoffmann 2017-03-08 10:19:10 +01:00 committed by Eric Anholt
parent 0fe4d2181c
commit a19adf8d86
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/boot/dts/bcm2835-rpi.dtsi
View File

@ -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>;
};