Messages in this thread Patch in this message | | | From | Gerd Hoffmann <> | Subject | [PATCH v4 6/7] arm: dts: bcm283x: switch from &sdhci to &sdhost | Date | Wed, 8 Mar 2017 10:19:10 +0100 |
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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(-)
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
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