diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0711-ARM-dts-bcm2835-rpi-zero-w-Fix-bus-width-of-sdhci.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0711-ARM-dts-bcm2835-rpi-zero-w-Fix-bus-width-of-sdhci.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0711-ARM-dts-bcm2835-rpi-zero-w-Fix-bus-width-of-sdhci.patch b/target/linux/brcm2708/patches-4.19/950-0711-ARM-dts-bcm2835-rpi-zero-w-Fix-bus-width-of-sdhci.patch new file mode 100644 index 0000000000..06dd01329f --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0711-ARM-dts-bcm2835-rpi-zero-w-Fix-bus-width-of-sdhci.patch @@ -0,0 +1,28 @@ +From c60d699be1eb26a14157cfa5b1ac0cf8afce0dcb Mon Sep 17 00:00:00 2001 +From: Stefan Wahren <wahrenst@gmx.net> +Date: Mon, 23 Sep 2019 19:41:33 +0200 +Subject: [PATCH] ARM: dts: bcm2835-rpi-zero-w: Fix bus-width of sdhci + +The commit e7774049ff25 ("ARM: dts: bcm283x: Define MMC interfaces at +board level") accidently dropped the bus width for the sdhci on the +RPi Zero W, because the board file was relying on the defaults +from bcm2835-rpi.dtsi. So fix this performance regression by adding +the bus width to the board file. + +Fixes: e7774049ff25 ("ARM: dts: bcm283x: Define MMC interfaces at board level") +Reported-by: Phil Elwell <phil@raspberrypi.org> +Signed-off-by: Stefan Wahren <wahrenst@gmx.net> +--- + arch/arm/boot/dts/bcm2835-rpi-zero-w.dts | 1 + + 1 file changed, 1 insertion(+) + +--- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts ++++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts +@@ -119,6 +119,7 @@ + #address-cells = <1>; + #size-cells = <0>; + pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; ++ bus-width = <4>; + mmc-pwrseq = <&wifi_pwrseq>; + non-removable; + status = "okay"; |