[PATCH] ARM: dts: bcm2835-rpi-zero-w: Fix bus-width of sdhci

* [PATCH] ARM: dts: bcm2835-rpi-zero-w: Fix bus-width of sdhci
@ 2019-09-23 18:21 Stefan Wahren
  2019-09-23 18:57 ` Florian Fainelli
  0 siblings, 1 reply; 2+ messages in thread
From: Stefan Wahren @ 2019-09-23 18:21 UTC (permalink / raw)
  To: Eric Anholt, Florian Fainelli, Ray Jui, Scott Branden
  Cc: bcm-kernel-feedback-list, Stefan Wahren, linux-arm-kernel

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(+)

diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
index 09a088f..b75af21 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
@@ -113,6 +113,7 @@
 	#address-cells = <1>;
 	#size-cells = <0>;
 	pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
+	bus-width = <4>;
 	mmc-pwrseq = <&wifi_pwrseq>;
 	non-removable;
 	status = "okay";
--
2.7.4


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