Thread (1 message) 1 message, 1 author, 2020-05-01
DORMANTno replies

[PATCH v2 04/18] ARM: dts: s5pv210: Set keep-power-in-suspend for SDHCI1 on aries

From: Jonathan Bakker <hidden>
Date: 2020-05-01 23:51:25
Also in: linux-arm-kernel, linux-samsung-soc, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

SDHCI1 is connected to a BCM4329 WiFi/BT chip which requires
power to be kept over suspend.  As the surrounding hardware supports
this, mark it as such.  This fixes wifi after a suspend/resume cycle.

Signed-off-by: Jonathan Bakker <redacted>
---
 arch/arm/boot/dts/s5pv210-aries.dtsi | 1 +
 1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi
index 8ff70b856334..d419b77201f7 100644
--- a/arch/arm/boot/dts/s5pv210-aries.dtsi
+++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
@@ -454,6 +454,7 @@
 	pinctrl-names = "default";
 	cap-sd-highspeed;
 	cap-mmc-highspeed;
+	keep-power-in-suspend;
 
 	mmc-pwrseq = <&wifi_pwrseq>;
 	non-removable;
-- 
2.20.1
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