linux-kernel - [PATCH 4.19 254/267] ARM: dts: s5pv210: Set keep-power-in-suspend for SDHCI1 on Aries

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Message-Id: <20200619141700.847335784@linuxfoundation.org>
Date:   Fri, 19 Jun 2020 16:33:59 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jonathan Bakker <xc-racer2@...e.ca>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 4.19 254/267] ARM: dts: s5pv210: Set keep-power-in-suspend for SDHCI1 on Aries

From: Jonathan Bakker <xc-racer2@...e.ca>

commit 869d42e6eba821905e1a0950623aadafe1a6e6d3 upstream.

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.

Fixes: 170642468a51 ("ARM: dts: s5pv210: Add initial DTS for Samsung Aries based phones")
Cc: <stable@...r.kernel.org>
Signed-off-by: Jonathan Bakker <xc-racer2@...e.ca>
Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/s5pv210-aries.dtsi |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm/boot/dts/s5pv210-aries.dtsi
+++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
@@ -374,6 +374,7 @@
 	pinctrl-names = "default";
 	cap-sd-highspeed;
 	cap-mmc-highspeed;
+	keep-power-in-suspend;
 
 	mmc-pwrseq = <&wifi_pwrseq>;
 	non-removable;