linux-kernel - [PATCH] arm64: dts: hikey960: Define wl1837 power capabilities

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Date:   Wed, 13 Jun 2018 13:03:21 -0500
From:   Ryan Grachek <ryan@...ted.us>
To:     unlisted-recipients:; (no To-header on input)
Cc:     valentin.schneider@....com, Ryan Grachek <ryan@...ted.us>,
        Wei Xu <xuwei5@...ilicon.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: hikey960: Define wl1837 power capabilities

These properties are required for compatibility with runtime PM.
Without these properties, MMC host controller will not be aware
of power capabilities. When the wlcore driver attempts to power
on the device, it will erroneously fail with -EACCES. This fixes
a regression found here: https://lkml.org/lkml/2018/6/12/930

Signed-off-by: Ryan Grachek <ryan@...ted.us>
---
 arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index c6999624ed8a..68c5a6c819ae 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -585,6 +585,8 @@
 	vmmc-supply = <&wlan_en>;
 	ti,non-removable;
 	non-removable;
+	cap-power-off-card;
+	keep-power-in-suspend;
 	#address-cells = <0x1>;
 	#size-cells = <0x0>;
 	status = "ok";
-- 
2.11.0