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SubjectRe: [PATCH] arm64: dts: hikey: Define wl1835 power capabilities
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Hi,

On 13/06/18 16:13, Ryan Grachek wrote:
> 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.
>

I don't have a hikey620 to test this, but the hikey960 is suffering from the
same issue (see [1]). I added these properties to the dwmmc2 node of the
hikey960 (see snippet) and wlan0 does show up. Would you mind sending a
similar patch for that board ?

Thanks !

Valentin

[1]: https://lkml.org/lkml/2018/6/12/930

--->8

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index 85aadf1b..c706f70 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -613,6 +613,8 @@
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";
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