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";
