Hi Valentin, On Wed, Jun 13, 2018 at 12:34 PM, Valentin Schneider <valentin.schneider@xxxxxxx> wrote: > 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"; Not a problem. The patch can be found here: https://patchwork.kernel.org/patch/10462767/ Ryan -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
