RE: [REPOST PATCH] arm64: dts: qcom: Fix WiFi supplies on sc7180-idp

From: Rakesh Pillai
Date: Fri Jun 26 2020 - 04:44:32 EST




> -----Original Message-----
> From: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Sent: Friday, June 26, 2020 1:47 AM
> To: Andy Gross <agross@xxxxxxxxxx>; Bjorn Andersson
> <bjorn.andersson@xxxxxxxxxx>
> Cc: Evan Green <evgreen@xxxxxxxxxxxx>; Sibi Sankar
> <sibis@xxxxxxxxxxxxxx>; Rakesh Pillai <pillair@xxxxxxxxxxxxxx>; Douglas
> Anderson <dianders@xxxxxxxxxxxx>; Rob Herring <robh+dt@xxxxxxxxxx>;
> devicetree@xxxxxxxxxxxxxxx; linux-arm-msm@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: [REPOST PATCH] arm64: dts: qcom: Fix WiFi supplies on sc7180-idp
>
> The WiFi supplies that were added recently can't have done anything
> useful because they were missing the "-supply" suffix. Booting
> without the "-supply" suffix would give these messages:
>
> ath10k_snoc 18800000.wifi: 18800000.wifi supply vdd-0.8-cx-mx not found,
> using dummy regulator
> ath10k_snoc 18800000.wifi: 18800000.wifi supply vdd-1.8-xo not found,
using
> dummy regulator
> ath10k_snoc 18800000.wifi: 18800000.wifi supply vdd-1.3-rfa not found,
using
> dummy regulator
> ath10k_snoc 18800000.wifi: 18800000.wifi supply vdd-3.3-ch0 not found,
> using dummy regulator
>
> Let's add the "-supply" suffix.
>
> Fixes: 1e7594a38f37 ("arm64: dts: qcom: sc7180: Add WCN3990 WLAN
> module device node")
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
Reviewed-by: Rakesh Pillai <pillair@xxxxxxxxxxxxxx>

I missed this in the DTSI patch, while manually rebasing to the kernel tip.

> I don't have an IDP setup but I have a similar board. Testing on IDP
> would, of course, be appreciated.
>
> Repost because I screwed up the "after-the-cut" notes on first post.
>
> arch/arm64/boot/dts/qcom/sc7180-idp.dts | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> index 39dbfc89689e..472f7f41cc93 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> @@ -391,10 +391,10 @@ video-firmware {
>
> &wifi {
> status = "okay";
> - vdd-0.8-cx-mx = <&vreg_l9a_0p6>;
> - vdd-1.8-xo = <&vreg_l1c_1p8>;
> - vdd-1.3-rfa = <&vreg_l2c_1p3>;
> - vdd-3.3-ch0 = <&vreg_l10c_3p3>;
> + vdd-0.8-cx-mx-supply = <&vreg_l9a_0p6>;
> + vdd-1.8-xo-supply = <&vreg_l1c_1p8>;
> + vdd-1.3-rfa-supply = <&vreg_l2c_1p3>;
> + vdd-3.3-ch0-supply = <&vreg_l10c_3p3>;
> wifi-firmware {
> iommus = <&apps_smmu 0xc2 0x1>;
> };
> --
> 2.27.0.212.ge8ba1cc988-goog