linux-kernel - Re: [PATCH V3] arm64: dts: qcom: qcm6490-idp: Allow UFS regulators load/mode setting

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Message-ID: <2tunyupop2w7brm6adkdsrytvxbr4g3ixpbmuuqljedeaehze5@se3qsbf6tb6t>
Date: Wed, 16 Oct 2024 13:24:48 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Rakesh Kota <quic_kotarake@...cinc.com>
Cc: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, quic_kamalw@...cinc.com, 
	quic_jprakash@...cinc.com
Subject: Re: [PATCH V3] arm64: dts: qcom: qcm6490-idp: Allow UFS regulators
 load/mode setting

On Wed, Oct 16, 2024 at 03:35:11PM +0530, Rakesh Kota wrote:
> The UFS driver expects to be able to set load (and by extension, mode)
> on its supply regulators. Add the necessary properties to make that
> possible.
> 
> Signed-off-by: Rakesh Kota <quic_kotarake@...cinc.com>
> ---
> Changes V3:
>  - Somehow after fixing the compilation in last patch, i have missed to
>    do git  --amend the change. apology for that, in this change i have
>    fixed that compilation issue.

What actually was changed? The --amend doesn't describe changes. Nor
does "fixed that compilation issue".

>  - Link V2 : https://lore.kernel.org/all/20241015132049.2037500-1-quic_kotarake@quicinc.com/

Where are changes between v1 and v2?

Where is the tag that was given to you for the v2?

> ---
>  arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> index 5f3d4807ac43..bfb1cdc238cc 100644
> --- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
> @@ -258,6 +258,8 @@ vreg_l6b_1p2: ldo6 {
>  			regulator-name = "vreg_l6b_1p2";
>  			regulator-min-microvolt = <1140000>;
>  			regulator-max-microvolt = <1260000>;
> +			regulator-allow-set-load;
> +			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>;
>  			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>  		};
>  
> @@ -265,6 +267,8 @@ vreg_l7b_2p952: ldo7 {
>  			regulator-name = "vreg_l7b_2p952";
>  			regulator-min-microvolt = <2400000>;
>  			regulator-max-microvolt = <3544000>;
> +			regulator-allow-set-load;
> +			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>;
>  			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>  		};
>  
> @@ -279,6 +283,8 @@ vreg_l9b_1p2: ldo9 {
>  			regulator-name = "vreg_l9b_1p2";
>  			regulator-min-microvolt = <1200000>;
>  			regulator-max-microvolt = <1304000>;
> +			regulator-allow-set-load;
> +			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>;
>  			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>  		};
>  
> @@ -467,6 +473,8 @@ vreg_l10c_0p88: ldo10 {
>  			regulator-name = "vreg_l10c_0p88";
>  			regulator-min-microvolt = <720000>;
>  			regulator-max-microvolt = <1050000>;
> +			regulator-allow-set-load;
> +			regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM RPMH_REGULATOR_MODE_HPM>;
>  			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>  		};
>  
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry