Re: [PATCH v3 3/3] arm64: dts: qcom: qrb4210-rb2: Increase load on l22 and l24 for uSD and eMMC

From: Konrad Dybcio
Date: Tue Apr 11 2023 - 07:58:07 EST




On 11.04.2023 09:28, Bhupesh Sharma wrote:
> Increase the l22 and l24 load used for uSD and eMMC VMMC.
> These need to be increased in order to prevent any voltage drop
> issues due to limited current happening during specific operations
> (e.g. write).
>
> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> ---
You could have simply squashed this into the patch where
you enabled the controllers, so that that commit works
reliably for e.g. bisect

Konrad
> arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> index c9c6e3787462..dc80f0bca767 100644
> --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> @@ -171,6 +171,8 @@ vreg_l21a_2p704: l21 {
> vreg_l22a_2p96: l22 {
> regulator-min-microvolt = <2952000>;
> regulator-max-microvolt = <3304000>;
> + regulator-system-load = <100000>;
> + regulator-allow-set-load;
> };
>
> vreg_l23a_3p3: l23 {
> @@ -181,6 +183,8 @@ vreg_l23a_3p3: l23 {
> vreg_l24a_2p96: l24 {
> regulator-min-microvolt = <2704000>;
> regulator-max-microvolt = <3600000>;
> + regulator-system-load = <100000>;
> + regulator-allow-set-load;
> };
> };
> };