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Message-ID: <ZtsWe6IDKU4rvHIT@hovoldconsulting.com> Date: Fri, 6 Sep 2024 16:49:31 +0200 From: Johan Hovold <johan@...nel.org> To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org> Cc: Bartosz Golaszewski <brgl@...ev.pl>, Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Bartosz Golaszewski <bartosz.golaszewski@...aro.org> Subject: Re: [PATCH v3 4/4] arm64: dts: qcom: sc8280xp-x13s: keep less regulators always-on On Thu, Sep 05, 2024 at 10:27:24PM +0300, Dmitry Baryshkov wrote: > On Thu, Sep 05, 2024 at 08:23:39PM GMT, Bartosz Golaszewski wrote: > > On Thu, Sep 5, 2024 at 4:04 PM Johan Hovold <johan@...nel.org> wrote: > > > On Thu, Sep 05, 2024 at 02:20:22PM +0200, Bartosz Golaszewski wrote: > > > > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org> > > > > > > > > Remove the regulator-always-on property from the ones that used to be > > > > implicitly needed by the on-board WCN6855 now that its PMU is modeled in > > > > device-tree. > > > What makes you think s10b is only used by wcn6855? > > > > I didn't say that. It's used by many components but they seem to be > > all described in DT. But I get it, the schematics show it in so many > > places, it would be risky to not keep it on. > > Well, that depends on the consumers. If all consumers are good and > voting, then it should be safe. Right. But in this case, not all consumers are described in DT (e.g. ddr) and this is effectively an always-on rail. Johan
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