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Message-ID: <YVwC/L25ss0QjUiF@matsya>
Date: Tue, 5 Oct 2021 13:17:08 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Shawn Guo <shawn.guo@...aro.org>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Jeffrey Hugo <jeffrey.l.hugo@...il.com>,
Jami Kettunen <jamipkettunen@...il.com>,
linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] Add missing vdd-supply for QUSB2 PHY
On 04-10-21, 11:01, Shawn Guo wrote:
> Hi Vinod,
>
> On Fri, Oct 01, 2021 at 01:46:23PM +0530, Vinod Koul wrote:
> > Hi Shawn,
> >
> > On 28-09-21, 10:19, Shawn Guo wrote:
> > > The series adds missing vdd-supply for QUSB2 PHY which is required for
> > > digital circuit. The driver works right now likely because firmware
> > > already sets it up. Add it to bindings, driver and DTS that miss the
> > > supply.
> > >
> > > It should not cause problem for existing DTBs:
> > > - SC7180, SDM630, SDM845 based platforms already specified vdd-supply
> > > in the DTBs.
> > > - MSM8996 and MSM8998 platform DTBs miss vdd-supply, but dummy regulator
> > > will ensure QUSB2 PHY driver works as before on these platforms.
> >
> > What about the rest.. I checked SM8350 and SM8250 mtp ones are missing
> > this. With the property made mandatory, I guess it would cause these to
> > fail right..
>
> >From what I can see, SM8350 and SM8250 use qcom-snps-femto-v2 PHY
> rather than qcom-qusb2. So they should not be affected by this series.
Right, somehow I seem to have overlooked that part :(
I am applying this now, thanks
--
~Vinod
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