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Message-ID: <g4a6gl47kfjx47ww36qnwp7zgvbd5gi5r7d26ibitfrybaa3l4@gvnz2mhsdf4s>
Date: Tue, 2 Apr 2024 12:35:08 -0500
From: Bjorn Andersson <andersson@...nel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>, Alim Akhtar <alim.akhtar@...sung.com>,
Avri Altman <avri.altman@....com>, Bart Van Assche <bvanassche@....org>,
Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Andy Gross <agross@...nel.org>,
Andy Gross <andy.gross@...aro.org>, "James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>, linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: msm8996: Add missing UFS host
controller reset
On Fri, Feb 09, 2024 at 10:16:25PM +0200, Dmitry Baryshkov wrote:
> On Tue, 30 Jan 2024 at 08:55, Manivannan Sadhasivam
> <manivannan.sadhasivam@...aro.org> wrote:
> >
> > On Mon, Jan 29, 2024 at 11:44:15AM +0200, Dmitry Baryshkov wrote:
> > > On Mon, 29 Jan 2024 at 09:55, Manivannan Sadhasivam
> > > <manivannan.sadhasivam@...aro.org> wrote:
> > > >
> > > > UFS host controller reset is required for the drivers to properly reset the
> > > > controller. Hence, add it.
> > > >
> > > > Fixes: 57fc67ef0d35 ("arm64: dts: qcom: msm8996: Add ufs related nodes")
> > > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> > >
> > > I think I had issues previously when I attempted to reset the
> > > controller, but it might be because of the incomplete clocks
> > > programming. Let met check whether it works first.
> > >
> >
> > Sure. Please let me know.
>
> With the clocking fixes in place (I'll send them in a few minutes) and
> with this patch the UFS breaks in the following way:
>
Was this further reviewed/investigated? What would you like me to do
with this patch?
Regards,
Bjorn
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