Re: [PATCH 0/5] Add UFS support for SM8750

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On Fri, Feb 07, 2025 at 11:47:12PM +0100, Konrad Dybcio wrote:
> On 13.01.2025 10:46 PM, Melody Olvera wrote:
> > Add UFS support for SM8750 SoCs.
> > 
> > Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx>
> > ---
> > Nitin Rawat (5):
> >       dt-bindings: phy: qcom,sc8280xp-qmp-ufs-phy: Document the SM8750 QMP UFS PHY
> >       phy: qcom-qmp-ufs: Add PHY Configuration support for SM8750
> >       dt-bindings: ufs: qcom: Document the SM8750 UFS Controller
> >       arm64: dts: qcom: sm8750: Add UFS nodes for SM8750 SoC
> >       arm64: dts: qcom: sm8750: Add UFS nodes for SM8750 QRD and MTP boards
> 
> You still need the same workaround 8550/8650 have in the UFS driver
> (UFSHCD_QUIRK_BROKEN_LSDBS_CAP) for it to work reliably, or at least
> that was the case for me on a 8750 QRD.
> 
> Please check whether we can make that quirk apply based on ctrl
> version or so, so that we don't have to keep growing the compatible
> list in the driver.
> 

That would be a bizarre. When I added the quirk, I was told that it would affect
only SM8550 and SM8650 (this one I learned later). I'm not against applying the
quirk based on UFSHC version if the bug is carried forward, but that would be an
indication of bad design.

- Mani

-- 
மணிவண்ணன் சதாசிவம்




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