linux-kernel - Re: [PATCH v5 00/23] ufs: qcom: Add HS-G4 support

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Message-ID: <20230114071124.GA6992@thinkpad>
Date:   Sat, 14 Jan 2023 12:41:24 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     martin.petersen@...cle.com, jejb@...ux.ibm.com,
        andersson@...nel.org, quic_cang@...cinc.com,
        quic_asutoshd@...cinc.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-scsi@...r.kernel.org, dmitry.baryshkov@...aro.org,
        ahalaney@...hat.com, abel.vesa@...aro.org, alim.akhtar@...sung.com,
        avri.altman@....com, bvanassche@....org
Subject: Re: [PATCH v5 00/23] ufs: qcom: Add HS-G4 support

On Thu, Jan 12, 2023 at 11:41:13PM +0530, Vinod Koul wrote:
> On 22-12-22, 19:39, Manivannan Sadhasivam wrote:
> > Hello,
> > 
> > This series adds HS-G4 support to the Qcom UFS driver and PHY driver.
> > The newer Qcom platforms support configuring the UFS controller and PHY
> > in dual gears (i.e., controller/PHY can be configured to run in two gear
> > speeds). This is accomplished by adding two different PHY init sequences
> > to the PHY driver and the UFS driver requesting the one that's required
> > based on the platform configuration.
> > 
> > Initially the ufs-qcom driver will use the default gear G2 for enumerating
> > the UFS device. Afer enumeration, the max gear supported by both the
> > controller and device would be found out and that will be used thereafter.
> > But for using the max gear after enumeration, the ufs-qcom driver requires
> > the UFS device to be reinitialized. For this purpose, a separate quirk has
> > been introduced in the UFS core along with a callback and those will be used
> > by the ufs-qcom driver.
> 
> The series lgtm. This fails for me to apply though due to other patches
> I have picked up.
> 
> Can you please rebase the phy patches and send those 
> 

Done!

Thanks,
Mani

> -- 
> ~Vinod

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