Re: [PATCH v5 00/23] ufs: qcom: Add HS-G4 support
From: Manivannan Sadhasivam
Date: Sat Jan 14 2023 - 02:12:53 EST
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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