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Date:   Mon, 6 Jul 2020 22:08:37 -0700
From:   Bjorn Andersson <>
To:     Vinod Koul <>
Cc:     Kishon Vijay Abraham I <>,, Andy Gross <>,
Subject: Re: [PATCH] phy: qcom: remove ufs qmp phy driver

On Mon 29 Jun 21:54 PDT 2020, Vinod Koul wrote:

> Hi Bjorn,
> On 29-06-20, 12:24, Bjorn Andersson wrote:
> > On Mon 29 Jun 07:54 PDT 2020, Vinod Koul wrote:
> > 
> > > UFS QMP phy drivers are duplicate as we are supposed to use common QMP
> > > phy driver which is working fine on various platforms. So remove the
> > > unused driver
> > > 
> > 
> > This describes the current state, but the UFS QMP driver had a purpose
> > not that long ago and I would like the commit message to describe what
> > changed and why it's now fine to remove the driver.
> Would below look better, also feel free to suggest as you have the
> more history on this :)
> "UFS QMP driver is dedicated driver for QMP phy for UFS variant. We
> also have a common QMP phy driver which works not only for UFS but
> USB and PCIe as well, so retire this driver in favour of the common
> driver"

How about:

"The UFS specific QMP PHY driver started off supporting the 14nm and
20nm hardware. With the 20nm support marked broken for a long time and
the 14nm support added to the common QMP PHY, this driver has not been
used in a while. So delete it."


> > 
> > I'm happy with the patch itself (i.e. the removal of the driver) though.
> Thanks
> -- 
> ~Vinod

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