linux-kernel - Re: [PATCH] scsi: ufs: Remove select of phy-qcom-ufs from ufs-qcom

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Date:   Mon, 14 Jan 2019 11:11:07 -0800
From:   Evan Green <evgreen@...omium.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <andy.gross@...aro.org>, masneyb@...tation.org,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Vinayak Holikatti <vinholikatti@...il.com>,
        linux-scsi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH] scsi: ufs: Remove select of phy-qcom-ufs from ufs-qcom

On Mon, Jan 14, 2019 at 10:41 AM Evan Green <evgreen@...omium.org> wrote:
>
> On Mon, Jan 14, 2019 at 9:08 AM Doug Anderson <dianders@...omium.org> wrote:
> >
> > Hi,
> >
> > On Fri, Jan 11, 2019 at 7:37 PM Martin K. Petersen
> > <martin.petersen@...cle.com> wrote:
> > >
> > >
> > > Evan,
> > >
> > > > CONFIG_SCSI_UFS_QCOM selects CONFIG_PHY_QCOM_UFS, assuming that
> > > > this was the only possible PHY driver Qualcomm's UFS controller
> > > > would use. But in SDM845, the UFS driver is bundled into phy-qcom-qmp,
> > > > and phy-qcom-ufs is unused.
> > > >
> > > > Remove the select, since for SDM845 it adds useless drivers to the
> > > > build.
> > >
> > > Applied to 5.1/scsi-queue.
> >
> > Should this be accompanied by a change to arch/arm64/configs/defconfig
> > that sets 'CONFIG_PHY_QCOM_UFS=m'?  I don't personally have any
> > non-SDM845 devices to test on, but I'm sorta assuming they will all
> > break without the defconfig update?
>
> Right, thanks for pointing that out. I'll send out another patch to
> tweak the defconfig.

Sent out at:
https://lore.kernel.org/lkml/20190114190112.167922-1-evgreen@chromium.org/T/#u