linux-kernel - Re: [PATCH 1/1] phy: fix build breakage: add PHY_MODE

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Date:   Sat, 12 Jan 2019 19:57:12 -0800
From:   Olof Johansson <olof@...om.net>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     john.hubbard@...il.com, Kishon Vijay Abraham I <kishon@...com>,
        Jisheng Zhang <Jisheng.Zhang@...aptics.com>,
        Rob Herring <robh@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        John Hubbard <jhubbard@...dia.com>,
        Grzegorz Jaszczyk <jaz@...ihalf.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 1/1] phy: fix build breakage: add PHY_MODE_SATA

On Sat, Jan 12, 2019 at 6:05 PM Jens Axboe <axboe@...nel.dk> wrote:
>
> On 1/12/19 6:29 PM, john.hubbard@...il.com wrote:
> > From: John Hubbard <jhubbard@...dia.com>
> >
> > Commit 49e54187ae0b ("ata: libahci_platform: comply to PHY framework") uses
> > the PHY_MODE_SATA, but that enum had not yet been added. This caused a
> > build failure for me, with today's linux.git.
> >
> > Also, there is a potentially conflicting (mis-named) PHY_MODE_SATA, hiding
> > in the Marvell Berlin SATA PHY driver.
> >
> > Fix the build by:
> >
> >     1) Renaming Marvell's defined value to a more scoped name,
> >        in order to avoid any potential conflicts: PHY_BERLIN_MODE_SATA.
> >
> >     2) Adding the missing enum, which was going to be added anyway as part
> >        of [1].
> >
> > [1] https://lkml.kernel.org/r/20190108163124.6409-3-miquel.raynal@bootlin.com
> >
> > Fixes: 49e54187ae0b ("ata: libahci_platform: comply to PHY framework")
>
> Linus, this is probably a better option in terms of what should go in to
> fix that commit.

I'm OK with this, but it does beg the question how the patch was
tested before submitting, if it didn't build.

Is there functional breakage behind it? I currently lack online
hardware to test myself, unfortunately.


-Olof