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

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Message-ID: <db6acfd5-645c-1231-aaac-c4ec0dda8e5e@ti.com>
Date:   Mon, 14 Jan 2019 19:12:13 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Olof Johansson <olof@...om.net>
CC:     Jens Axboe <axboe@...nel.dk>, <john.hubbard@...il.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>,
        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 14/01/19 2:27 PM, Miquel Raynal wrote:
> Hi Olof,
> 
> Olof Johansson <olof@...om.net> wrote on Sat, 12 Jan 2019 19:57:12
> -0800:
> 
>> 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.
> 
> This is my mistake, I forgot to tell Jens about this dependency,
> I am very sorry about that. As reported by John, this patch depends on
> the addition of PHY_MODE_SATA in the PHY type enumeration. This series
> ([1]) has been delayed and I should have warned Jens about it. I'm fine
> with the above fix though.
> 
> Kishon, will you be able to base phy-next on top of this fix? It will
> be needed for the addition of the COMPHY driver.

Sure, I'll include this in my tree.

Thanks
Kishon