linux-kernel - Re: [PATCH 5/8] drivers: media: coda: fix warning same module names

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Date:   Tue, 11 Jun 2019 10:21:14 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Philipp Zabel <p.zabel@...gutronix.de>,
        Matt Redfearn <matt.redfearn@...nci.com>,
        Anders Roxell <anders.roxell@...aro.org>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        "andrew@...n.ch" <andrew@...n.ch>,
        "vivien.didelot@...il.com" <vivien.didelot@...il.com>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "marex@...x.de" <marex@...x.de>,
        "stefan@...er.ch" <stefan@...er.ch>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "b.zolnierkie@...sung.com" <b.zolnierkie@...sung.com>,
        "a.hajda@...sung.com" <a.hajda@...sung.com>,
        "hkallweit1@...il.com" <hkallweit1@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>
Subject: Re: [PATCH 5/8] drivers: media: coda: fix warning same module names

On 6/11/19 10:15 AM, Philipp Zabel wrote:
> Hi,
> 
> On Mon, 2019-06-10 at 13:14 +0000, Matt Redfearn wrote:
>>
>> On 10/06/2019 14:03, Anders Roxell wrote:
>>> On Thu, 6 Jun 2019 at 12:13, Hans Verkuil <hverkuil@...all.nl> wrote:
>>>>
>>>> On 6/6/19 11:47 AM, Anders Roxell wrote:
>>>>> When building with CONFIG_VIDEO_CODA and CONFIG_CODA_FS enabled as
>>>>> loadable modules, we see the following warning:
>>>>>
>>>>> warning: same module names found:
>>>>>    fs/coda/coda.ko
>>>>>    drivers/media/platform/coda/coda.ko
>>>>>
>>>>> Rework so media coda matches the config fragment. Leaving CODA_FS as is
>>>>> since thats a well known module.
>>>>>
>>>>> Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
>>>>> ---
>>>>>   drivers/media/platform/coda/Makefile | 4 ++--
>>>>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>>>>
>>>>> diff --git a/drivers/media/platform/coda/Makefile b/drivers/media/platform/coda/Makefile
>>>>> index 54e9a73a92ab..588e6bf7c190 100644
>>>>> --- a/drivers/media/platform/coda/Makefile
>>>>> +++ b/drivers/media/platform/coda/Makefile
>>>>> @@ -1,6 +1,6 @@
>>>>>   # SPDX-License-Identifier: GPL-2.0-only
>>>>>
>>>>> -coda-objs := coda-common.o coda-bit.o coda-gdi.o coda-h264.o coda-mpeg2.o coda-mpeg4.o coda-jpeg.o
>>>>> +video-coda-objs := coda-common.o coda-bit.o coda-gdi.o coda-h264.o coda-mpeg2.o coda-mpeg4.o coda-jpeg.o
>>>>>
>>>>> -obj-$(CONFIG_VIDEO_CODA) += coda.o
>>>>> +obj-$(CONFIG_VIDEO_CODA) += video-coda.o
>>>>
>>>> How about imx-coda? video-coda suggests it is part of the video subsystem,
>>>> which it isn't.
>>>
>>> I'll resend a v2 shortly with imx-coda instead.
> 
> I'd be in favor of calling it "coda-vpu" instead.

Fine by me!

> 
>> What about other vendor SoCs implementing the Coda IP block which are 
>> not an imx? I'd prefer a more generic name - maybe media-coda.
> 
> Right, this driver can be used on other SoCs [1].

Good point.

Regards,

	Hans

> 
> [1] https://www.mail-archive.com/linux-media@vger.kernel.org/msg146498.html
> 
> regards
> Philipp
>