linux-kernel - Re: linux-next: build warning after merge of the v4l-dvb tree

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Date:   Fri, 17 Apr 2020 09:01:15 +0200
From:   Mauro Carvalho Chehab <mchehab@...nel.org>
To:     Ezequiel Garcia <ezequiel@...labora.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-media@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>
Subject: Re: linux-next: build warning after merge of the v4l-dvb tree

Em Fri, 17 Apr 2020 02:13:47 -0300
Ezequiel Garcia <ezequiel@...labora.com> escreveu:

> Hi Stephen,
> 
> On Fri, 2020-04-17 at 10:22 +1000, Stephen Rothwell wrote:
> > Hi all,
> > 
> > After merging the v4l-dvb tree, today's linux-next build (arm
> > multi_v7_defconfig) produced this warning:
> > 
> > WARNING: unmet direct dependencies detected for MEDIA_CONTROLLER_REQUEST_API
> >   Depends on [n]: MEDIA_SUPPORT [=m] && MEDIA_CONTROLLER [=y] && STAGING_MEDIA [=n]
> >   Selected by [m]:
> >   - VIDEO_VIVID [=m] && MEDIA_SUPPORT [=m] && MEDIA_TEST_SUPPORT [=y] && V4L_TEST_DRIVERS [=y] && VIDEO_DEV [=m] && VIDEO_V4L2 [=m] && !SPARC32 &&
> > !SPARC64 && FB [=y] && HAS_DMA [=y]
> >   
> 
> Ugh, my bad. MEDIA_CONTROLLER_REQUEST_API can't
> depend on staging, after this recently merged commit:
> 
> "media: Kconfig: Don't expose the Request API option"
> 
> So, we should fix that with:
> 
> diff --git a/drivers/media/mc/Kconfig b/drivers/media/mc/Kconfig
> index 7c9628f37196..4815b9dde9af 100644
> --- a/drivers/media/mc/Kconfig
> +++ b/drivers/media/mc/Kconfig
> @@ -14,7 +14,7 @@ config MEDIA_CONTROLLER_DVB
>  
>  config MEDIA_CONTROLLER_REQUEST_API
>         bool
> -       depends on MEDIA_CONTROLLER && STAGING_MEDIA
> +       depends on MEDIA_CONTROLLER
>         help
>           DO NOT ENABLE THIS OPTION UNLESS YOU KNOW WHAT YOU'RE DOING.
>  
> Mauro what do you think?

Dropped the dependency and applied on media.

I also addressed the "select PCI" issue, with causes troubles on
s390 random configs (due to HAS_PCI=n on s390).

Thanks,
Mauro