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Date:   Thu, 8 Jul 2021 17:13:13 +0200
From:   Guido =?iso-8859-1?Q?G=FCnther?= <guido.gunther@puri.sm>
To:     Sakari Ailus <sakari.ailus@iki.fi>
Cc:     Martin Kepplinger <martin.kepplinger@puri.sm>,
        krzysztof.kozlowski@canonical.com,
        laurent.pinchart@ideasonboard.com, devicetree@vger.kernel.org,
        kernel@puri.sm, linux-kernel@vger.kernel.org,
        linux-media@vger.kernel.org, mchehab@kernel.org,
        paul.kocialkowski@bootlin.com, pavel@ucw.cz,
        phone-devel@vger.kernel.org, robh@kernel.org, shawnx.tu@intel.com
Subject: Re: [PATCH v6 5/5] arm64: defconfig: enable VIDEO_HI846
Message-ID: <YOcWCVSXfV+cKJ6H@qwark.sigxcpu.org>
References: <20210628101054.828579-1-martin.kepplinger@puri.sm>
 <20210628101054.828579-6-martin.kepplinger@puri.sm>
 <20210708130003.GA3@valkosipuli.retiisi.eu>
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In-Reply-To: <20210708130003.GA3@valkosipuli.retiisi.eu>
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Hi,
On Thu, Jul 08, 2021 at 04:00:04PM +0300, Sakari Ailus wrote:
> Hi Martin,
> 
> On Mon, Jun 28, 2021 at 12:10:54PM +0200, Martin Kepplinger wrote:
> > Build the driver for the Hi-846 camera by default on arm64 where it's
> > going to be used on at least the imx8mq-librem5 board.
> > 
> > Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
> > ---
> >  arch/arm64/configs/defconfig | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > index f423d08b9a71..bf27d9cfbdd5 100644
> > --- a/arch/arm64/configs/defconfig
> > +++ b/arch/arm64/configs/defconfig
> > @@ -666,6 +666,7 @@ CONFIG_VIDEO_RENESAS_VSP1=m
> >  CONFIG_VIDEO_QCOM_VENUS=m
> >  CONFIG_SDR_PLATFORM_DRIVERS=y
> >  CONFIG_VIDEO_RCAR_DRIF=m
> > +CONFIG_VIDEO_HI846=m
> >  CONFIG_VIDEO_IMX219=m
> >  CONFIG_VIDEO_OV5645=m
> >  CONFIG_VIDEO_QCOM_CAMSS=m
> 
> The same sensor may be or may not used on a given board (and certainly it's
> not specific to arm64). Is it desirable all arm64 systems compile this in
> by default?
> 
> There appear to be a other sensor drivers though.
> 
> Is there a defconfig for the librem5 board?

arm64 has a single defconfig, there are no board specific ones (and
afaik they're not wanted either) so I think enabling it as a module is
the only way.

Cheers,
 -- Guido

> 
> I wonder what others think.
> 
> -- 
> Kind regards,
> 
> Sakari Ailus