linux-kernel - Re: [PATCH] media: VIDEO_IMX8_JPEG should depend on ARCH

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Date:   Tue, 6 Apr 2021 11:24:04 +0200
From:   Hans Verkuil <hverkuil-cisco@...all.nl>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Mirela Rabulea <mirela.rabulea@....com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
Cc:     NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: VIDEO_IMX8_JPEG should depend on ARCH_MXC and not
 default to m

Hi Geert,

On 31/03/2021 10:17, Geert Uytterhoeven wrote:
> The i.MX8 QXP/QM integrated JPEG encoder/decoder is only present on
> Freescale/NXP i.MX8 QXP and QM SoCs.  Hence add a dependency on
> ARCH_MXC, to prevent asking the user about this driver when configuring
> a kernel without i.MX8 support.
> 
> Drop the "default m" (which means "default y" if CONFIG_MODULES is not
> enabled), as merely enabling CONFIG_COMPILE_TEST should not enable
> additional code.

You do not actually drop 'default m' in the patch. Either the patch or the
commit message is wrong.

Regards,

	Hans

> 
> Fixes: 2db16c6ed72ce644 ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
>  drivers/media/platform/imx-jpeg/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/media/platform/imx-jpeg/Kconfig b/drivers/media/platform/imx-jpeg/Kconfig
> index d875f7c88cdad125..0e3269d06ded30ec 100644
> --- a/drivers/media/platform/imx-jpeg/Kconfig
> +++ b/drivers/media/platform/imx-jpeg/Kconfig
> @@ -1,6 +1,7 @@
>  # SPDX-License-Identifier: GPL-2.0
>  config VIDEO_IMX8_JPEG
>  	tristate "IMX8 JPEG Encoder/Decoder"
> +	depends on ARCH_MXC || COMPILE_TEST
>  	depends on VIDEO_DEV && VIDEO_V4L2
>  	select VIDEOBUF2_DMA_CONTIG
>  	select V4L2_MEM2MEM_DEV
>