linux-kernel - Re: [PATCH] media: i2c/Kconfig: Select FWNODE for OV772x sensor

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Message-ID: <20210120092105.niausxf2dfe46p7p@uno.localdomain>
Date:   Wed, 20 Jan 2021 10:21:05 +0100
From:   Jacopo Mondi <jacopo@...ndi.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Biju Das <biju.das.jz@...renesas.com>,
        Prabhakar <prabhakar.csengg@...il.com>
Subject: Re: [PATCH] media: i2c/Kconfig: Select FWNODE for OV772x sensor

Hi Prabhakar,

On Wed, Jan 20, 2021 at 09:01:48AM +0000, Lad Prabhakar wrote:
> Fix OV772x build breakage by selecting V4L2_FWNODE config:
>
> ia64-linux-ld: drivers/media/i2c/ov772x.o: in function `ov772x_probe':
> ov772x.c:(.text+0x1ee2): undefined reference to `v4l2_fwnode_endpoint_alloc_parse'
> ia64-linux-ld: ov772x.c:(.text+0x1f12): undefined reference to `v4l2_fwnode_endpoint_free'
> ia64-linux-ld: ov772x.c:(.text+0x2212): undefined reference to `v4l2_fwnode_endpoint_alloc_parse'
>
> Fixes: 8a10b4e3601e ("media: i2c: ov772x: Parse endpoint properties")
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

You beat me to it, I was about to hit send for the same patch :)

Thanks!
Acked-by: Jacopo Mondi <jacopo+renesas@...ndi.org>

> ---
>  drivers/media/i2c/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
> index eddb10220953..bb1b5a340431 100644
> --- a/drivers/media/i2c/Kconfig
> +++ b/drivers/media/i2c/Kconfig
> @@ -1013,6 +1013,7 @@ config VIDEO_OV772X
>  	tristate "OmniVision OV772x sensor support"
>  	depends on I2C && VIDEO_V4L2
>  	select REGMAP_SCCB
> +	select V4L2_FWNODE
>  	help
>  	  This is a Video4Linux2 sensor driver for the OmniVision
>  	  OV772x camera.
> --
> 2.17.1
>