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Date:   Fri, 1 Apr 2022 13:08:40 +0300
From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Randy Dunlap <rdunlap@infradead.org>
Cc:     linux-kernel@vger.kernel.org, kernel test robot <lkp@intel.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        linux-media@vger.kernel.org
Subject: Re: [PATCH v2] media: nxp: imx-mips-csis depends on VIDEO_DEV
Message-ID: <YkbPKHrmHwtmuZVR@pendragon.ideasonboard.com>
References: <20220331231128.22015-1-rdunlap@infradead.org>
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In-Reply-To: <20220331231128.22015-1-rdunlap@infradead.org>
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Hi Randy,

Thank you for the patch.

On Thu, Mar 31, 2022 at 04:11:28PM -0700, Randy Dunlap wrote:
> imx-mipi-csis uses interfaces that are made available by VIDEO_DEV,
> so the driver should depend on VIDEO_DEV to eliminate build errors.
> 
> Fixes these build errors:
> 
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o: in function `mipi_csis_calculate_params':
> imx-mipi-csis.c:(.text+0x2ec): undefined reference to `v4l2_get_link_freq'
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o: in function `mipi_csis_async_register':
> imx-mipi-csis.c:(.text+0x464): undefined reference to `v4l2_async_nf_init'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x48c): undefined reference to `v4l2_fwnode_endpoint_parse'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x538): undefined reference to `__v4l2_async_nf_add_fwnode_remote'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x56c): undefined reference to `v4l2_async_subdev_nf_register'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x57c): undefined reference to `v4l2_async_register_subdev'
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o: in function `mipi_csis_notify_bound':
> imx-mipi-csis.c:(.text+0x5e0): undefined reference to `v4l2_create_fwnode_links_to_pad'
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o: in function `mipi_csis_probe':
> imx-mipi-csis.c:(.text+0x1088): undefined reference to `v4l2_subdev_init'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x1148): undefined reference to `v4l2_async_nf_unregister'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x1150): undefined reference to `v4l2_async_nf_cleanup'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x1158): undefined reference to `v4l2_async_unregister_subdev'
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o: in function `mipi_csis_set_fmt':
> imx-mipi-csis.c:(.text+0x1348): undefined reference to `v4l_bound_align_image'
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o: in function `mipi_csis_s_stream':
> imx-mipi-csis.c:(.text+0x14bc): undefined reference to `v4l2_subdev_call_wrappers'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x14c0): undefined reference to `v4l2_subdev_call_wrappers'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x1624): undefined reference to `v4l2_subdev_call_wrappers'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x1628): undefined reference to `v4l2_subdev_call_wrappers'
> aarch64-linux-ld: imx-mipi-csis.c:(.text+0x16d0): undefined reference to `v4l2_subdev_call_wrappers'
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o:imx-mipi-csis.c:(.text+0x16d4): more undefined references to `v4l2_subdev_call_wrappers' follow
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o: in function `mipi_csis_remove':
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o:(.rodata+0x4b8): undefined reference to `v4l2_subdev_get_fwnode_pad_1_to_1'
> aarch64-linux-ld: drivers/media/platform/nxp/imx-mipi-csis.o:(.rodata+0x4c8): undefined reference to `v4l2_subdev_link_validate'
> 
> Fixes: 46fb99951fe2 ("media: platform: place NXP drivers on a separate dir")
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Reported-by: kernel test robot <lkp@intel.com>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
> Cc: Philipp Zabel <p.zabel@pengutronix.de>
> Cc: linux-media@vger.kernel.org

This seems to duplicate
https://lore.kernel.org/linux-media/20220331123151.1953-1-laurent.pinchart@ideasonboard.com/T/#u.

> ---
> v2: fix copy-pasta Subject: line problem
> 
>  drivers/media/platform/nxp/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linux-next-20220331.orig/drivers/media/platform/nxp/Kconfig
> +++ linux-next-20220331/drivers/media/platform/nxp/Kconfig
> @@ -7,6 +7,7 @@ comment "NXP media platform drivers"
>  config VIDEO_IMX_MIPI_CSIS
>  	tristate "NXP MIPI CSI-2 CSIS receiver found on i.MX7 and i.MX8 models"
>  	depends on ARCH_MXC || COMPILE_TEST
> +	depends on VIDEO_DEV
>  	select MEDIA_CONTROLLER
>  	select V4L2_FWNODE
>  	select VIDEO_V4L2_SUBDEV_API

-- 
Regards,

Laurent Pinchart