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Laurent Pinchart
9bde4f7caf
media: sun4i_csi: Don't use v4l2_subdev_link_validate() for video device
The v4l2_subdev_link_validate() function is a helper designed to validate links whose sink is a subdev. When called on a link whose sink is a video device, it only prints a warning and returns. Its usage in the sun4i_csi driver is wrong, leaving the link from the sub4i_csi subdev to the capture video device unvalidated. Planned improvements to the v4l2_subdev_link_validate() function will turn the warning into an error, breaking the sun4i_csi driver. As an interim measure, move the warning to the sun4i_csi driver in a custom validation handler, and drop the call to the helper. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Reviewed-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the reStructuredText markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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