fe8a339783
Remove the requirement of a VDEC_SYS reg iospace for both MT8173 and MT8183. To achieve that, rely on a vdecsys syscon to be passed through the DT, and use it to directly read the VDEC_HW_ACTIVE bit during IRQ handling to check whether the HW is active. Also update the VP8 stateful decoder to use the syscon, if present, for writes to VDEC_SYS. The old behavior is still present when reg-names aren't supplied, as to keep backward compatibility. Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> [hverkuil: added vdecsys_regmap kerneldoc line provided by Nicolas]
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 Restructured Text 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.