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71ecc5356d
For no obvious reason VB2_DMABUF was not enabled. Add this. Also both read and write file ops were set, but this was not enabled in the vb2 io_modes or in the device_caps capabilities. Drop this. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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.