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25482a986e
The STARTING state is superfluous and can be replaced with a check of the sequence counter. The design idea is that the first buffer returned from the driver have to come from the first hardware buffer slot. Failing this the first 3 buffers queued to the device can be returned out-of-order. But it's much clearer to check the sequence counter to only return the first buffer if it comes from hardware slot 0 then it is to carry around an extra state just for this. Remove the unneeded state and replace it with a simpler check. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com> Tested-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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.