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8a99358a1d
This converts the i.MX AHCI driver to use a GPIO descriptor instead of parsing the device tree by itself. This driver is quite obviously device tree only, and the GPIO line is treated as optional, so let's keep it as optional. None of the device trees in the kernel use this GPIO facility today, so it is hard to test. Cc: Egor Starkov <egor.starkov@ge.com> Cc: Richard Zhu <hongxing.zhu@nxp.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.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.