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843107498f
Since system firmware is likely to use the RSB bus to communicate with a PMIC while the system is suspended, we cannot make any assumptions about the controller state after resuming. Thus it is important to completely reinitialize the controller. The RSB bus needs to be ready as soon as IRQs are enabled, to handle wakeup event IRQs coming from the PMIC. Thus it uses NOIRQ callbacks. Signed-off-by: Samuel Holland <samuel@sholland.org> Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Chen-Yu Tsai <wens@csie.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.