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Add pm_runtime support for power saving. In pm runtime suspend state the registers will be reseted, so add registers save in pm runtime suspend and restore them in pm runtime resume. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Marc Kleine-Budde <mkl@pengutronix.de> Link: https://lore.kernel.org/r/1711026842-7268-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Abel Vesa <abel.vesa@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 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.