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If the system rebooted, there might be i2c transfer at the same time, it will make something unpredictable, because the i2c host was reseted, but the slave device wasn't, such as rk808 pmic, so make sure the i2c transfer to be finished before system shutdown at the reset mode. Change-Id: I3c09f3acbe86595c295edc191aa38351adb7d5dc Signed-off-by: David Wu <david.wu@rock-chips.com> Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.