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Given a hirarchy of clk1 -> [div] -> clk2, when the rate of clk1 gets changed, clk2 changes as well as the divider stays the same. There may be cases where a user of clk2 needs it at a specific rate, so clk2 needs to be readjusted for the changed rate of clk1. So if a rate was requested for the clock, and its rate changed during the underlying rate-change, with this change the clock framework now tries to readjust the rate back to/near the requested one. The whole process is protected by a new clock-flag to not force this behaviour change onto every clock defined in the ccf. (am from https://patchwork.kernel.org/patch/8993761/) Change-Id: Ie2636710cb4e66815ee45b28ec86eeaaa47c55c7 Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Signed-off-by: Elaine Zhang <zhangqing@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.