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[ Upstream commit21e157c62e] The DFS frequency table logic overwrites 'cfg' while detecting the parent clk and then later on in clk_rcg2_dfs_populate_freq() we use that same variable to figure out the mode of the clk, either MND or not. Add a new variable to hold the parent clk bit so that 'cfg' is left untouched for use later. This fixes problems in detecting the supported frequencies for any clks in DFS mode. Fixes:cc4f6944d0("clk: qcom: Add support for RCG to register for DFS") Reported-by: Rajendra Nayak <rnayak@codeaurora.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lkml.kernel.org/r/20200128193329.45635-1-sboyd@kernel.org Tested-by: Rajendra Nayak <rnayak@codeaurora.org> Signed-off-by: Sasha Levin <sashal@kernel.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.