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bf6d43d723
Add "hardware enable" column to the clk summary in order to show actual hardware enable-state of all clocks. The possible states are "Y/N/?", where question mark means that state is unknown, i.e. clock isn't a mux and clk-driver doesn't support is_enabled() callback for this clock. In conjunction with clk_ignore_unused, this tells us what unused clocks are left enabled after bootloader. This is also a useful aid for debugging interactions with firmware which changes clock states without notifying kernel. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Link: https://lore.kernel.org/r/20201115203432.13934-1-digetx@gmail.com Signed-off-by: Stephen Boyd <sboyd@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.