clk: Add hardware-enable column to clk summary
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: NDmitry Osipenko <digetx@gmail.com> Link: https://lore.kernel.org/r/20201115203432.13934-1-digetx@gmail.comSigned-off-by: NStephen Boyd <sboyd@kernel.org>
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