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Jarkko Nikula <jarkko.nikula@bitmer.com> reported that Beagleboard revision c2 stopped booting. Jarkko bisected the issue down to commit6cfcd5563b("clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4"). Let's fix the issue by tagging system timers as reserved rather than ignoring them. And let's not probe any interconnect target module child devices for reserved modules. This allows PM runtime to keep track of clocks and clockdomains for the interconnect target module, and prevent the system timer from idling as we already have SYSC_QUIRK_NO_IDLE and SYSC_QUIRK_NO_IDLE_ON_INIT flags set for system timers. Fixes:6cfcd5563b("clocksource/drivers/timer-ti-dm: Fix suspend and resume for am3 and am4") Reported-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Tested-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Signed-off-by: Tony Lindgren <tony@atomide.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.
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.