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CLOCK_MONOTONIC is not advanced when the system is in suspend. This becomes problematic when debugging issues related to suspend-resume: the timestamps printed by ufshcd_print_trs can not be correlated with dmesg entries, which are timestamped with local_clock(). Change the used clock to local_clock() for the informational timestamp variables and adds mirroring *_local_clock instances for variables used in subsequent derevations (to not change the semantics of those derevations). Link: https://lore.kernel.org/r/20220804065019.v5.1.I699244ea7efbd326a34a6dfd9b5a31e78400cf68@changeid Acked-by: Stanley Chu <stanley.chu@mediatek.com> Acked-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Daniil Lunev <dlunev@chromium.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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.