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bc17c02a85
Add API log_wakeup_reason() and expose it to userspace via sysfs path /sys/kernel/wakeup_reasons/last_resume_reason Bug: 120445600 Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com> [AmitP: Folded following android-4.9 commit changes into this patch1135122a19("ANDROID: POWER: fix compile warnings in log_wakeup_reason")b4e6247778("ANDROID: Power: Changes the permission to read only for sysfs file /sys/kernel/wakeup_reasons/last_resume_reason")e13dbc7c69("ANDROID: power: wakeup_reason: rename irq_count to irqcount")] Signed-off-by: Amit Pundir <amit.pundir@linaro.org> [astrachan: Folded the following changes into this patch: 39d7c7fe91c0 ("ANDROID: power: wakeup_reason: Add guard condition for maximum wakeup reasons") 0730434bdf49 ("ANDROID: power: wakeup_reason: Avoids bogus error messages for the suspend aborts.") 4e42dceae54e ("ANDROID: power: wakeup_reason: Adds functionality to log the last suspend abort reason.") f21313b70ac7 ("ANDROID: power: wakeup_reason: Report suspend times from last_suspend_time") f97ec34442ac ("ANDROID: power: wakeup_reason: fix suspend time reporting") cd92df73e504 ("ANDROID: power: wakeup: Add last wake up source logging for suspend abort reason.") 546b6ae3c087 ("ANDROID: power: wakeup: Add the guard condition for len in pm_get_active_wakeup_sources") 1453d9ffcdbe ("ANDROID: power: wakeup_reason: make logging work in an interrupt context.")] Change-Id: I81addaf420f1338255c5d0638b0d244a99d777d1 Signed-off-by: Alistair Strachan <astrachan@google.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.