[PATCH 0/2][RFC v6] Ignore bogus sleep time if pm_trace is enabled

From: Chen Yu
Date: Tue Nov 08 2016 - 03:52:03 EST


This patch set is based on Thomas's previous solution, to bypass
the bogus CMOS-RTC sleep time after resumed, thus to avoid damage
to timekeeping system. The bogus sleep time comes from pm_trace,
which might use CMOS-RTC for debugging purpose.

Meanwhile, a solution to save/restore of CMOS-RTC is also proposed to give
better user experience.

Chen Yu (2):
timekeeping: Ignore the bogus sleep time if pm_trace is enabled
PM / sleep: save/restore RTC time after resumed if pm_trace enabled

arch/x86/kernel/rtc.c | 9 +++++++++
drivers/base/power/trace.c | 31 +++++++++++++++++++++++++++++++
drivers/rtc/rtc-cmos.c | 7 +++++++
include/linux/mc146818rtc.h | 1 +
include/linux/pm-trace.h | 9 ++++++++-
5 files changed, 56 insertions(+), 1 deletion(-)

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2.7.4