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Saravana Kannan e35d35a1c0 PM / devfreq: Rewrite devfreq_update_status() to fix multiple bugs

The current devfreq_update_status() has the following bugs:
- If previous frequency doesn't have a valid level, it does an out of bounds
  access into the trans_table and causes memory corruption.
- When the new frequency doesn't have a valid level, the time spent in the
  new frequency is counted towards the next valid frequency switch instead of
  being ignored.
- The time spent on the previous frequency is added to the new frequency's
  stats instead of the previous frequency's stats.

This patch fixes all of this.

Signed-off-by: Saravana Kannan <[email protected]>
Signed-off-by: MyungJoo Ham <[email protected]>

2014-03-21 11:16:30 +09:00

exynos

Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

2014-01-23 18:36:55 -08:00

devfreq.c

PM / devfreq: Rewrite devfreq_update_status() to fix multiple bugs

2014-03-21 11:16:30 +09:00

governor_performance.c

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governor_powersave.c

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governor_simpleondemand.c