cpufreq: interactive: avoid underflow on active time calculation
authorMinsung Kim <ms925.kim@samsung.com>
Tue, 23 Apr 2013 13:32:01 +0000 (22:32 +0900)
committerArve Hjønnevåg <arve@android.com>
Mon, 1 Jul 2013 21:16:27 +0000 (14:16 -0700)
commit3ab74abdc30faaaa49eae6ae233769b092ec3378
tree3c5a641557d0752e89759ee40cf9fc6d2b738cea
parentd06bc7e5b3a3968721e0a34ce4a515cf5fa873e3
cpufreq: interactive: avoid underflow on active time calculation

Check for idle time delta less than elapsed time delta, avoid
underflow computing active time.

Change-Id: I3e4c6ef1ad794eec49ed379c0c50fa727fd6ad28
Signed-off-by: Minsung Kim <ms925.kim@samsung.com>
drivers/cpufreq/cpufreq_interactive.c