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PM / devfreq: Change time stats to 64-bit

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Change time stats counting to bigger type by using 64-bit jiffies.
This will make devfreq stats code look similar to cpufreq stats and
prevents overflow (for HZ = 1000 after 49.7 days).

Signed-off-by: Kamil Konieczny <k.konieczny@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Kamil Konieczny
2019-12-05 15:55:25 +01:00
committed by Chanwoo Choi
parent 2fee1a7cc6
commit b76b3479da
2 changed files with 9 additions and 9 deletions
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4
include/linux/devfreq.h
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@@ -177,8 +177,8 @@ struct devfreq {
/* information for device frequency transition */
unsigned int total_trans;
unsigned int *trans_table;
unsigned long *time_in_state;
unsigned long last_stat_updated;
u64 *time_in_state;
u64 last_stat_updated;
struct srcu_notifier_head transition_notifier_list;