diff options
| author | Se Wang (Patrick) Oh <sewango@codeaurora.org> | 2015-05-29 14:57:05 -0700 |
|---|---|---|
| committer | Prasad Sodagudi <psodagud@codeaurora.org> | 2017-03-06 09:14:05 -0800 |
| commit | 54547c9f7577d6503938b32ea796ef8abba102fc (patch) | |
| tree | 7d09901baf113af40f467596afe42a206d0fa43a /include/linux | |
| parent | ded703d63ef5270ea80ae742c2f47c2965b01282 (diff) | |
clocksource: add API to force re-selection of the best clocksource
As the best clocksource is not selected till core boot completion,
only periodic tick timer works and it increases jiffies by one at
every tick updates. If interrupt is disabled more than one tick(10ms),
timer interrupts are missed and jiffies can't be updated at every
10ms and it can be behind the real time. So add API to force re-
selection of the best clocksource among registered clocksources so
that the best clocksource can be selected whenever it is available.
Change-Id: I481de3cdf1df8f0e35ed10aee7ab3882bf7a35b3
Signed-off-by: Se Wang (Patrick) Oh <sewango@codeaurora.org>
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/clocksource.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 7784b597e959..39c7de8c3048 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -186,6 +186,7 @@ extern void clocksource_suspend(void); extern void clocksource_resume(void); extern struct clocksource * __init clocksource_default_clock(void); extern void clocksource_mark_unstable(struct clocksource *cs); +extern void clocksource_select_force(void); extern u64 clocks_calc_max_nsecs(u32 mult, u32 shift, u32 maxadj, u64 mask, u64 *max_cycles); |