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ANDROID: GKI: Export sched_clock_register

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clocksource driver may use sched_clock_register
to resigter itself as a sched_clock source.
Export it to support building such driver
as module, like timer-imx-tpm.c

Bug: 194108974
Signed-off-by: Jindong Yue <jindong.yue@nxp.com>
Change-Id: Id23f3da624a1e70fc1a44daf6f827c03dc1d053d
This commit is contained in:
Jindong Yue
2021-11-30 13:41:27 +08:00
committed by Todd Kjos
parent 9e5446d7de
commit 84881c68b1
1 changed files with 2 additions and 2 deletions
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4
kernel/time/sched_clock.c
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@@ -150,8 +150,7 @@ static enum hrtimer_restart sched_clock_poll(struct hrtimer *hrt)
return HRTIMER_RESTART; return HRTIMER_RESTART;
} }
void __init void sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
{ {
u64 res, wrap, new_mask, new_epoch, cyc, ns; u64 res, wrap, new_mask, new_epoch, cyc, ns;
u32 new_mult, new_shift; u32 new_mult, new_shift;
@@ -225,6 +224,7 @@ sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
pr_debug("Registered %pS as sched_clock source\n", read); pr_debug("Registered %pS as sched_clock source\n", read);
} }
EXPORT_SYMBOL_GPL(sched_clock_register);
void __init generic_sched_clock_init(void) void __init generic_sched_clock_init(void)
{ {