diff mbox series

[v5,1/4] time/sched_clock: Export sched_clock_register()

Message ID 20230517022557.24388-2-walter.chang@mediatek.com (mailing list archive)
State New, archived
Headers show
Series Support timer drivers as loadable modules | expand

Commit Message

Walter Chang (張維哲) May 17, 2023, 2:25 a.m. UTC 
From: Chun-Hung Wu <chun-hung.wu@mediatek.com>

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-mediatek.c

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Signed-off-by: Walter Chang <walter.chang@mediatek.com>
Acked-by: John Stultz <jstultz@google.com>
---
 kernel/time/sched_clock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Carlos Llamas June 7, 2024, 3:03 p.m. UTC | #1 
On Wed, May 17, 2023 at 10:25:45AM +0800, walter.chang@mediatek.com wrote:
> From: Chun-Hung Wu <chun-hung.wu@mediatek.com>
> 
> clocksource driver may use sched_clock_register()
> to resigter itself as a sched_clock source.

nit: typo s/resigter/register

> Export it to support building such driver
> as module, like timer-mediatek.c
> 
> Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
> Signed-off-by: Walter Chang <walter.chang@mediatek.com>
> Acked-by: John Stultz <jstultz@google.com>
> ---

Reviewed-by: Carlos Llamas <cmllamas@google.com>

Thanks
diff mbox series

Patch

diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index 8464c5acc913..8e49e87d1221 100644
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -150,8 +150,7 @@  static enum hrtimer_restart sched_clock_poll(struct hrtimer *hrt)
 	return HRTIMER_RESTART;
 }
 
-void __init
-sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
+void sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
 {
 	u64 res, wrap, new_mask, new_epoch, cyc, ns;
 	u32 new_mult, new_shift;
@@ -223,6 +222,7 @@  sched_clock_register(u64 (*read)(void), int bits, unsigned long rate)
 
 	pr_debug("Registered %pS as sched_clock source\n", read);
 }
+EXPORT_SYMBOL_GPL(sched_clock_register);
 
 void __init generic_sched_clock_init(void)
 {