[PATCH 2/3] clocksource/mips-gic-timer: Remove pointless irq_save,restore
From: Matt Redfearn
Date: Thu Oct 19 2017 - 08:02:47 EST
gic_next_event is always called with interrupts disabled, so the save /
restore is pointless - remove it.
Signed-off-by: Matt Redfearn <matt.redfearn@xxxxxxxx>
Suggested-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
drivers/clocksource/mips-gic-timer.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index ae3167c28b12..8e8e3aa25b3f 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -45,10 +45,8 @@ static int gic_next_event(unsigned long delta, struct clock_event_device *evt)
cnt = gic_read_count();
cnt += (u64)delta;
- local_irq_save(flags);
write_gic_vl_other(mips_cm_vp_id(cpumask_first(evt->cpumask)));
write_gic_vo_compare(cnt);
- local_irq_restore(flags);
res = ((int)(gic_read_count() - cnt) >= 0) ? -ETIME : 0;
return res;
}
--
2.7.4