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| author | Matt Redfearn <matt.redfearn@mips.com> | 2017-10-19 13:55:34 +0200 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2017-10-19 23:49:45 +0200 |
| commit | 7957b07b559175500b2a03e8a39738c1b4a832fe (patch) | |
| tree | 6c89968c1f43021bcbab946c768facbbd23dc956 /drivers/clocksource | |
| parent | clocksource/drivers/arm_arch_timer: Fix DEFINE_PER_CPU expansion (diff) | |
| download | linux-7957b07b559175500b2a03e8a39738c1b4a832fe.tar.xz linux-7957b07b559175500b2a03e8a39738c1b4a832fe.zip | |
clocksource/drivers/mips-gic-timer: Remove pointless irq_save,restore
The function gic_next_event is always called with interrupts disabled, so
the local_irq_save / local_irq_restore are pointless - remove them.
[Daniel Lezcano: Fixed warning by removing unused variable 'flags']
Signed-off-by: Matt Redfearn <matt.redfearn@mips.com>
Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/mips-gic-timer.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c index ae3167c28b12..775dea04460d 100644 --- a/drivers/clocksource/mips-gic-timer.c +++ b/drivers/clocksource/mips-gic-timer.c @@ -39,16 +39,13 @@ static u64 notrace gic_read_count(void) static int gic_next_event(unsigned long delta, struct clock_event_device *evt) { - unsigned long flags; u64 cnt; int res; 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; } |