[MIPS] time: Use non-interrupt locks in GT641xx clockevent driver
set_next_event() and set_mode() are always called with interrupt disabled.
irqsave and irqrestore are not necessary for spinlock.
Pointed out by Atsushi Nemoto.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c
index 4c651b2..155ef81 100644
--- a/arch/mips/kernel/cevt-gt641xx.c
+++ b/arch/mips/kernel/cevt-gt641xx.c
@@ -49,10 +49,9 @@
static int gt641xx_timer0_set_next_event(unsigned long delta,
struct clock_event_device *evt)
{
- unsigned long flags;
u32 ctrl;
- spin_lock_irqsave(>641xx_timer_lock, flags);
+ spin_lock(>641xx_timer_lock);
ctrl = GT_READ(GT_TC_CONTROL_OFS);
ctrl &= ~(GT_TC_CONTROL_ENTC0_MSK | GT_TC_CONTROL_SELTC0_MSK);
@@ -61,7 +60,7 @@
GT_WRITE(GT_TC0_OFS, delta);
GT_WRITE(GT_TC_CONTROL_OFS, ctrl);
- spin_unlock_irqrestore(>641xx_timer_lock, flags);
+ spin_unlock(>641xx_timer_lock);
return 0;
}
@@ -69,10 +68,9 @@
static void gt641xx_timer0_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
- unsigned long flags;
u32 ctrl;
- spin_lock_irqsave(>641xx_timer_lock, flags);
+ spin_lock(>641xx_timer_lock);
ctrl = GT_READ(GT_TC_CONTROL_OFS);
ctrl &= ~(GT_TC_CONTROL_ENTC0_MSK | GT_TC_CONTROL_SELTC0_MSK);
@@ -90,7 +88,7 @@
GT_WRITE(GT_TC_CONTROL_OFS, ctrl);
- spin_unlock_irqrestore(>641xx_timer_lock, flags);
+ spin_unlock(>641xx_timer_lock);
}
static void gt641xx_timer0_event_handler(struct clock_event_device *dev)