[PATCH 12/12] ARM: shark: Convert leds_lock to raw_spinlock

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Tue Oct 19 10:39:07 EDT 2010


From: Thomas Gleixner <tglx at linutronix.de>

leds_lock needs to be a real spinlock on preempt-rt. Convert it to a
raw_spinlock. No change for !RT kernels.

Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
---
 arch/arm/mach-shark/leds.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-shark/leds.c b/arch/arm/mach-shark/leds.c
index c9e32de..ccd4918 100644
--- a/arch/arm/mach-shark/leds.c
+++ b/arch/arm/mach-shark/leds.c
@@ -36,7 +36,7 @@ static char led_state;
 static short hw_led_state;
 static short saved_state;
 
-static DEFINE_SPINLOCK(leds_lock);
+static DEFINE_RAW_SPINLOCK(leds_lock);
 
 short sequoia_read(int addr) {
   outw(addr,0x24);
@@ -52,7 +52,7 @@ static void sequoia_leds_event(led_event_t evt)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&leds_lock, flags);
+	raw_spin_lock_irqsave(&leds_lock, flags);
 
 	hw_led_state = sequoia_read(0x09);
 
@@ -144,7 +144,7 @@ static void sequoia_leds_event(led_event_t evt)
 	if  (led_state & LED_STATE_ENABLED)
 		sequoia_write(hw_led_state,0x09);
 
-	spin_unlock_irqrestore(&leds_lock, flags);
+	raw_spin_unlock_irqrestore(&leds_lock, flags);
 }
 
 static int __init leds_init(void)
-- 
1.7.2.3




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