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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-03 08:44:46 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-09-13 11:12:14 +0200 |
| commit | bd31b85960a7fcb2d7ede216460b8da71a88411c (patch) | |
| tree | f2ab1a1105705856c5cdfc71bcf3f7b5f897d30d /arch/arm/mach-shark/leds.c | |
| parent | a1741e7fcbc19a67520115df480ab17012cc3d0b (diff) | |
| download | op-kernel-dev-bd31b85960a7fcb2d7ede216460b8da71a88411c.zip op-kernel-dev-bd31b85960a7fcb2d7ede216460b8da71a88411c.tar.gz | |
locking, ARM: Annotate low level hw locks as raw
Annotate the low level hardware locks which must not be preempted.
In mainline this change documents the low level nature of
the lock - otherwise there's no functional difference. Lockdep
and Sparse checking will work as usual.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-shark/leds.c')
| -rw-r--r-- | 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) |
