diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-03 09:44:46 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2011-09-13 05:12:14 -0400 |
commit | bd31b85960a7fcb2d7ede216460b8da71a88411c (patch) | |
tree | f2ab1a1105705856c5cdfc71bcf3f7b5f897d30d /arch/arm/mach-shark | |
parent | a1741e7fcbc19a67520115df480ab17012cc3d0b (diff) |
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')
-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 c9e32de4adf9..ccd49189bbd0 100644 --- a/arch/arm/mach-shark/leds.c +++ b/arch/arm/mach-shark/leds.c | |||
@@ -36,7 +36,7 @@ static char led_state; | |||
36 | static short hw_led_state; | 36 | static short hw_led_state; |
37 | static short saved_state; | 37 | static short saved_state; |
38 | 38 | ||
39 | static DEFINE_SPINLOCK(leds_lock); | 39 | static DEFINE_RAW_SPINLOCK(leds_lock); |
40 | 40 | ||
41 | short sequoia_read(int addr) { | 41 | short sequoia_read(int addr) { |
42 | outw(addr,0x24); | 42 | outw(addr,0x24); |
@@ -52,7 +52,7 @@ static void sequoia_leds_event(led_event_t evt) | |||
52 | { | 52 | { |
53 | unsigned long flags; | 53 | unsigned long flags; |
54 | 54 | ||
55 | spin_lock_irqsave(&leds_lock, flags); | 55 | raw_spin_lock_irqsave(&leds_lock, flags); |
56 | 56 | ||
57 | hw_led_state = sequoia_read(0x09); | 57 | hw_led_state = sequoia_read(0x09); |
58 | 58 | ||
@@ -144,7 +144,7 @@ static void sequoia_leds_event(led_event_t evt) | |||
144 | if (led_state & LED_STATE_ENABLED) | 144 | if (led_state & LED_STATE_ENABLED) |
145 | sequoia_write(hw_led_state,0x09); | 145 | sequoia_write(hw_led_state,0x09); |
146 | 146 | ||
147 | spin_unlock_irqrestore(&leds_lock, flags); | 147 | raw_spin_unlock_irqrestore(&leds_lock, flags); |
148 | } | 148 | } |
149 | 149 | ||
150 | static int __init leds_init(void) | 150 | static int __init leds_init(void) |