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| author | Thomas Gleixner <tglx@linutronix.de> | 2010-02-17 16:47:10 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-03-02 10:28:38 +0100 |
| commit | ced918eb748ce30b3aace549fd17540e40ffdca0 (patch) | |
| tree | f7c194d56e799508e090ef016bfc2dc0152a4244 /arch/x86/kernel/apm_32.c | |
| parent | 13dda80e48439b446d0bc9bab34b91484bc8f533 (diff) | |
| download | linux-ced918eb748ce30b3aace549fd17540e40ffdca0.tar.gz linux-ced918eb748ce30b3aace549fd17540e40ffdca0.tar.bz2 linux-ced918eb748ce30b3aace549fd17540e40ffdca0.zip | |
i8253: Convert i8253_lock to raw_spinlock
i8253_lock needs to be a real spinlock in preempt-rt, i.e. it can
not be converted to a sleeping lock.
Convert it to raw_spinlock and fix up all users.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Cc: Jens Axboe <jens.axboe@oracle.com>
LKML-Reference: <20100217163751.030764372@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/apm_32.c')
| -rw-r--r-- | arch/x86/kernel/apm_32.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c index 031aa887b0eb..c4f9182ca3ac 100644 --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -1224,7 +1224,7 @@ static void reinit_timer(void) #ifdef INIT_TIMER_AFTER_SUSPEND unsigned long flags; - spin_lock_irqsave(&i8253_lock, flags); + raw_spin_lock_irqsave(&i8253_lock, flags); /* set the clock to HZ */ outb_pit(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */ udelay(10); @@ -1232,7 +1232,7 @@ static void reinit_timer(void) udelay(10); outb_pit(LATCH >> 8, PIT_CH0); /* MSB */ udelay(10); - spin_unlock_irqrestore(&i8253_lock, flags); + raw_spin_unlock_irqrestore(&i8253_lock, flags); #endif } |