diff options
| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2009-05-04 23:51:54 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-05-14 13:50:30 +0100 |
| commit | 5d81b83d03eb32085c569854695e102dde7af544 (patch) | |
| tree | 41e779fb5912293fefaa73207a46a57956e0affb /arch/mips/sibyte/bcm1480/irq.c | |
| parent | a6d5ff04e83b36e0d5c2c50ef4d18e9f38b5abc2 (diff) | |
| download | lwn-5d81b83d03eb32085c569854695e102dde7af544.tar.gz lwn-5d81b83d03eb32085c569854695e102dde7af544.zip | |
MIPS: Sibyte: Fix locking in set_irq_affinity
Locking of irq_desc is now done in irq_set_affinity; don't lock it again
in chip specific set_affinity function.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sibyte/bcm1480/irq.c')
| -rw-r--r-- | arch/mips/sibyte/bcm1480/irq.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c index 352352b3cb2f..c147c4b35d3f 100644 --- a/arch/mips/sibyte/bcm1480/irq.c +++ b/arch/mips/sibyte/bcm1480/irq.c @@ -113,7 +113,6 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) { int i = 0, old_cpu, cpu, int_on, k; u64 cur_ints; - struct irq_desc *desc = irq_desc + irq; unsigned long flags; unsigned int irq_dirty; @@ -127,8 +126,7 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) cpu = cpu_logical_map(i); /* Protect against other affinity changers and IMR manipulation */ - spin_lock_irqsave(&desc->lock, flags); - spin_lock(&bcm1480_imr_lock); + spin_lock_irqsave(&bcm1480_imr_lock, flags); /* Swizzle each CPU's IMR (but leave the IP selection alone) */ old_cpu = bcm1480_irq_owner[irq]; @@ -153,8 +151,7 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) ____raw_writeq(cur_ints, IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (k*BCM1480_IMR_HL_SPACING))); } } - spin_unlock(&bcm1480_imr_lock); - spin_unlock_irqrestore(&desc->lock, flags); + spin_unlock_irqrestore(&bcm1480_imr_lock, flags); } #endif |