Commit 5d81b83d authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer Committed by Ralf Baechle

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: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent a6d5ff04
......@@ -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
......
......@@ -107,7 +107,6 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask)
{
int i = 0, old_cpu, cpu, int_on;
u64 cur_ints;
struct irq_desc *desc = irq_desc + irq;
unsigned long flags;
i = cpumask_first(mask);
......@@ -121,8 +120,7 @@ static void sb1250_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(&sb1250_imr_lock);
spin_lock_irqsave(&sb1250_imr_lock, flags);
/* Swizzle each CPU's IMR (but leave the IP selection alone) */
old_cpu = sb1250_irq_owner[irq];
......@@ -144,8 +142,7 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask)
____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
R_IMR_INTERRUPT_MASK));
}
spin_unlock(&sb1250_imr_lock);
spin_unlock_irqrestore(&desc->lock, flags);
spin_unlock_irqrestore(&sb1250_imr_lock, flags);
}
#endif
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment