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Diffstat (limited to 'arch/mips/sibyte/sb1250/irq.c')
-rw-r--r--arch/mips/sibyte/sb1250/irq.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index c08ff582da6..409dec79886 100644
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -50,7 +50,7 @@ static void enable_sb1250_irq(unsigned int irq);
static void disable_sb1250_irq(unsigned int irq);
static void ack_sb1250_irq(unsigned int irq);
#ifdef CONFIG_SMP
-static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask);
+static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask);
#endif
#ifdef CONFIG_SIBYTE_HAS_LDT
@@ -103,26 +103,24 @@ void sb1250_unmask_irq(int cpu, int irq)
}
#ifdef CONFIG_SMP
-static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask)
+static int 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);
if (cpumask_weight(mask) > 1) {
printk("attempted to set irq affinity for irq %d to multiple CPUs\n", irq);
- return;
+ return -1;
}
/* Convert logical CPU to physical CPU */
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 +142,9 @@ 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);
+
+ return 0;
}
#endif