diff options
| -rw-r--r-- | arch/parisc/include/asm/irq.h | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/irq.c | 12 | ||||
| -rw-r--r-- | drivers/parisc/iosapic.c | 7 |
3 files changed, 13 insertions, 8 deletions
diff --git a/arch/parisc/include/asm/irq.h b/arch/parisc/include/asm/irq.h index 399c81981ed5..dfa26b67f919 100644 --- a/arch/parisc/include/asm/irq.h +++ b/arch/parisc/include/asm/irq.h @@ -49,7 +49,7 @@ extern unsigned long txn_alloc_addr(unsigned int); extern unsigned long txn_affinity_addr(unsigned int irq, int cpu); extern int cpu_claim_irq(unsigned int irq, struct irq_chip *, void *); -extern int cpu_check_affinity(unsigned int irq, cpumask_t *dest); +extern int cpu_check_affinity(unsigned int irq, const struct cpumask *dest); /* soft power switch support (power.c) */ extern struct tasklet_struct power_tasklet; diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index a572112f5aba..29e70e16ede8 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -112,7 +112,7 @@ void cpu_end_irq(unsigned int irq) } #ifdef CONFIG_SMP -int cpu_check_affinity(unsigned int irq, cpumask_t *dest) +int cpu_check_affinity(unsigned int irq, const struct cpumask *dest) { int cpu_dest; @@ -126,17 +126,19 @@ int cpu_check_affinity(unsigned int irq, cpumask_t *dest) /* whatever mask they set, we just allow one CPU */ cpu_dest = first_cpu(*dest); - *dest = cpumask_of_cpu(cpu_dest); - return 0; + return cpu_dest; } static void cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest) { - if (cpu_check_affinity(irq, dest)) + int cpu_dest; + + cpu_dest = cpu_check_affinity(irq, dest); + if (cpu_dest < 0) return; - cpumask_copy(&irq_desc[irq].affinity, dest); + cpumask_copy(&irq_desc[irq].affinity, &cpumask_of_cpu(cpu_dest)); } #endif diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 1cdfdea5d7ef..501aaf1f253f 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -708,11 +708,14 @@ static void iosapic_set_affinity_irq(unsigned int irq, struct vector_info *vi = iosapic_get_vector(irq); u32 d0, d1, dummy_d0; unsigned long flags; + int dest_cpu; - if (cpu_check_affinity(irq, dest)) + dest_cpu = cpu_check_affinity(irq, dest); + if (dest_cpu < 0) return; - vi->txn_addr = txn_affinity_addr(irq, cpumask_first(dest)); + irq_desc[irq].affinity = cpumask_of_cpu(dest_cpu); + vi->txn_addr = txn_affinity_addr(irq, dest_cpu); spin_lock_irqsave(&iosapic_lock, flags); /* d1 contains the destination CPU, so only want to set that |