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irq: change ->set_affinity() to return status

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according to Ingo, change set_affinity() in irq_chip should return int,
because that way we can handle failure cases in a much cleaner way, in
the genirq layer.

v2: fix two typos

[ Impact: extend API ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-arch@vger.kernel.org
LKML-Reference: <49F654E9.4070809@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2009-04-27 17:59:21 -07:00
committed by Ingo Molnar
parent fcef5911c7
commit d5dedd4507
23 changed files with 140 additions and 74 deletions
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4
arch/powerpc/sysdev/mpic.c
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@@ -807,7 +807,7 @@ static void mpic_end_ipi(unsigned int irq)
#endif /* CONFIG_SMP */
void mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
int mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
{
struct mpic *mpic = mpic_from_irq(irq);
unsigned int src = mpic_irq_to_hw(irq);
@@ -824,6 +824,8 @@ void mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION),
mpic_physmask(cpus_addr(tmp)[0]));
}
return 0;
}
static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type)