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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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2
arch/mips/include/asm/irq.h
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@ -49,7 +49,7 @@ static inline void smtc_im_ack_irq(unsigned int irq)
#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
#include <linux/cpumask.h>
extern void plat_set_irq_affinity(unsigned int irq,
extern int plat_set_irq_affinity(unsigned int irq,
const struct cpumask *affinity);
extern void smtc_forward_irq(unsigned int irq);