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| author | Yinghai Lu <yinghai@kernel.org> | 2009-04-27 17:59:21 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-28 12:21:16 +0200 |
| commit | d5dedd4507d307eb3f35f21b6e16f336fdc0d82a (patch) | |
| tree | 2c31b00395bde49ec4c5a415b081daaec44d3dab /drivers/parisc | |
| parent | fcef5911c7ea89b80d5bfc727f402f37c9eefd57 (diff) | |
| download | lwn-d5dedd4507d307eb3f35f21b6e16f336fdc0d82a.tar.gz lwn-d5dedd4507d307eb3f35f21b6e16f336fdc0d82a.zip | |
irq: change ->set_affinity() to return status
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>
Diffstat (limited to 'drivers/parisc')
| -rw-r--r-- | drivers/parisc/iosapic.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 73348c4047e9..4a9cc92d4d18 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -702,7 +702,7 @@ static unsigned int iosapic_startup_irq(unsigned int irq) } #ifdef CONFIG_SMP -static void iosapic_set_affinity_irq(unsigned int irq, +static int iosapic_set_affinity_irq(unsigned int irq, const struct cpumask *dest) { struct vector_info *vi = iosapic_get_vector(irq); @@ -712,7 +712,7 @@ static void iosapic_set_affinity_irq(unsigned int irq, dest_cpu = cpu_check_affinity(irq, dest); if (dest_cpu < 0) - return; + return -1; cpumask_copy(irq_desc[irq].affinity, cpumask_of(dest_cpu)); vi->txn_addr = txn_affinity_addr(irq, dest_cpu); @@ -724,6 +724,8 @@ static void iosapic_set_affinity_irq(unsigned int irq, iosapic_set_irt_data(vi, &dummy_d0, &d1); iosapic_wr_irt_entry(vi, d0, d1); spin_unlock_irqrestore(&iosapic_lock, flags); + + return 0; } #endif |