diff options
| author |   Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> | 2007-08-13 10:31:26 -0700 |
|---|---|---|
| committer |   Tony Luck <tony.luck@intel.com> | 2007-08-13 10:31:26 -0700 |
| commit | 1115200a3df64d6925bc94b404039e7082409af4 (patch) | |
| tree | 057db5767e57d08dc45efbc3cf5f8a207382ffb2 /arch/ia64/sn | |
| parent | [IA64] Use atomic64_read to read an atomic64_t. (diff) | |
| download | linux-dev-1115200a3df64d6925bc94b404039e7082409af4.tar.xz linux-dev-1115200a3df64d6925bc94b404039e7082409af4.zip | |
[IA64] SN2 needs platform specific irq_to_vector() function.
Add base support for implementing platform_irq_to_vector(), and
then use it on SN2.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Acked-by: John Keller <jpk@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn')
| -rw-r--r-- | arch/ia64/sn/kernel/irq.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c index 7f6d2360a262..bfa43e4c7ef7 100644 --- a/arch/ia64/sn/kernel/irq.c +++ b/arch/ia64/sn/kernel/irq.c @@ -256,6 +256,13 @@ struct irq_chip irq_type_sn = { .set_affinity = sn_set_affinity_irq }; +ia64_vector sn_irq_to_vector(int irq) +{ + if (irq >= IA64_NUM_VECTORS) + return 0; + return (ia64_vector)irq; +} + unsigned int sn_local_vector_to_irq(u8 vector) { return (CPU_VECTOR_TO_IRQ(smp_processor_id(), vector)); |