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| 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 | |
| parent | 6cba986298105a87a09d65baa2658fb5111459c6 (diff) | |
| download | linux-1115200a3df64d6925bc94b404039e7082409af4.tar.gz linux-1115200a3df64d6925bc94b404039e7082409af4.tar.bz2 linux-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')
| -rw-r--r-- | arch/ia64/kernel/irq.c | 5 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/irq.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c index cc3ee4ef37af..44be1c952b7c 100644 --- a/arch/ia64/kernel/irq.c +++ b/arch/ia64/kernel/irq.c @@ -33,6 +33,11 @@ void ack_bad_irq(unsigned int irq) } #ifdef CONFIG_IA64_GENERIC +ia64_vector __ia64_irq_to_vector(int irq) +{ + return irq_cfg[irq].vector; +} + unsigned int __ia64_local_vector_to_irq (ia64_vector vec) { return __get_cpu_var(vector_irq)[vec]; 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)); |