[IA64] altix: Abstract irq_affinity at the sn pci provider

Altix patch to abstract irq_affinity down to the pci provider level since
different SGI hardware implements this in different ways.

Signed-off-by: Mark Maule <maule@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 607938c288bb..9fc74631ba8a 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -127,6 +127,7 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
                 int local_widget, status;
                 nasid_t local_nasid;
                 struct sn_irq_info *new_irq_info;
+                struct sn_pcibus_provider *pci_provider;
 
                 new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
                 if (new_irq_info == NULL)
@@ -166,8 +167,9 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
                 new_irq_info->irq_cpuid = cpuid;
                 register_intr_pda(new_irq_info);
 
-                if (IS_PCI_BRIDGE_ASIC(new_irq_info->irq_bridge_type))
-                        pcibr_change_devices_irq(new_irq_info);
+                pci_provider = sn_pci_provider[new_irq_info->irq_bridge_type];
+                if (pci_provider && pci_provider->target_interrupt)
+                        (pci_provider->target_interrupt)(new_irq_info);
 
                 spin_lock(&sn_irq_info_lock);
                 list_replace_rcu(&sn_irq_info->list, &new_irq_info->list);