X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fia64%2Fsn%2Fkernel%2Firq.c;h=8d2a1bfbfe7c03f4d4b7e687fbf1a978d5dd1c71;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=7bb6ad188ba39855f1516465e4fee89f5b4ef145;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git

diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 7bb6ad188..8d2a1bfbf 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -117,7 +117,10 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
 				       nasid_t nasid, int slice)
 {
 	int vector;
+	int cpuid;
+#ifdef CONFIG_SMP
 	int cpuphys;
+#endif
 	int64_t bridge;
 	int local_widget, status;
 	nasid_t local_nasid;
@@ -146,7 +149,6 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
 	vector = sn_irq_info->irq_irq;
 	/* Free the old PROM new_irq_info structure */
 	sn_intr_free(local_nasid, local_widget, new_irq_info);
-	/* Update kernels new_irq_info with new target info */
 	unregister_intr_pda(new_irq_info);
 
 	/* allocate a new PROM new_irq_info struct */
@@ -160,8 +162,10 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
 		return NULL;
 	}
 
-	cpuphys = nasid_slice_to_cpuid(nasid, slice);
-	new_irq_info->irq_cpuid = cpuphys;
+	/* Update kernels new_irq_info with new target info */
+	cpuid = nasid_slice_to_cpuid(new_irq_info->irq_nasid,
+				     new_irq_info->irq_slice);
+	new_irq_info->irq_cpuid = cpuid;
 	register_intr_pda(new_irq_info);
 
 	pci_provider = sn_pci_provider[new_irq_info->irq_bridge_type];
@@ -180,6 +184,7 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
 	call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
 
 #ifdef CONFIG_SMP
+	cpuphys = cpu_physical_id(cpuid);
 	set_irq_affinity_info((vector & 0xff), cpuphys, 0);
 #endif
 
@@ -200,14 +205,26 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
 		(void)sn_retarget_vector(sn_irq_info, nasid, slice);
 }
 
-struct hw_interrupt_type irq_type_sn = {
-	.typename	= "SN hub",
+static void
+sn_mask_irq(unsigned int irq)
+{
+}
+
+static void
+sn_unmask_irq(unsigned int irq)
+{
+}
+
+struct irq_chip irq_type_sn = {
+	.name		= "SN hub",
 	.startup	= sn_startup_irq,
 	.shutdown	= sn_shutdown_irq,
 	.enable		= sn_enable_irq,
 	.disable	= sn_disable_irq,
 	.ack		= sn_ack_irq,
 	.end		= sn_end_irq,
+	.mask		= sn_mask_irq,
+	.unmask		= sn_unmask_irq,
 	.set_affinity	= sn_set_affinity_irq
 };
 
@@ -299,6 +316,9 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
 	nasid_t nasid = sn_irq_info->irq_nasid;
 	int slice = sn_irq_info->irq_slice;
 	int cpu = nasid_slice_to_cpuid(nasid, slice);
+#ifdef CONFIG_SMP
+	int cpuphys;
+#endif
 
 	pci_dev_get(pci_dev);
 	sn_irq_info->irq_cpuid = cpu;
@@ -311,6 +331,10 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
 	spin_unlock(&sn_irq_info_lock);
 
 	register_intr_pda(sn_irq_info);
+#ifdef CONFIG_SMP
+	cpuphys = cpu_physical_id(cpu);
+	set_irq_affinity_info(sn_irq_info->irq_irq, cpuphys, 0);
+#endif
 }
 
 void sn_irq_unfixup(struct pci_dev *pci_dev)