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-rw-r--r--arch/ia64/sn/kernel/irq.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index c265e02f5036..db187f5cdae1 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -202,6 +202,9 @@ void sn_irq_init(void)
202 int i; 202 int i;
203 irq_desc_t *base_desc = irq_desc; 203 irq_desc_t *base_desc = irq_desc;
204 204
205 ia64_first_device_vector = IA64_SN2_FIRST_DEVICE_VECTOR;
206 ia64_last_device_vector = IA64_SN2_LAST_DEVICE_VECTOR;
207
205 for (i = 0; i < NR_IRQS; i++) { 208 for (i = 0; i < NR_IRQS; i++) {
206 if (base_desc[i].handler == &no_irq_type) { 209 if (base_desc[i].handler == &no_irq_type) {
207 base_desc[i].handler = &irq_type_sn; 210 base_desc[i].handler = &irq_type_sn;
@@ -285,6 +288,7 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
285 /* link it into the sn_irq[irq] list */ 288 /* link it into the sn_irq[irq] list */
286 spin_lock(&sn_irq_info_lock); 289 spin_lock(&sn_irq_info_lock);
287 list_add_rcu(&sn_irq_info->list, sn_irq_lh[sn_irq_info->irq_irq]); 290 list_add_rcu(&sn_irq_info->list, sn_irq_lh[sn_irq_info->irq_irq]);
291 reserve_irq_vector(sn_irq_info->irq_irq);
288 spin_unlock(&sn_irq_info_lock); 292 spin_unlock(&sn_irq_info_lock);
289 293
290 register_intr_pda(sn_irq_info); 294 register_intr_pda(sn_irq_info);
@@ -310,8 +314,11 @@ void sn_irq_unfixup(struct pci_dev *pci_dev)
310 spin_lock(&sn_irq_info_lock); 314 spin_lock(&sn_irq_info_lock);
311 list_del_rcu(&sn_irq_info->list); 315 list_del_rcu(&sn_irq_info->list);
312 spin_unlock(&sn_irq_info_lock); 316 spin_unlock(&sn_irq_info_lock);
317 if (list_empty(sn_irq_lh[sn_irq_info->irq_irq]))
318 free_irq_vector(sn_irq_info->irq_irq);
313 call_rcu(&sn_irq_info->rcu, sn_irq_info_free); 319 call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
314 pci_dev_put(pci_dev); 320 pci_dev_put(pci_dev);
321
315} 322}
316 323
317static inline void 324static inline void