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-rw-r--r--arch/ia64/sn/kernel/irq.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 96c31b4180c3..0c66dbdd1d72 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -5,7 +5,7 @@
5 * License. See the file "COPYING" in the main directory of this archive 5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details. 6 * for more details.
7 * 7 *
8 * Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved. 8 * Copyright (c) 2000-2008 Silicon Graphics, Inc. All Rights Reserved.
9 */ 9 */
10 10
11#include <linux/irq.h> 11#include <linux/irq.h>
@@ -375,6 +375,7 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
375 int cpu = nasid_slice_to_cpuid(nasid, slice); 375 int cpu = nasid_slice_to_cpuid(nasid, slice);
376#ifdef CONFIG_SMP 376#ifdef CONFIG_SMP
377 int cpuphys; 377 int cpuphys;
378 irq_desc_t *desc;
378#endif 379#endif
379 380
380 pci_dev_get(pci_dev); 381 pci_dev_get(pci_dev);
@@ -391,6 +392,12 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
391#ifdef CONFIG_SMP 392#ifdef CONFIG_SMP
392 cpuphys = cpu_physical_id(cpu); 393 cpuphys = cpu_physical_id(cpu);
393 set_irq_affinity_info(sn_irq_info->irq_irq, cpuphys, 0); 394 set_irq_affinity_info(sn_irq_info->irq_irq, cpuphys, 0);
395 desc = irq_to_desc(sn_irq_info->irq_irq);
396 /*
397 * Affinity was set by the PROM, prevent it from
398 * being reset by the request_irq() path.
399 */
400 desc->status |= IRQ_AFFINITY_SET;
394#endif 401#endif
395} 402}
396 403