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-rw-r--r--arch/ia64/sn/kernel/irq.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index af061dba246f..607938c288bb 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) 2000-2004 Silicon Graphics, Inc. All Rights Reserved. 8 * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
9 */ 9 */
10 10
11#include <linux/irq.h> 11#include <linux/irq.h>
@@ -76,16 +76,14 @@ static void sn_enable_irq(unsigned int irq)
76 76
77static void sn_ack_irq(unsigned int irq) 77static void sn_ack_irq(unsigned int irq)
78{ 78{
79 uint64_t event_occurred, mask = 0; 79 u64 event_occurred, mask = 0;
80 int nasid;
81 80
82 irq = irq & 0xff; 81 irq = irq & 0xff;
83 nasid = get_nasid();
84 event_occurred = 82 event_occurred =
85 HUB_L((uint64_t *) GLOBAL_MMR_ADDR(nasid, SH_EVENT_OCCURRED)); 83 HUB_L((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED));
86 mask = event_occurred & SH_ALL_INT_MASK; 84 mask = event_occurred & SH_ALL_INT_MASK;
87 HUB_S((uint64_t *) GLOBAL_MMR_ADDR(nasid, SH_EVENT_OCCURRED_ALIAS), 85 HUB_S((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED_ALIAS),
88 mask); 86 mask);
89 __set_bit(irq, (volatile void *)pda->sn_in_service_ivecs); 87 __set_bit(irq, (volatile void *)pda->sn_in_service_ivecs);
90 88
91 move_irq(irq); 89 move_irq(irq);
@@ -93,15 +91,12 @@ static void sn_ack_irq(unsigned int irq)
93 91
94static void sn_end_irq(unsigned int irq) 92static void sn_end_irq(unsigned int irq)
95{ 93{
96 int nasid;
97 int ivec; 94 int ivec;
98 uint64_t event_occurred; 95 u64 event_occurred;
99 96
100 ivec = irq & 0xff; 97 ivec = irq & 0xff;
101 if (ivec == SGI_UART_VECTOR) { 98 if (ivec == SGI_UART_VECTOR) {
102 nasid = get_nasid(); 99 event_occurred = HUB_L((u64*)LOCAL_MMR_ADDR (SH_EVENT_OCCURRED));
103 event_occurred = HUB_L((uint64_t *) GLOBAL_MMR_ADDR
104 (nasid, SH_EVENT_OCCURRED));
105 /* If the UART bit is set here, we may have received an 100 /* If the UART bit is set here, we may have received an
106 * interrupt from the UART that the driver missed. To 101 * interrupt from the UART that the driver missed. To
107 * make sure, we IPI ourselves to force us to look again. 102 * make sure, we IPI ourselves to force us to look again.