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Diffstat (limited to 'arch/mips/philips/pnx8550/common/int.c')
-rw-r--r--arch/mips/philips/pnx8550/common/int.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c
index 3c93512be1ec..710611615ca2 100644
--- a/arch/mips/philips/pnx8550/common/int.c
+++ b/arch/mips/philips/pnx8550/common/int.c
@@ -23,6 +23,7 @@
23 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. 23 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
24 * 24 *
25 */ 25 */
26#include <linux/compiler.h>
26#include <linux/init.h> 27#include <linux/init.h>
27#include <linux/irq.h> 28#include <linux/irq.h>
28#include <linux/sched.h> 29#include <linux/sched.h>
@@ -52,7 +53,7 @@ static char gic_prio[PNX8550_INT_GIC_TOTINT] = {
52 1 // 70 53 1 // 70
53}; 54};
54 55
55static void hw0_irqdispatch(int irq, struct pt_regs *regs) 56static void hw0_irqdispatch(int irq)
56{ 57{
57 /* find out which interrupt */ 58 /* find out which interrupt */
58 irq = PNX8550_GIC_VECTOR_0 >> 3; 59 irq = PNX8550_GIC_VECTOR_0 >> 3;
@@ -61,42 +62,39 @@ static void hw0_irqdispatch(int irq, struct pt_regs *regs)
61 printk("hw0_irqdispatch: irq 0, spurious interrupt?\n"); 62 printk("hw0_irqdispatch: irq 0, spurious interrupt?\n");
62 return; 63 return;
63 } 64 }
64 do_IRQ(PNX8550_INT_GIC_MIN + irq, regs); 65 do_IRQ(PNX8550_INT_GIC_MIN + irq);
65} 66}
66 67
67 68
68static void timer_irqdispatch(int irq, struct pt_regs *regs) 69static void timer_irqdispatch(int irq)
69{ 70{
70 irq = (0x01c0 & read_c0_config7()) >> 6; 71 irq = (0x01c0 & read_c0_config7()) >> 6;
71 72
72 if (irq == 0) { 73 if (unlikely(irq == 0)) {
73 printk("timer_irqdispatch: irq 0, spurious interrupt?\n"); 74 printk("timer_irqdispatch: irq 0, spurious interrupt?\n");
74 return; 75 return;
75 } 76 }
76 77
77 if (irq & 0x1) { 78 if (irq & 0x1)
78 do_IRQ(PNX8550_INT_TIMER1, regs); 79 do_IRQ(PNX8550_INT_TIMER1);
79 } 80 if (irq & 0x2)
80 if (irq & 0x2) { 81 do_IRQ(PNX8550_INT_TIMER2);
81 do_IRQ(PNX8550_INT_TIMER2, regs); 82 if (irq & 0x4)
82 } 83 do_IRQ(PNX8550_INT_TIMER3);
83 if (irq & 0x4) {
84 do_IRQ(PNX8550_INT_TIMER3, regs);
85 }
86} 84}
87 85
88asmlinkage void plat_irq_dispatch(struct pt_regs *regs) 86asmlinkage void plat_irq_dispatch(void)
89{ 87{
90 unsigned int pending = read_c0_status() & read_c0_cause(); 88 unsigned int pending = read_c0_status() & read_c0_cause();
91 89
92 if (pending & STATUSF_IP2) 90 if (pending & STATUSF_IP2)
93 hw0_irqdispatch(2, regs); 91 hw0_irqdispatch(2);
94 else if (pending & STATUSF_IP7) { 92 else if (pending & STATUSF_IP7) {
95 if (read_c0_config7() & 0x01c0) 93 if (read_c0_config7() & 0x01c0)
96 timer_irqdispatch(7, regs); 94 timer_irqdispatch(7);
97 } 95 }
98 96
99 spurious_interrupt(regs); 97 spurious_interrupt();
100} 98}
101 99
102static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask) 100static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask)