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-rw-r--r--arch/sh/kernel/irq.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index c7ebd6aec951..3b93682bf18b 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -17,6 +17,8 @@
17#include <asm/thread_info.h> 17#include <asm/thread_info.h>
18#include <asm/cpu/mmu_context.h> 18#include <asm/cpu/mmu_context.h>
19 19
20atomic_t irq_err_count;
21
20/* 22/*
21 * 'what should we do if we get a hw irq event on an illegal vector'. 23 * 'what should we do if we get a hw irq event on an illegal vector'.
22 * each architecture has to answer this themselves, it doesn't deserve 24 * each architecture has to answer this themselves, it doesn't deserve
@@ -47,8 +49,10 @@ int show_interrupts(struct seq_file *p, void *v)
47 if (!action) 49 if (!action)
48 goto unlock; 50 goto unlock;
49 seq_printf(p, "%3d: ",i); 51 seq_printf(p, "%3d: ",i);
50 seq_printf(p, "%10u ", kstat_irqs(i)); 52 for_each_online_cpu(j)
51 seq_printf(p, " %14s", irq_desc[i].chip->typename); 53 seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
54 seq_printf(p, " %14s", irq_desc[i].chip->name);
55 seq_printf(p, "-%s", handle_irq_name(irq_desc[i].handle_irq));
52 seq_printf(p, " %s", action->name); 56 seq_printf(p, " %s", action->name);
53 57
54 for (action=action->next; action; action = action->next) 58 for (action=action->next; action; action = action->next)
@@ -56,7 +60,9 @@ int show_interrupts(struct seq_file *p, void *v)
56 seq_putc(p, '\n'); 60 seq_putc(p, '\n');
57unlock: 61unlock:
58 spin_unlock_irqrestore(&irq_desc[i].lock, flags); 62 spin_unlock_irqrestore(&irq_desc[i].lock, flags);
59 } 63 } else if (i == NR_IRQS)
64 seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count));
65
60 return 0; 66 return 0;
61} 67}
62#endif 68#endif
@@ -78,6 +84,7 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
78 unsigned long r6, unsigned long r7, 84 unsigned long r6, unsigned long r7,
79 struct pt_regs regs) 85 struct pt_regs regs)
80{ 86{
87 struct pt_regs *old_regs = set_irq_regs(&regs);
81 int irq = r4; 88 int irq = r4;
82#ifdef CONFIG_4KSTACKS 89#ifdef CONFIG_4KSTACKS
83 union irq_ctx *curctx, *irqctx; 90 union irq_ctx *curctx, *irqctx;
@@ -139,7 +146,6 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
139 146
140 __asm__ __volatile__ ( 147 __asm__ __volatile__ (
141 "mov %0, r4 \n" 148 "mov %0, r4 \n"
142 "mov %1, r5 \n"
143 "mov r15, r9 \n" 149 "mov r15, r9 \n"
144 "jsr @%2 \n" 150 "jsr @%2 \n"
145 /* swith to the irq stack */ 151 /* swith to the irq stack */
@@ -147,17 +153,18 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
147 /* restore the stack (ring zero) */ 153 /* restore the stack (ring zero) */
148 "mov r9, r15 \n" 154 "mov r9, r15 \n"
149 : /* no outputs */ 155 : /* no outputs */
150 : "r" (irq), "r" (&regs), "r" (__do_IRQ), "r" (isp) 156 : "r" (irq), "r" (generic_handle_irq), "r" (isp)
151 /* XXX: A somewhat excessive clobber list? -PFM */ 157 /* XXX: A somewhat excessive clobber list? -PFM */
152 : "memory", "r0", "r1", "r2", "r3", "r4", 158 : "memory", "r0", "r1", "r2", "r3", "r4",
153 "r5", "r6", "r7", "r8", "t", "pr" 159 "r5", "r6", "r7", "r8", "t", "pr"
154 ); 160 );
155 } else 161 } else
156#endif 162#endif
157 __do_IRQ(irq, &regs); 163 generic_handle_irq(irq);
158 164
159 irq_exit(); 165 irq_exit();
160 166
167 set_irq_regs(old_regs);
161 return 1; 168 return 1;
162} 169}
163 170