Blackfin arch: SMP supporting patchset: Blackfin kernel and memory management code

[net-next-2.6.git] / arch / blackfin / kernel / irqchip.c

diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c
index 07402f57c9dea2f401bb40110f92dc57e5601281..9eebb782fd309522df8804a876983da03a901603 100644 (file)
--- a/arch/blackfin/kernel/irqchip.c
+++ b/arch/blackfin/kernel/irqchip.c
@@ -36,7 +36,7 @@
 #include <linux/irq.h>
 #include <asm/trace.h>
 
-static unsigned long irq_err_count;
+static atomic_t irq_err_count;
 static spinlock_t irq_controller_lock;
 
 /*
@@ -48,7 +48,7 @@ void dummy_mask_unmask_irq(unsigned int irq)
 
 void ack_bad_irq(unsigned int irq)
 {
-       irq_err_count += 1;
+       atomic_inc(&irq_err_count);
        printk(KERN_ERR "IRQ: spurious interrupt %d\n", irq);
 }
 EXPORT_SYMBOL(ack_bad_irq);
@@ -72,7 +72,7 @@ static struct irq_desc bad_irq_desc = {
 
 int show_interrupts(struct seq_file *p, void *v)
 {
-       int i = *(loff_t *) v;
+       int i = *(loff_t *) v, j;
        struct irqaction *action;
        unsigned long flags;
 
@@ -80,19 +80,20 @@ int show_interrupts(struct seq_file *p, void *v)
                spin_lock_irqsave(&irq_desc[i].lock, flags);
                action = irq_desc[i].action;
                if (!action)
-                       goto unlock;
-
-               seq_printf(p, "%3d: %10u ", i, kstat_irqs(i));
+                       goto skip;
+               seq_printf(p, "%3d: ", i);
+               for_each_online_cpu(j)
+                       seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+               seq_printf(p, " %8s", irq_desc[i].chip->name);
                seq_printf(p, "  %s", action->name);
                for (action = action->next; action; action = action->next)
-                       seq_printf(p, ", %s", action->name);
+                       seq_printf(p, "  %s", action->name);
 
                seq_putc(p, '\n');
- unlock:
+ skip:
                spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-       } else if (i == NR_IRQS) {
-               seq_printf(p, "Err: %10lu\n", irq_err_count);
-       }
+       } else if (i == NR_IRQS)
+               seq_printf(p, "Err: %10u\n",  atomic_read(&irq_err_count));
        return 0;
 }
 
@@ -101,7 +102,6 @@ int show_interrupts(struct seq_file *p, void *v)
  * come via this function.  Instead, they should provide their
  * own 'handler'
  */
-
 #ifdef CONFIG_DO_IRQ_L1
 __attribute__((l1_text))
 #endif