xtensa: Use generic show_interrupts()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 10 insertions, 44 deletions

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index a1c7482ad0ec..d0ecf7e2a9b6 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -8,6 +8,7 @@ config XTENSA
         def_bool y
         select HAVE_IDE
         select HAVE_GENERIC_HARDIRQS
+        select GENERIC_IRQ_SHOW
         select GENERIC_HARDIRQS_NO_DEPRECATED
         help
           Xtensa processors are 32-bit RISC machines designed by Tensilica
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 98c0d6bafdf2..d77089df412e 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -62,51 +62,16 @@ asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
         set_irq_regs(old_regs);
 }
 
-/*
- * Generic, controller-independent functions:
- */
-
-int show_interrupts(struct seq_file *p, void *v)
+int arch_show_interrupts(struct seq_file *p, int prec)
 {
-        int i = *(loff_t *) v, j;
-        struct irqaction * action;
-        unsigned long flags;
-
-        if (i == 0) {
-                seq_printf(p, "           ");
-                for_each_online_cpu(j)
-                        seq_printf(p, "CPU%d       ",j);
-                seq_putc(p, '\n');
-        }
-
-        if (i < NR_IRQS) {
-                raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
-                action = irq_desc[i].action;
-                if (!action)
-                        goto skip;
-                seq_printf(p, "%3d: ",i);
-#ifndef CONFIG_SMP
-                seq_printf(p, "%10u ", kstat_irqs(i));
-#else
-                for_each_online_cpu(j)
-                        seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-#endif
-                seq_printf(p, " %14s", 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_putc(p, '\n');
-skip:
-                raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-        } else if (i == NR_IRQS) {
-                seq_printf(p, "NMI: ");
-                for_each_online_cpu(j)
-                        seq_printf(p, "%10u ", nmi_count(j));
-                seq_putc(p, '\n');
-                seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-        }
+        int j;
+
+        seq_printf(p, "%*s: ", prec, "NMI");
+        for_each_online_cpu(j)
+                seq_printf(p, "%10u ", nmi_count(j));
+        seq_putc(p, '\n');
+        seq_printf(p, "%*s: ", prec, "ERR");
+        seq_printf(p, "%10u\n", atomic_read(&irq_err_count));
         return 0;
 }