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-rw-r--r--arch/s390/include/asm/irq.h11
-rw-r--r--arch/s390/kernel/irq.c5
2 files changed, 5 insertions, 11 deletions
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index b0d5f0a97a0..343ea7c987a 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -1,11 +1,11 @@
#ifndef _ASM_IRQ_H
#define _ASM_IRQ_H
-#define EXT_INTERRUPT 1
-#define IO_INTERRUPT 2
-#define THIN_INTERRUPT 3
+#define EXT_INTERRUPT 0
+#define IO_INTERRUPT 1
+#define THIN_INTERRUPT 2
-#define NR_IRQS_BASE 4
+#define NR_IRQS_BASE 3
#ifdef CONFIG_PCI_NR_MSI
# define NR_IRQS (NR_IRQS_BASE + CONFIG_PCI_NR_MSI)
@@ -13,9 +13,6 @@
# define NR_IRQS NR_IRQS_BASE
#endif
-/* This number is used when no interrupt has been assigned */
-#define NO_IRQ 0
-
/* External interruption codes */
#define EXT_IRQ_INTERRUPT_KEY 0x0040
#define EXT_IRQ_CLK_COMP 0x1004
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 1b8a38ab786..f238720690f 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -127,13 +127,10 @@ int show_interrupts(struct seq_file *p, void *v)
for_each_online_cpu(cpu)
seq_printf(p, "CPU%d ", cpu);
seq_putc(p, '\n');
- goto out;
}
if (index < NR_IRQS) {
if (index >= NR_IRQS_BASE)
goto out;
- /* Adjust index to process irqclass_main_desc array entries */
- index--;
seq_printf(p, "%s: ", irqclass_main_desc[index].name);
irq = irqclass_main_desc[index].irq;
for_each_online_cpu(cpu)
@@ -158,7 +155,7 @@ out:
unsigned int arch_dynirq_lower_bound(unsigned int from)
{
- return from < THIN_INTERRUPT ? THIN_INTERRUPT : from;
+ return from < NR_IRQS_BASE ? NR_IRQS_BASE : from;
}
/*