MN10300: ASB2364: Handle the IRQ multiplexer in the FPGA
Handle the IRQ multiplexer in the FPGA by implementing a cascade interrupt
driver for it.
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/arch/mn10300/kernel/irq.c b/arch/mn10300/kernel/irq.c
index 2f66a45..c2e4459 100644
--- a/arch/mn10300/kernel/irq.c
+++ b/arch/mn10300/kernel/irq.c
@@ -381,9 +381,16 @@
seq_printf(p, "%3d: ", i);
for_each_present_cpu(cpu)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu));
- seq_printf(p, " %14s.%u", irq_desc[i].chip->name,
- (GxICR(i) & GxICR_LEVEL) >>
- GxICR_LEVEL_SHIFT);
+
+ if (i < NR_CPU_IRQS)
+ seq_printf(p, " %14s.%u",
+ irq_desc[i].chip->name,
+ (GxICR(i) & GxICR_LEVEL) >>
+ GxICR_LEVEL_SHIFT);
+ else
+ seq_printf(p, " %14s",
+ irq_desc[i].chip->name);
+
seq_printf(p, " %s", action->name);
for (action = action->next;