ARC: Prepare interrupt code for external controllers
This patch adds some room for CPU-external interrupt controllers in the
Linux interrupt space. Until now, only the 32 CPU internal interrupt lines
were supported which does not allow for external interrupt controllers such
as GPIO modules etc.
Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com>
Signed-off-by: Pierrick Hascoet <pierrick.hascoet@abilis.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index dd4b7e3..8115fa5 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -105,7 +105,7 @@
if (parent)
panic("DeviceTree incore intc not a root irq controller\n");
- root_domain = irq_domain_add_legacy(intc, NR_IRQS, 0, 0,
+ root_domain = irq_domain_add_legacy(intc, NR_CPU_IRQS, 0, 0,
&arc_intc_domain_ops, NULL);
if (!root_domain)