ARM: CSR: IRQ: add simple irq_domain so that hw irq can map to Linux

Signed-off-by: Barry Song <Baohua.Song@csr.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/mach-prima2/irq.c b/arch/arm/mach-prima2/irq.c
index 7af254d046ba..cf80a72c0a09 100644
--- a/arch/arm/mach-prima2/irq.c
+++ b/arch/arm/mach-prima2/irq.c
@@ -13,6 +13,7 @@
 #include <asm/mach/irq.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/irqdomain.h>
 
 #define SIRFSOC_INT_RISC_MASK0          0x0018
 #define SIRFSOC_INT_RISC_MASK1          0x001C
@@ -66,6 +67,8 @@ void __init sirfsoc_of_irq_init(void)
         if (!sirfsoc_intc_base)
                 panic("unable to map intc cpu registers\n");
 
+        irq_domain_add_simple(np, 0);
+
         of_node_put(np);
 
         sirfsoc_irq_init();