1 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 228b850e632f..a2e1174ad1b6 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/slab.h>
 
+#include "soc.h"
 #include "prm2xxx_3xxx.h"
 #include "prm2xxx.h"
 #include "prm3xxx.h"
@@ -322,6 +323,16 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup)
                 prcm_irq_chips[i] = gc;
         }
 
+        if (of_have_populated_dt()) {
+                int irq = omap_prcm_event_to_irq("io");
+                if (cpu_is_omap34xx())
+                        omap_pcs_legacy_init(irq,
+                                omap3xxx_prm_reconfigure_io_chain);
+                else
+                        omap_pcs_legacy_init(irq,
+                                omap44xx_prm_reconfigure_io_chain);
+        }
+
         return 0;
 
 err: