diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index c664947..e436dcb 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1511,6 +1511,9 @@
 		c = oh->slaves[oh->_mpu_port_index]->_clk;
 	}
 
+	if (!c->clkdm)
+		return NULL;
+
 	return c->clkdm->pwrdm.ptr;
 
 }