diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index e0f0d9860875f7227513fb4795ba7f1f84acc182..03310dd80311d0b62f9c61ef4338b3f002be6ae9 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -676,7 +676,7 @@ struct omap_hwmod {
 	const char			*main_clk;
 	struct clk			*_clk;
 	struct omap_hwmod_opt_clk	*opt_clks;
-	char				*clkdm_name;
+	const char			*clkdm_name;
 	struct clockdomain		*clkdm;
 	struct list_head		slave_ports; /* connect to *_TA */
 	void				*dev_attr;