diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index 7b9db603b936..4c03eda47406 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -228,7 +228,7 @@ out_free_pmc:
 	return NULL;
 }
 
-static const struct of_device_id pmc_clk_ids[] __initdata = {
+static const struct of_device_id pmc_clk_ids[] __initconst = {
 	/* Main clock */
 	{
 		.compatible = "atmel,at91rm9200-clk-main",