*
  */
 
-static struct cm_ll_data omap2xxx_cm_ll_data = {
+static const struct cm_ll_data omap2xxx_cm_ll_data = {
        .split_idlest_reg       = &omap2xxx_cm_split_idlest_reg,
        .wait_module_ready      = &omap2xxx_cm_wait_module_ready,
 };
 
        .clkdm_clk_disable      = am33xx_clkdm_clk_disable,
 };
 
-static struct cm_ll_data am33xx_cm_ll_data = {
+static const struct cm_ll_data am33xx_cm_ll_data = {
        .wait_module_ready      = &am33xx_cm_wait_module_ready,
        .wait_module_idle       = &am33xx_cm_wait_module_idle,
        .module_enable          = &am33xx_cm_module_enable,
 
  *
  */
 
-static struct cm_ll_data omap3xxx_cm_ll_data = {
+static const struct cm_ll_data omap3xxx_cm_ll_data = {
        .split_idlest_reg       = &omap3xxx_cm_split_idlest_reg,
        .wait_module_ready      = &omap3xxx_cm_wait_module_ready,
 };
 
        .clkdm_xlate_address    = omap4_clkdm_xlate_address,
 };
 
-static struct cm_ll_data omap4xxx_cm_ll_data = {
+static const struct cm_ll_data omap4xxx_cm_ll_data = {
        .wait_module_ready      = &omap4_cminst_wait_module_ready,
        .wait_module_idle       = &omap4_cminst_wait_module_idle,
        .module_enable          = &omap4_cminst_module_enable,