BD9571MWV_INT_INTREQ_BKUP_TRG_INT),
 };
 
-static struct regmap_irq_chip bd9571mwv_irq_chip = {
+static const struct regmap_irq_chip bd9571mwv_irq_chip = {
        .name           = "bd9571mwv",
        .status_base    = BD9571MWV_INT_INTREQ,
        .mask_base      = BD9571MWV_INT_INTMASK,
        .max_register   = 0xff,
 };
 
-static struct regmap_irq_chip bd9574mwf_irq_chip = {
+static const struct regmap_irq_chip bd9574mwf_irq_chip = {
        .name           = "bd9574mwf",
        .status_base    = BD9571MWV_INT_INTREQ,
        .mask_base      = BD9571MWV_INT_INTMASK,