struct regmap_irq_chip_data {
        struct mutex lock;
+       struct irq_chip irq_chip;
 
        struct regmap *map;
        const struct regmap_irq_chip *chip;
        return 0;
 }
 
-static struct irq_chip regmap_irq_chip = {
+static const struct irq_chip regmap_irq_chip = {
        .name                   = "regmap",
        .irq_bus_lock           = regmap_irq_lock,
        .irq_bus_sync_unlock    = regmap_irq_sync_unlock,
        struct regmap_irq_chip_data *data = h->host_data;
 
        irq_set_chip_data(virq, data);
-       irq_set_chip_and_handler(virq, ®map_irq_chip, handle_edge_irq);
+       irq_set_chip_and_handler(virq, &data->irq_chip, handle_edge_irq);
        irq_set_nested_thread(virq, 1);
 
        /* ARM needs us to explicitly flag the IRQ as valid
                        goto err_alloc;
        }
 
+       d->irq_chip = regmap_irq_chip;
        d->irq = irq;
        d->map = map;
        d->chip = chip;