- chip->irq_gc = irq_alloc_generic_chip("gpio-pl061", 1, irq_base,
- chip->base, handle_simple_irq);
- chip->irq_gc->private = chip;
+static void pl061_irq_unmask(struct irq_data *d)
+{
+ struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
+ u8 mask = 1 << (irqd_to_hwirq(d) % PL061_GPIO_NR);
+ u8 gpioie;
+
+ spin_lock(&chip->lock);
+ gpioie = readb(chip->base + GPIOIE) | mask;
+ writeb(gpioie, chip->base + GPIOIE);
+ spin_unlock(&chip->lock);
+}
+
+static struct irq_chip pl061_irqchip = {
+ .name = "pl061 gpio",
+ .irq_mask = pl061_irq_mask,
+ .irq_unmask = pl061_irq_unmask,
+ .irq_set_type = pl061_irq_type,
+};
+
+static int pl061_irq_map(struct irq_domain *d, unsigned int virq,
+ irq_hw_number_t hw)
+{
+ struct pl061_gpio *chip = d->host_data;