+static void intel_gpio_irq_init(struct intel_pinctrl *pctrl)
+{
+ int i;
+
+ for (i = 0; i < pctrl->ncommunities; i++) {
+ const struct intel_community *community;
+ void __iomem *base;
+ unsigned int gpp;
+
+ community = &pctrl->communities[i];
+ base = community->regs;
+
+ for (gpp = 0; gpp < community->ngpps; gpp++) {
+ /* Mask and clear all interrupts */
+ writel(0, base + community->ie_offset + gpp * 4);
+ writel(0xffff, base + community->is_offset + gpp * 4);
+ }
+ }
+}
+
+static int intel_gpio_irq_init_hw(struct gpio_chip *gc)
+{
+ struct intel_pinctrl *pctrl = gpiochip_get_data(gc);
+
+ /*
+ * Make sure the interrupt lines are in a proper state before
+ * further configuration.
+ */
+ intel_gpio_irq_init(pctrl);
+
+ return 0;
+}
+