Merge remote-tracking branch 'regulator/topic/lp3971' into regulator-next
[firefly-linux-kernel-4.4.55.git] / drivers / gpio / gpio-tc3589x.c
index 839f44923cb9cd0e351b3231a806968c58a91a36..c0595bbf3268d4bd8fff5dc5118e721c769c064d 100644 (file)
@@ -292,17 +292,15 @@ static int tc3589x_gpio_irq_init(struct tc3589x_gpio *tc3589x_gpio,
 {
        int base = tc3589x_gpio->irq_base;
 
-       if (base) {
-               tc3589x_gpio->domain = irq_domain_add_legacy(
-                       NULL, tc3589x_gpio->chip.ngpio, base,
-                       0, &tc3589x_irq_ops, tc3589x_gpio);
-       }
-       else {
-               tc3589x_gpio->domain = irq_domain_add_linear(
-                       np, tc3589x_gpio->chip.ngpio,
-                       &tc3589x_irq_ops, tc3589x_gpio);
-       }
-
+       /*
+        * If this results in a linear domain, irq_create_mapping() will
+        * take care of allocating IRQ descriptors at runtime. When a base
+        * is provided, the IRQ descriptors will be allocated when the
+        * domain is instantiated.
+        */
+       tc3589x_gpio->domain = irq_domain_add_simple(np,
+                       tc3589x_gpio->chip.ngpio, base, &tc3589x_irq_ops,
+                       tc3589x_gpio);
        if (!tc3589x_gpio->domain) {
                dev_err(tc3589x_gpio->dev, "Failed to create irqdomain\n");
                return -ENOSYS;