HID: cp2112: Use irqchip template
authorLinus Walleij <linus.walleij@linaro.org>
Wed, 22 Jul 2020 07:56:32 +0000 (09:56 +0200)
committerJiri Kosina <jkosina@suse.cz>
Mon, 17 Aug 2020 09:59:09 +0000 (11:59 +0200)
This makes the driver use the irqchip template to assign
properties to the gpio_irq_chip instead of using the
explicit calls to gpiochip_irqchip_add(). The irqchip is
instead added while adding the gpiochip.

Cc: Eudean Sun <eudean@arista.com>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/hid-cp2112.c

index f64517bc33e27426bd9b692709c954499dbf240f..21e15627a46145a5b0a6e1a44b2268b5922d99a7 100644 (file)
@@ -1235,6 +1235,7 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
        struct cp2112_device *dev;
        u8 buf[3];
        struct cp2112_smbus_config_report config;
+       struct gpio_irq_chip *girq;
        int ret;
 
        dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);
@@ -1338,6 +1339,15 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
        dev->gc.can_sleep               = 1;
        dev->gc.parent                  = &hdev->dev;
 
+       girq = &dev->gc.irq;
+       girq->chip = &cp2112_gpio_irqchip;
+       /* The event comes from the outside so no parent handler */
+       girq->parent_handler = NULL;
+       girq->num_parents = 0;
+       girq->parents = NULL;
+       girq->default_type = IRQ_TYPE_NONE;
+       girq->handler = handle_simple_irq;
+
        ret = gpiochip_add_data(&dev->gc, dev);
        if (ret < 0) {
                hid_err(hdev, "error registering gpio chip\n");
@@ -1353,17 +1363,8 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
        chmod_sysfs_attrs(hdev);
        hid_hw_power(hdev, PM_HINT_NORMAL);
 
-       ret = gpiochip_irqchip_add(&dev->gc, &cp2112_gpio_irqchip, 0,
-                                  handle_simple_irq, IRQ_TYPE_NONE);
-       if (ret) {
-               dev_err(dev->gc.parent, "failed to add IRQ chip\n");
-               goto err_sysfs_remove;
-       }
-
        return ret;
 
-err_sysfs_remove:
-       sysfs_remove_group(&hdev->dev.kobj, &cp2112_attr_group);
 err_gpiochip_remove:
        gpiochip_remove(&dev->gc);
 err_free_i2c: