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Subject[PATCH 3/3] Input: aiptek - switch to using dev_groups for driver-specific attributes
Date
The driver core now has the ability to handle the creation and removal
of device-specific sysfs files, let's use it instead of registering and
unregistering attributes by hand.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
drivers/input/tablet/aiptek.c | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 24ec4844a5c3..baabc51547b8 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1617,7 +1617,7 @@ static ssize_t show_firmwareCode(struct device *dev, struct device_attribute *at

static DEVICE_ATTR(firmware_code, S_IRUGO, show_firmwareCode, NULL);

-static struct attribute *aiptek_attributes[] = {
+static struct attribute *aiptek_dev_attrs[] = {
&dev_attr_size.attr,
&dev_attr_pointer_mode.attr,
&dev_attr_coordinate_mode.attr,
@@ -1641,9 +1641,7 @@ static struct attribute *aiptek_attributes[] = {
NULL
};

-static const struct attribute_group aiptek_attribute_group = {
- .attrs = aiptek_attributes,
-};
+ATTRIBUTE_GROUPS(aiptek_dev);

/***********************************************************************
* This routine is called when a tablet has been identified. It basically
@@ -1842,26 +1840,16 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
*/
usb_set_intfdata(intf, aiptek);

- /* Set up the sysfs files
- */
- err = sysfs_create_group(&intf->dev.kobj, &aiptek_attribute_group);
- if (err) {
- dev_warn(&intf->dev, "cannot create sysfs group err: %d\n",
- err);
- goto fail3;
- }
-
/* Register the tablet as an Input Device
*/
err = input_register_device(aiptek->inputdev);
if (err) {
dev_warn(&intf->dev,
"input_register_device returned err: %d\n", err);
- goto fail4;
+ goto fail3;
}
return 0;

- fail4: sysfs_remove_group(&intf->dev.kobj, &aiptek_attribute_group);
fail3: usb_free_urb(aiptek->urb);
fail2: usb_free_coherent(usbdev, AIPTEK_PACKET_LENGTH, aiptek->data,
aiptek->data_dma);
@@ -1886,7 +1874,6 @@ static void aiptek_disconnect(struct usb_interface *intf)
*/
usb_kill_urb(aiptek->urb);
input_unregister_device(aiptek->inputdev);
- sysfs_remove_group(&intf->dev.kobj, &aiptek_attribute_group);
usb_free_urb(aiptek->urb);
usb_free_coherent(interface_to_usbdev(intf),
AIPTEK_PACKET_LENGTH,
@@ -1900,6 +1887,7 @@ static struct usb_driver aiptek_driver = {
.probe = aiptek_probe,
.disconnect = aiptek_disconnect,
.id_table = aiptek_ids,
+ .dev_groups = aiptek_dev_groups,
};

module_usb_driver(aiptek_driver);
--
2.37.2.789.g6183377224-goog
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