if (!hid)
return -ENODEV;
- if (down_trylock(&hid->driver_lock))
+ if (down_trylock(&hid->driver_input_lock))
return -EBUSY;
if (!hid->driver) {
hid_report_raw_event(hid, type, data, size, interrupt);
unlock:
- up(&hid->driver_lock);
+ up(&hid->driver_input_lock);
return ret;
}
EXPORT_SYMBOL_GPL(hid_input_report);
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_WIRELESS_TOUCHPAD_T651) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
if (down_interruptible(&hdev->driver_lock))
return -EINTR;
+ if (down_interruptible(&hdev->driver_input_lock)) {
+ ret = -EINTR;
+ goto unlock_driver_lock;
+ }
+ hdev->io_started = false;
if (!hdev->driver) {
id = hid_match_device(hdev, hdrv);
hdev->driver = NULL;
}
unlock:
+ if (!hdev->io_started)
+ up(&hdev->driver_input_lock);
+unlock_driver_lock:
up(&hdev->driver_lock);
return ret;
}
{
struct hid_device *hdev = container_of(dev, struct hid_device, dev);
struct hid_driver *hdrv;
+ int ret = 0;
if (down_interruptible(&hdev->driver_lock))
return -EINTR;
+ if (down_interruptible(&hdev->driver_input_lock)) {
+ ret = -EINTR;
+ goto unlock_driver_lock;
+ }
+ hdev->io_started = false;
hdrv = hdev->driver;
if (hdrv) {
hdev->driver = NULL;
}
+ if (!hdev->io_started)
+ up(&hdev->driver_input_lock);
+unlock_driver_lock:
up(&hdev->driver_lock);
- return 0;
+ return ret;
}
static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
{ }
};
-static bool hid_ignore(struct hid_device *hdev)
+bool hid_ignore(struct hid_device *hdev)
{
+ if (hdev->quirks & HID_QUIRK_NO_IGNORE)
+ return false;
+ if (hdev->quirks & HID_QUIRK_IGNORE)
+ return true;
+
switch (hdev->vendor) {
case USB_VENDOR_ID_CODEMERCS:
/* ignore all Code Mercenaries IOWarrior devices */
return !!hid_match_id(hdev, hid_ignore_list);
}
+EXPORT_SYMBOL_GPL(hid_ignore);
int hid_add_device(struct hid_device *hdev)
{
/* we need to kill them here, otherwise they will stay allocated to
* wait for coming driver */
- if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
- && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
+ if (hid_ignore(hdev))
return -ENODEV;
/* XXX hack, any other cleaner solution after the driver core
init_waitqueue_head(&hdev->debug_wait);
INIT_LIST_HEAD(&hdev->debug_list);
sema_init(&hdev->driver_lock, 1);
+ sema_init(&hdev->driver_input_lock, 1);
return hdev;
err: