diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hid/usbhid/hid-core.c | 101 |
1 files changed, 51 insertions, 50 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index d79100a01b0..054f0c521e6 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -1210,6 +1210,56 @@ static void hid_cease_io(struct usbhid_device *usbhid) flush_scheduled_work(); } +/* Treat USB reset pretty much the same as suspend/resume */ +static int hid_pre_reset(struct usb_interface *intf) +{ + struct hid_device *hid = usb_get_intfdata(intf); + struct usbhid_device *usbhid = hid->driver_data; + + spin_lock_irq(&usbhid->lock); + set_bit(HID_RESET_PENDING, &usbhid->iofl); + spin_unlock_irq(&usbhid->lock); + hid_cease_io(usbhid); + + return 0; +} + +/* Same routine used for post_reset and reset_resume */ +static int hid_post_reset(struct usb_interface *intf) +{ + struct usb_device *dev = interface_to_usbdev (intf); + struct hid_device *hid = usb_get_intfdata(intf); + struct usbhid_device *usbhid = hid->driver_data; + int status; + + spin_lock_irq(&usbhid->lock); + clear_bit(HID_RESET_PENDING, &usbhid->iofl); + spin_unlock_irq(&usbhid->lock); + hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0); + /* FIXME: Any more reinitialization needed? */ + status = hid_start_in(hid); + if (status < 0) + hid_io_error(hid); + usbhid_restart_queues(usbhid); + + return 0; +} + +int usbhid_get_power(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + return usb_autopm_get_interface(usbhid->intf); +} + +void usbhid_put_power(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + usb_autopm_put_interface(usbhid->intf); +} + + #ifdef CONFIG_PM static int hid_suspend(struct usb_interface *intf, pm_message_t message) { @@ -1293,43 +1343,6 @@ static int hid_resume(struct usb_interface *intf) return 0; } -#endif /* CONFIG_PM */ - -/* Treat USB reset pretty much the same as suspend/resume */ -static int hid_pre_reset(struct usb_interface *intf) -{ - struct hid_device *hid = usb_get_intfdata(intf); - struct usbhid_device *usbhid = hid->driver_data; - - spin_lock_irq(&usbhid->lock); - set_bit(HID_RESET_PENDING, &usbhid->iofl); - spin_unlock_irq(&usbhid->lock); - hid_cease_io(usbhid); - - return 0; -} - -/* Same routine used for post_reset and reset_resume */ -static int hid_post_reset(struct usb_interface *intf) -{ - struct usb_device *dev = interface_to_usbdev (intf); - struct hid_device *hid = usb_get_intfdata(intf); - struct usbhid_device *usbhid = hid->driver_data; - int status; - - spin_lock_irq(&usbhid->lock); - clear_bit(HID_RESET_PENDING, &usbhid->iofl); - spin_unlock_irq(&usbhid->lock); - hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0); - /* FIXME: Any more reinitialization needed? */ - status = hid_start_in(hid); - if (status < 0) - hid_io_error(hid); - usbhid_restart_queues(usbhid); - - return 0; -} - static int hid_reset_resume(struct usb_interface *intf) { struct hid_device *hid = usb_get_intfdata(intf); @@ -1339,19 +1352,7 @@ static int hid_reset_resume(struct usb_interface *intf) return hid_post_reset(intf); } -int usbhid_get_power(struct hid_device *hid) -{ - struct usbhid_device *usbhid = hid->driver_data; - - return usb_autopm_get_interface(usbhid->intf); -} - -void usbhid_put_power(struct hid_device *hid) -{ - struct usbhid_device *usbhid = hid->driver_data; - - usb_autopm_put_interface(usbhid->intf); -} +#endif /* CONFIG_PM */ static struct usb_device_id hid_usb_ids [] = { { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, |