diff options
Diffstat (limited to 'drivers/usb/class')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 7 | ||||
| -rw-r--r-- | drivers/usb/class/cdc-wdm.c | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 93b28ee8e8b..95ae6377d7e 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1255,6 +1255,7 @@ static void acm_disconnect(struct usb_interface *intf) tty_hangup(acm->tty); } +#ifdef CONFIG_PM static int acm_suspend(struct usb_interface *intf, pm_message_t message) { struct acm *acm = usb_get_intfdata(intf); @@ -1320,6 +1321,8 @@ err_out: mutex_unlock(&acm->mutex); return rv; } + +#endif /* CONFIG_PM */ /* * USB driver structure. */ @@ -1375,10 +1378,14 @@ static struct usb_driver acm_driver = { .name = "cdc_acm", .probe = acm_probe, .disconnect = acm_disconnect, +#ifdef CONFIG_PM .suspend = acm_suspend, .resume = acm_resume, +#endif .id_table = acm_ids, +#ifdef CONFIG_PM .supports_autosuspend = 1, +#endif }; /* diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 1103ce7016b..7e8e1235e4e 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -750,12 +750,16 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message) dev_dbg(&desc->intf->dev, "wdm%d_suspend\n", intf->minor); mutex_lock(&desc->plock); +#ifdef CONFIG_PM if (interface_to_usbdev(desc->intf)->auto_pm && test_bit(WDM_IN_USE, &desc->flags)) { rv = -EBUSY; } else { +#endif cancel_work_sync(&desc->rxwork); kill_urbs(desc); +#ifdef CONFIG_PM } +#endif mutex_unlock(&desc->plock); return rv; |