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-rw-r--r--drivers/usb/class/cdc-acm.c7
-rw-r--r--drivers/usb/class/cdc-wdm.c4
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;