USB: fix build error in cdc-acm for CONFIG_PM=n

Here's the fix. cdc-wdm has the same problem. The fix is the same.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 11 insertions, 0 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 93b28ee8e8bd..95ae6377d7e5 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 1103ce7016b1..7e8e1235e4e5 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;