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>
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 93b28ee..95ae637 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1255,6 +1255,7 @@
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 @@
mutex_unlock(&acm->mutex);
return rv;
}
+
+#endif /* CONFIG_PM */
/*
* USB driver structure.
*/
@@ -1375,10 +1378,14 @@
.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 1103ce70..7e8e123 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -750,12 +750,16 @@
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;