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>
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2 changed files with 11 additions and 0 deletions
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@ -1255,6 +1255,7 @@ static void acm_disconnect(struct usb_interface *intf)
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tty_hangup(acm->tty);
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}
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#ifdef CONFIG_PM
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static int acm_suspend(struct usb_interface *intf, pm_message_t message)
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{
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struct acm *acm = usb_get_intfdata(intf);
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@ -1320,6 +1321,8 @@ static int acm_resume(struct usb_interface *intf)
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mutex_unlock(&acm->mutex);
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return rv;
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}
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#endif /* CONFIG_PM */
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/*
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* USB driver structure.
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*/
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@ -1375,10 +1378,14 @@ static struct usb_driver acm_driver = {
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.name = "cdc_acm",
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.probe = acm_probe,
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.disconnect = acm_disconnect,
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#ifdef CONFIG_PM
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.suspend = acm_suspend,
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.resume = acm_resume,
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#endif
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.id_table = acm_ids,
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#ifdef CONFIG_PM
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.supports_autosuspend = 1,
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#endif
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};
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/*
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@ -750,12 +750,16 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message)
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dev_dbg(&desc->intf->dev, "wdm%d_suspend\n", intf->minor);
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mutex_lock(&desc->plock);
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#ifdef CONFIG_PM
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if (interface_to_usbdev(desc->intf)->auto_pm && test_bit(WDM_IN_USE, &desc->flags)) {
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rv = -EBUSY;
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} else {
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#endif
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cancel_work_sync(&desc->rxwork);
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kill_urbs(desc);
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#ifdef CONFIG_PM
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}
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#endif
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mutex_unlock(&desc->plock);
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return rv;
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