From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753200AbZGZIV0 (ORCPT ); Sun, 26 Jul 2009 04:21:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753160AbZGZIVF (ORCPT ); Sun, 26 Jul 2009 04:21:05 -0400 Received: from www.tglx.de ([62.245.132.106]:33828 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753126AbZGZIU3 (ORCPT ); Sun, 26 Jul 2009 04:20:29 -0400 Message-Id: <20090726081556.134234562@linutronix.de> User-Agent: quilt/0.47-1 Date: Sun, 26 Jul 2009 08:18:49 -0000 From: Thomas Gleixner To: LKML Cc: Andrew Morton , Ingo Molnar , Peter Zijlstra , Greg Kroah-Hartman Subject: [Patch RFC 22/37] usb: ftdi-elan: Convert "mutex" to semaphore References: <20090726081459.455111897@linutronix.de> Content-Disposition: inline; filename=usb-ftdi-elan-use-semaphore-init-instead-of-init-MUTEX.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The "mutex" ftdi->sw_lock is used as a lock and a completion. Convert it to a real semaphore which allows both. Signed-off-by: Thomas Gleixner Cc: Greg Kroah-Hartman --- drivers/usb/misc/ftdi-elan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6-tip/drivers/usb/misc/ftdi-elan.c =================================================================== --- linux-2.6-tip.orig/drivers/usb/misc/ftdi-elan.c +++ linux-2.6-tip/drivers/usb/misc/ftdi-elan.c @@ -2766,7 +2766,7 @@ static int ftdi_elan_probe(struct usb_in ftdi->sequence_num = ++ftdi_instances; mutex_unlock(&ftdi_module_lock); ftdi_elan_init_kref(ftdi); - init_MUTEX(&ftdi->sw_lock); + semaphore_init(&ftdi->sw_lock); ftdi->udev = usb_get_dev(interface_to_usbdev(interface)); ftdi->interface = interface; mutex_init(&ftdi->u132_lock);