Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755461AbXL2BPZ (ORCPT ); Fri, 28 Dec 2007 20:15:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753037AbXL2BPN (ORCPT ); Fri, 28 Dec 2007 20:15:13 -0500 Received: from fg-out-1718.google.com ([72.14.220.157]:32836 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752297AbXL2BPL (ORCPT ); Fri, 28 Dec 2007 20:15:11 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type:content-disposition:user-agent; b=pPY8VPrad7Yg60m+ARAx3UZfZewqLyt2SuwHNhN1ZDyFlgiSkDWQJj2rlWMvewsUAsqjsL44DbdkFUTUValJDiS4NkcNWbuh+2X/lPAIf8npxsAV1vSG6nY24UucN1nUoGNKVK0VfPR2hI2pAc4yYom6nJYr7JsbpbT80ihxqMw= Date: Sat, 29 Dec 2007 09:18:58 +0800 From: Dave Young To: dbrownell@users.sourceforge.net Cc: linux-kernel@vger.kernel.org, spi-devel-general@lists.sourceforge.net Subject: [PATCH 11/12] spi : Use mutex instead of semaphore in driver core Message-ID: <20071229011858.GL2883@darkstar.te-china.tietoenator.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1129 Lines: 32 Signed-off-by: Dave Young --- drivers/spi/spi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -upr linux/drivers/spi/spi.c linux.new/drivers/spi/spi.c --- linux/drivers/spi/spi.c 2007-12-28 10:47:38.000000000 +0800 +++ linux.new/drivers/spi/spi.c 2007-12-28 10:48:22.000000000 +0800 @@ -494,7 +494,7 @@ struct spi_master *spi_busnum_to_master( struct spi_master *master = NULL; struct spi_master *m; - down(&spi_master_class.sem); + mutex_lock(&spi_master_class.mutex); list_for_each_entry(dev, &spi_master_class.children, node) { m = container_of(dev, struct spi_master, dev); if (m->bus_num == bus_num) { @@ -502,7 +502,7 @@ struct spi_master *spi_busnum_to_master( break; } } - up(&spi_master_class.sem); + mutex_unlock(&spi_master_class.mutex); return master; } EXPORT_SYMBOL_GPL(spi_busnum_to_master); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/