Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760358AbYACF7i (ORCPT ); Thu, 3 Jan 2008 00:59:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760266AbYACF6f (ORCPT ); Thu, 3 Jan 2008 00:58:35 -0500 Received: from fg-out-1718.google.com ([72.14.220.159]:52615 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760250AbYACF6d (ORCPT ); Thu, 3 Jan 2008 00:58:33 -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=ifyjamcy93ZG1Mx7lKlzi0Xm92zYz5btK+z/RhsjcjcB0orZpyW4qUud6ftV1x4+NWnqoXRpsL1m9rQ07H9JeyHV3Dj/ikHBevkgBvMXhq/jBmrIiCfSw8Txlk3BlwFgbFSb8tanOSk9FMCPJuoZyGfx5sER1PToCAnZPmvQmHs= Date: Thu, 3 Jan 2008 14:02:10 +0800 From: Dave Young To: dbrownell@users.sourceforge.net Cc: linux-kernel@vger.kernel.org, spi-devel-general@lists.sourceforge.net Subject: [PATCH 7/7] spi : convert semaphore to mutex in struct class Message-ID: <20080103060210.GH4885@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: 1177 Lines: 33 Use mutex instead of semaphore in struct class. 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/