From patchwork Thu Sep 9 23:37:39 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 178272 Return-path: X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on void.printf.net X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.9 tests=RCVD_IN_DNSWL_LOW autolearn=disabled version=3.2.5 Envelope-to: chris@printf.net Delivery-date: Fri, 10 Sep 2010 00:38:40 +0100 Received: from lists.laptop.org ([18.85.2.145] helo=mail.laptop.org) by void.printf.net with esmtp (Exim 4.69) (envelope-from ) id 1OtqhU-00068x-Bz for chris@printf.net; Fri, 10 Sep 2010 00:38:40 +0100 Received: by mail.laptop.org (Postfix) id 3C5BE24A4C; Thu, 9 Sep 2010 19:38:20 -0400 (EDT) Delivered-To: cjb@laptop.org Received: from spam.laptop.org (spam.laptop.org [18.85.46.23]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.laptop.org (Postfix) with ESMTPS id 26F2024A49 for ; Thu, 9 Sep 2010 19:38:20 -0400 (EDT) X-ASG-Debug-ID: 1284075488-0b74c0f20003-zHW3sV Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by spam.laptop.org with ESMTP id XG6v27pzWvMq1rsJ for ; Thu, 09 Sep 2010 19:38:38 -0400 (EDT) X-Barracuda-Envelope-From: linux-mmc-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753465Ab0IIXii (ORCPT ); Thu, 9 Sep 2010 19:38:38 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:33081 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753208Ab0IIXih (ORCPT ); Thu, 9 Sep 2010 19:38:37 -0400 Received: from imap1.linux-foundation.org (imap1.linux-foundation.org [140.211.169.55]) by smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with ESMTP id o89NbgoJ004071 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 9 Sep 2010 16:37:42 -0700 Received: from localhost.localdomain (localhost [127.0.0.1]) by imap1.linux-foundation.org (8.13.5.20060308/8.13.5/Debian-3ubuntu1.1) with ESMTP id o89NbdVt014197; Thu, 9 Sep 2010 16:37:39 -0700 Message-Id: <201009092337.o89NbdVt014197@imap1.linux-foundation.org> X-ASG-Orig-Subj: [patch 12/41] tmio_mmc: don't clear unhandled pending interrupts Subject: [patch 12/41] tmio_mmc: don't clear unhandled pending interrupts To: torvalds@linux-foundation.org Cc: akpm@linux-foundation.org, yusuke.goda.sx@renesas.com, arnd@arndnet.de, damm@opensource.se, ian@mnementh.co.uk, lethal@linux-sh.org, linux-mmc@vger.kernel.org, matt@console-pimps.org, sameo@linux.intel.com, stable@kernel.org From: akpm@linux-foundation.org Date: Thu, 09 Sep 2010 16:37:39 -0700 MIME-Version: 1.0 X-MIMEDefang-Filter: lf$Revision: 1.188 $ X-Scanned-By: MIMEDefang 2.63 on 140.211.169.13 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Barracuda-Connect: vger.kernel.org[209.132.180.67] X-Barracuda-Start-Time: 1284075514 X-Barracuda-URL: http://18.85.46.23:8000/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at laptop.org X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=3.5 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=5.5 tests=NO_REAL_NAME X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.2.40422 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 NO_REAL_NAME From: does not include a real name diff -puN drivers/mmc/host/tmio_mmc.h~tmio_mmc-dont-clear-unhandled-pending-interrupts drivers/mmc/host/tmio_mmc.h --- a/drivers/mmc/host/tmio_mmc.h~tmio_mmc-dont-clear-unhandled-pending-interrupts +++ a/drivers/mmc/host/tmio_mmc.h @@ -82,10 +82,7 @@ #define ack_mmc_irqs(host, i) \ do { \ - u32 mask;\ - mask = sd_ctrl_read32((host), CTL_STATUS); \ - mask &= ~((i) & TMIO_MASK_IRQ); \ - sd_ctrl_write32((host), CTL_STATUS, mask); \ + sd_ctrl_write32((host), CTL_STATUS, ~(i)); \ } while (0)