From owner-svn-src-head@FreeBSD.ORG  Thu Jan 24 09:33:44 2013
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by hub.freebsd.org (Postfix) with ESMTP id 240AD800;
 Thu, 24 Jan 2013 09:33:44 +0000 (UTC) (envelope-from mav@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org
 [IPv6:2001:1900:2254:2068::e6a:0])
 by mx1.freebsd.org (Postfix) with ESMTP id 16977236;
 Thu, 24 Jan 2013 09:33:44 +0000 (UTC)
Received: from svn.freebsd.org ([127.0.1.70])
 by svn.freebsd.org (8.14.5/8.14.5) with ESMTP id r0O9Xh4d077403;
 Thu, 24 Jan 2013 09:33:43 GMT (envelope-from mav@svn.freebsd.org)
Received: (from mav@localhost)
 by svn.freebsd.org (8.14.5/8.14.5/Submit) id r0O9Xh1Q077402;
 Thu, 24 Jan 2013 09:33:43 GMT (envelope-from mav@svn.freebsd.org)
Message-Id: <201301240933.r0O9Xh1Q077402@svn.freebsd.org>
From: Alexander Motin <mav@FreeBSD.org>
Date: Thu, 24 Jan 2013 09:33:43 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r245875 - head/sys/dev/ahci
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 24 Jan 2013 09:33:44 -0000

Author: mav
Date: Thu Jan 24 09:33:43 2013
New Revision: 245875
URL: http://svnweb.freebsd.org/changeset/base/245875

Log:
  Disable MSI interrupts for SB600 chipset.  According to the report they are
  not functional.
  
  PR:		kern/174880, kern/174985, kern/175002
  MFC after:	1 week

Modified:
  head/sys/dev/ahci/ahci.c

Modified: head/sys/dev/ahci/ahci.c
==============================================================================
--- head/sys/dev/ahci/ahci.c	Thu Jan 24 09:30:42 2013	(r245874)
+++ head/sys/dev/ahci/ahci.c	Thu Jan 24 09:33:43 2013	(r245875)
@@ -114,8 +114,9 @@ static struct {
 #define AHCI_Q_NOAA	512
 #define AHCI_Q_NOCOUNT	1024
 #define AHCI_Q_ALTSIG	2048
+#define AHCI_Q_NOMSI	4096
 } ahci_ids[] = {
-	{0x43801002, 0x00, "ATI IXP600",	0},
+	{0x43801002, 0x00, "ATI IXP600",	AHCI_Q_NOMSI},
 	{0x43901002, 0x00, "ATI IXP700",	0},
 	{0x43911002, 0x00, "ATI IXP700",	0},
 	{0x43921002, 0x00, "ATI IXP700",	0},
@@ -634,6 +635,8 @@ ahci_setup_interrupt(device_t dev)
 	int i, msi = 1;
 
 	/* Process hints. */
+	if (ctlr->quirks & AHCI_Q_NOMSI)
+		msi = 0;
 	resource_int_value(device_get_name(dev),
 	    device_get_unit(dev), "msi", &msi);
 	if (msi < 0)