From owner-svn-src-stable@FreeBSD.ORG  Tue Jul 20 05:16:11 2010
Return-Path: <owner-svn-src-stable@FreeBSD.ORG>
Delivered-To: svn-src-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 08CDF106567C;
	Tue, 20 Jul 2010 05:16:11 +0000 (UTC) (envelope-from mav@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id E8A5D8FC14;
	Tue, 20 Jul 2010 05:16:10 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o6K5GA6a095188;
	Tue, 20 Jul 2010 05:16:10 GMT (envelope-from mav@svn.freebsd.org)
Received: (from mav@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id o6K5GACw095186;
	Tue, 20 Jul 2010 05:16:10 GMT (envelope-from mav@svn.freebsd.org)
Message-Id: <201007200516.o6K5GACw095186@svn.freebsd.org>
From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 20 Jul 2010 05:16:10 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
X-SVN-Group: stable-8
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r210281 - stable/8/sys/dev/ata
X-BeenThere: svn-src-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for all the -stable branches of the src tree
	<svn-src-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>, 
	<mailto:svn-src-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable>
List-Post: <mailto:svn-src-stable@freebsd.org>
List-Help: <mailto:svn-src-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>,
	<mailto:svn-src-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 20 Jul 2010 05:16:11 -0000

Author: mav
Date: Tue Jul 20 05:16:10 2010
New Revision: 210281
URL: http://svn.freebsd.org/changeset/base/210281

Log:
  MFC r210168:
  Make legacy ATA emulation detection more strict. This should fix false
  positive legacy detection and attach failure/panic for Marvell 88SX6141
  controller and potentially some others.
  
  PR:             kern/145064

Modified:
  stable/8/sys/dev/ata/ata-pci.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/dev/ata/ata-pci.c
==============================================================================
--- stable/8/sys/dev/ata/ata-pci.c	Tue Jul 20 05:14:30 2010	(r210280)
+++ stable/8/sys/dev/ata/ata-pci.c	Tue Jul 20 05:16:10 2010	(r210281)
@@ -769,7 +769,8 @@ DRIVER_MODULE(ata, atapci, ata_pcichanne
 int
 ata_legacy(device_t dev)
 {
-    return (((pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&&
+    return (((pci_read_config(dev, PCIR_SUBCLASS, 1) == PCIS_STORAGE_IDE) &&
+	     (pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&&
 	     ((pci_read_config(dev, PCIR_PROGIF, 1) &
 	       (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) !=
 	      (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) ||