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Date:      Thu, 8 Sep 2016 12:24:47 +0000 (UTC)
From:      Andriy Gapon <avg@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r305603 - head/sys/dev/intpm
Message-ID:  <201609081224.u88COlKQ025442@repo.freebsd.org>

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Author: avg
Date: Thu Sep  8 12:24:46 2016
New Revision: 305603
URL: https://svnweb.freebsd.org/changeset/base/305603

Log:
  intpm: do not try attaching to unsupported controller revisions
  
  While there set a different device description for the controllers
  found in various FCHs (Hudson, Bolton, CPU integrated).
  
  MFC after:	1 week

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

Modified: head/sys/dev/intpm/intpm.c
==============================================================================
--- head/sys/dev/intpm/intpm.c	Thu Sep  8 12:12:39 2016	(r305602)
+++ head/sys/dev/intpm/intpm.c	Thu Sep  8 12:24:46 2016	(r305603)
@@ -104,9 +104,12 @@ intsmb_probe(device_t dev)
 		device_set_desc(dev, "ATI IXP400 SMBus Controller");
 		break;
 	case 0x43851002:
-	case 0x780b1022:	/* AMD Hudson */
-		device_set_desc(dev, "AMD SB600/7xx/8xx SMBus Controller");
-		/* XXX Maybe force polling right here? */
+		device_set_desc(dev, "AMD SB600/7xx/8xx/9xx SMBus Controller");
+		break;
+	case 0x780b1022:	/* AMD FCH */
+		if (pci_get_revid(dev) < 0x40)
+			return (ENXIO);
+		device_set_desc(dev, "AMD FCH SMBus Controller");
 		break;
 	default:
 		return (ENXIO);



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