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From: Matt Jacob <mjacob@FreeBSD.org>
Date: Mon, 25 Feb 2013 11:22:54 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r247264 - head/sys/dev/isp
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Author: mjacob
Date: Mon Feb 25 11:22:54 2013
New Revision: 247264
URL: http://svnweb.freebsd.org/changeset/base/247264

Log:
  Turn off fast posting for the ISP2100- I'd forgotten that it actually
  might have been enabled for them- now that we use all 32 bits of handle.
  Fast Posting doesn't pass the full 32 bits.
  
  Noticed by: Bugs in NetBSD. Only a NetBSD user might actually still use such old hardware.
  MFC after:	1 week

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

Modified: head/sys/dev/isp/isp.c
==============================================================================
--- head/sys/dev/isp/isp.c	Mon Feb 25 10:57:35 2013	(r247263)
+++ head/sys/dev/isp/isp.c	Mon Feb 25 11:22:54 2013	(r247264)
@@ -1709,7 +1709,13 @@ isp_fibre_init(ispsoftc_t *isp)
 	 *
 	 * NB: for the 2300, ICBOPT_EXTENDED is required.
 	 */
-	if (IS_2200(isp) || IS_23XX(isp)) {
+	if (IS_2100(isp)) {
+		/*
+		 * We can't have Fast Posting any more- we now
+		 * have 32 bit handles.
+		 */
+		icbp->icb_fwoptions &= ~ICBOPT_FAST_POST;
+	} else if (IS_2200(isp) || IS_23XX(isp)) {
 		icbp->icb_fwoptions |= ICBOPT_EXTENDED;
 
 		icbp->icb_xfwoptions = fcp->isp_xfwoptions;