[src/trunk]: src/sys/dev/pci From OpenBSD hifn7751.c revision 1.149: enable t...

[tls <tls%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1f59fea82181
branches:  trunk
changeset: 585052:1f59fea82181
user:      tls <tls%NetBSD.org@localhost>
date:      Sat Oct 15 04:31:20 2005 +0000

description:
>From OpenBSD hifn7751.c revision 1.149: enable the command-wait interrupt
even if there's only one request in the queue.  Sometimes we seem to miss
multiple interrupts, and command-wait saves us.

diffstat:

 sys/dev/pci/hifn7751.c |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (38 lines):

diff -r ffd5c00ef13c -r 1f59fea82181 sys/dev/pci/hifn7751.c
--- a/sys/dev/pci/hifn7751.c    Sat Oct 15 03:00:30 2005 +0000
+++ b/sys/dev/pci/hifn7751.c    Sat Oct 15 04:31:20 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: hifn7751.c,v 1.23 2005/06/28 00:28:42 thorpej Exp $    */
+/*     $NetBSD: hifn7751.c,v 1.24 2005/10/15 04:31:20 tls Exp $        */
 /*     $FreeBSD: hifn7751.c,v 1.5.2.7 2003/10/08 23:52:00 sam Exp $ */
 /*     $OpenBSD: hifn7751.c,v 1.140 2003/08/01 17:55:54 deraadt Exp $  */
 
@@ -48,7 +48,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: hifn7751.c,v 1.23 2005/06/28 00:28:42 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: hifn7751.c,v 1.24 2005/10/15 04:31:20 tls Exp $");
 
 #include "rnd.h"
 #include "opencrypto.h"
@@ -1702,11 +1702,19 @@
         * We don't worry about missing an interrupt (which a "command wait"
         * interrupt salvages us from), unless there is more than one command
         * in the queue.
+        *
+        * XXX We do seem to miss some interrupts.  So we always enable
+        * XXX command wait.  From OpenBSD revision 1.149.
+        *
         */
+#if 0
        if (dma->cmdu > 1) {
+#endif
                sc->sc_dmaier |= HIFN_DMAIER_C_WAIT;
                WRITE_REG_1(sc, HIFN_1_DMA_IER, sc->sc_dmaier);
+#if 0
        }
+#endif
 
        hifnstats.hst_ipackets++;
        hifnstats.hst_ibytes += cmd->src_map->dm_mapsize;