[src/trunk]: src/sys/dev/pci use sc->sc_itr instead of hard-coded number.

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

details:   https://anonhg.NetBSD.org/src/rev/099d7b238688
branches:  trunk
changeset: 340739:099d7b238688
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Mon Sep 28 06:04:04 2015 +0000

description:
use sc->sc_itr instead of hard-coded number.

ok by msaitoh@n.o

diffstat:

 sys/dev/pci/if_wm.c |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (31 lines):

diff -r a3344a48f002 -r 099d7b238688 sys/dev/pci/if_wm.c
--- a/sys/dev/pci/if_wm.c       Mon Sep 28 01:54:14 2015 +0000
+++ b/sys/dev/pci/if_wm.c       Mon Sep 28 06:04:04 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_wm.c,v 1.347 2015/09/07 15:19:05 msaitoh Exp $      */
+/*     $NetBSD: if_wm.c,v 1.348 2015/09/28 06:04:04 knakahara Exp $    */
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -83,7 +83,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.347 2015/09/07 15:19:05 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.348 2015/09/28 06:04:04 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -4361,8 +4361,10 @@
                } else {
                        CSR_WRITE(sc, WMREG_RDH, 0);
                        CSR_WRITE(sc, WMREG_RDT, 0);
-                       CSR_WRITE(sc, WMREG_RDTR, 375 | RDTR_FPD); /* ITR/4 */
-                       CSR_WRITE(sc, WMREG_RADV, 375); /* MUST be same */
+                       /* ITR/4 */
+                       CSR_WRITE(sc, WMREG_RDTR, (sc->sc_itr / 4) | RDTR_FPD);
+                       /* MUST be same */
+                       CSR_WRITE(sc, WMREG_RADV, sc->sc_itr);
                }
        }
        for (i = 0; i < WM_NRXDESC; i++) {