[src/trunk]: src/sys/dev/pci msk(4): moderate no interrupts globally

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

details:   https://anonhg.NetBSD.org/src/rev/919337833f1d
branches:  trunk
changeset: 971980:919337833f1d
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Mon May 11 18:49:04 2020 +0000

description:
msk(4): moderate no interrupts globally

The global interrupt moderator on mskc(4) is mostly redundant with the Status Unit's tx and rx interrupt coalescing for our purpouses

Revisits interrupt moderation change in 1.108.

diffstat:

 sys/dev/pci/if_msk.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r b8ffb92fc0cb -r 919337833f1d sys/dev/pci/if_msk.c
--- a/sys/dev/pci/if_msk.c      Mon May 11 18:38:26 2020 +0000
+++ b/sys/dev/pci/if_msk.c      Mon May 11 18:49:04 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_msk.c,v 1.110 2020/05/08 14:56:49 jakllsch Exp $ */
+/* $NetBSD: if_msk.c,v 1.111 2020/05/11 18:49:04 jakllsch Exp $ */
 /*     $OpenBSD: if_msk.c,v 1.79 2009/10/15 17:54:56 deraadt Exp $     */
 
 /*
@@ -52,7 +52,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_msk.c,v 1.110 2020/05/08 14:56:49 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_msk.c,v 1.111 2020/05/11 18:49:04 jakllsch Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -860,7 +860,7 @@
                aprint_verbose_dev(sc->sk_dev,
                    "interrupt moderation is %d us\n", sc->sk_int_mod);
        sk_win_write_4(sc, SK_IMTIMERINIT, SK_IM_USECS(sc->sk_int_mod));
-       sk_win_write_4(sc, SK_IMMR, SK_Y2_IMR_BMU);
+       sk_win_write_4(sc, SK_IMMR, 0); /* moderate no interrupts */
        sk_win_write_1(sc, SK_IMTIMERCTL, SK_IMCTL_START);
        sc->sk_int_mod_pending = 0;
 }