Module Name: src
Committed By: msaitoh
Date: Sat Dec 15 05:40:10 UTC 2018
Modified Files:
src/sys/dev/pci: if_wm.c
Log Message:
Print and clear the wakeup status only when the WUS register != 0.
To generate a diff of this commit:
cvs rdiff -u -r1.604 -r1.605 src/sys/dev/pci/if_wm.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/if_wm.c
diff -u src/sys/dev/pci/if_wm.c:1.604 src/sys/dev/pci/if_wm.c:1.605
--- src/sys/dev/pci/if_wm.c:1.604 Fri Dec 14 09:47:40 2018
+++ src/sys/dev/pci/if_wm.c Sat Dec 15 05:40:10 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: if_wm.c,v 1.604 2018/12/14 09:47:40 msaitoh Exp $ */
+/* $NetBSD: if_wm.c,v 1.605 2018/12/15 05:40:10 msaitoh 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 1.604 2018/12/14 09:47:40 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.605 2018/12/15 05:40:10 msaitoh Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@@ -3038,11 +3038,15 @@ wm_resume(device_t self, const pmf_qual_
{
struct wm_softc *sc = device_private(self);
struct ifnet *ifp = &sc->sc_ethercom.ec_if;
+ pcireg_t reg;
char buf[256];
- snprintb(buf, sizeof(buf), WUS_FLAGS, CSR_READ(sc, WMREG_WUS));
- device_printf(sc->sc_dev, "wakeup status %s\n", buf);
- CSR_WRITE(sc, WMREG_WUS, 0xffffffff); /* W1C */
+ reg = CSR_READ(sc, WMREG_WUS);
+ if (reg != 0) {
+ snprintb(buf, sizeof(buf), WUS_FLAGS, reg);
+ device_printf(sc->sc_dev, "wakeup status %s\n", buf);
+ CSR_WRITE(sc, WMREG_WUS, 0xffffffff); /* W1C */
+ }
if (sc->sc_type >= WM_T_PCH2)
wm_resume_workarounds_pchlan(sc);
