[src/trunk]: src/sys/dev/pci Move the location of wm_get_hw_control() in wm_i...

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

details:   https://anonhg.NetBSD.org/src/rev/8855bd912220
branches:  trunk
changeset: 354957:8855bd912220
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Thu Jul 06 08:50:52 2017 +0000

description:
Move the location of wm_get_hw_control() in wm_init_locked() again. Doing
it "after" wm_reset() is required for some AMT based machines to linkup
1Gbps. Tested with HP dc7700.

diffstat:

 sys/dev/pci/if_wm.c |  15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diffs (43 lines):

diff -r 3db125a86a81 -r 8855bd912220 sys/dev/pci/if_wm.c
--- a/sys/dev/pci/if_wm.c       Thu Jul 06 08:27:07 2017 +0000
+++ b/sys/dev/pci/if_wm.c       Thu Jul 06 08:50:52 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_wm.c,v 1.517 2017/06/26 04:22:46 msaitoh Exp $      */
+/*     $NetBSD: if_wm.c,v 1.518 2017/07/06 08:50:52 msaitoh Exp $      */
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -84,7 +84,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.517 2017/06/26 04:22:46 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.518 2017/07/06 08:50:52 msaitoh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -5129,10 +5129,6 @@
        ifp->if_collisions += CSR_READ(sc, WMREG_COLC);
        ifp->if_ierrors += CSR_READ(sc, WMREG_RXERRC);
 
-       /* AMT based hardware can now take control from firmware */
-       if ((sc->sc_flags & WM_F_HAS_AMT) != 0)
-               wm_get_hw_control(sc);
-
        /* PCH_SPT hardware workaround */
        if (sc->sc_type == WM_T_PCH_SPT)
                wm_flush_desc_rings(sc);
@@ -5140,6 +5136,13 @@
        /* Reset the chip to a known state. */
        wm_reset(sc);
 
+       /*
+        * AMT based hardware can now take control from firmware
+        * Do this after reset.
+        */
+       if ((sc->sc_flags & WM_F_HAS_AMT) != 0)
+               wm_get_hw_control(sc);
+
        if ((sc->sc_type == WM_T_PCH_SPT) &&
            pci_intr_type(sc->sc_pc, sc->sc_intrs[0]) == PCI_INTR_TYPE_INTX)
                wm_legacy_irq_quirk_spt(sc);