svn commit: r216000 - stable/8/sys/dev/mii

[Marius Strobl]

Author: marius
Date: Sun Nov 28 15:57:22 2010
New Revision: 216000
URL: http://svn.freebsd.org/changeset/base/216000

Log:
  MFC: r215905
  
  Ensure Bay flow control is disabled as we're going to use IEEE 802.3 annex
  31B full duplex flow control instead.

Modified:
  stable/8/sys/dev/mii/inphy.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/dev/mii/inphy.c
==============================================================================
--- stable/8/sys/dev/mii/inphy.c	Sun Nov 28 14:57:37 2010	(r215999)
+++ stable/8/sys/dev/mii/inphy.c	Sun Nov 28 15:57:22 2010	(r216000)
@@ -77,6 +77,7 @@ DRIVER_MODULE(inphy, miibus, inphy_drive
 
 static int	inphy_service(struct mii_softc *, struct mii_data *, int);
 static void	inphy_status(struct mii_softc *);
+static void	inphy_reset(struct mii_softc *);
 
 static const struct mii_phydesc inphys[] = {
 	MII_PHY_DESC(INTEL, I82553C),
@@ -119,7 +120,7 @@ inphy_attach(device_t dev)
 	    IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
 	    MII_MEDIA_100_TX, NULL);
 
-	mii_phy_reset(sc);
+	inphy_reset(sc);
 
 	sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
 	device_printf(dev, " ");
@@ -206,3 +207,14 @@ inphy_status(struct mii_softc *sc)
 	} else
 		mii->mii_media_active = ife->ifm_media;
 }
+
+static void
+inphy_reset(struct mii_softc *sc)
+{
+
+	mii_phy_reset(sc);
+
+	/* Ensure Bay flow control is disabled. */
+	PHY_WRITE(sc, MII_INPHY_SCR,
+	    PHY_READ(sc, MII_INPHY_SCR) & ~SCR_FLOWCTL);
+}