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Date:      Fri, 26 Nov 2010 21:41:42 +0000 (UTC)
From:      Marius Strobl <marius@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r215905 - head/sys/dev/mii
Message-ID:  <201011262141.oAQLfgGj083240@svn.freebsd.org>

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Author: marius
Date: Fri Nov 26 21:41:42 2010
New Revision: 215905
URL: http://svn.freebsd.org/changeset/base/215905

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

Modified:
  head/sys/dev/mii/inphy.c

Modified: head/sys/dev/mii/inphy.c
==============================================================================
--- head/sys/dev/mii/inphy.c	Fri Nov 26 21:39:11 2010	(r215904)
+++ head/sys/dev/mii/inphy.c	Fri Nov 26 21:41:42 2010	(r215905)
@@ -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);
+}



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