netdev - [PATCH] dm9161: add configuration for MII/RMII

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Message-ID: <4787B55B.6040202@til-technologies.fr>
Date:	Fri, 11 Jan 2008 19:28:43 +0100
From:	frederic RODO <f.rodo@...-technologies.fr>
To:	netdev@...r.kernel.org
Subject: [PATCH] dm9161: add configuration for MII/RMII

diff --git a/drivers/net/phy/davicom.c b/drivers/net/phy/davicom.c
index 7ed632d..6bdc32f 100644
--- a/drivers/net/phy/davicom.c
+++ b/drivers/net/phy/davicom.c
@@ -37,6 +37,7 @@

  #define MII_DM9161_SCR		0x10
  #define MII_DM9161_SCR_INIT	0x0610
+#define MII_DM9161_SCR_RMII	0x0100

  /* DM9161 Interrupt Register */
  #define MII_DM9161_INTR	0x15
@@ -103,7 +104,7 @@ static int dm9161_config_aneg(struct phy_device *phydev)

  static int dm9161_config_init(struct phy_device *phydev)
  {
-	int err;
+	int err, temp;

  	/* Isolate the PHY */
  	err = phy_write(phydev, MII_BMCR, BMCR_ISOLATE);
@@ -111,8 +112,19 @@ static int dm9161_config_init(struct phy_device 
*phydev)
  	if (err < 0)
  		return err;

-	/* Do not bypass the scrambler/descrambler */
-	err = phy_write(phydev, MII_DM9161_SCR, MII_DM9161_SCR_INIT);
+	/* Do not bypass the scrambler/descrambler , configure MII Mode */
+	switch (phydev->interface) {
+	case PHY_INTERFACE_MODE_MII:
+		temp = MII_DM9161_SCR_INIT;
+		break;
+	case PHY_INTERFACE_MODE_RMII:
+		temp =  MII_DM9161_SCR_INIT | MII_DM9161_SCR_RMII;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	err = phy_write(phydev, MII_DM9161_SCR, temp);

  	if (err < 0)
  		return err;
Signed-off-by: Frederic RODO <f.rodo@...-technologies.fr>

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