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Diffstat (limited to 'drivers/net/phy/vitesse.c')
-rw-r--r--drivers/net/phy/vitesse.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index 5d8f6e1..0ec8e09 100644
--- a/drivers/net/phy/vitesse.c
+++ b/drivers/net/phy/vitesse.c
@@ -3,7 +3,7 @@
*
* Author: Kriston Carson
*
- * Copyright (c) 2005 Freescale Semiconductor, Inc.
+ * Copyright (c) 2005, 2009 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -61,32 +61,42 @@ MODULE_DESCRIPTION("Vitesse PHY driver");
MODULE_AUTHOR("Kriston Carson");
MODULE_LICENSE("GPL");
-static int vsc824x_config_init(struct phy_device *phydev)
+int vsc824x_add_skew(struct phy_device *phydev)
{
- int extcon;
int err;
-
- err = phy_write(phydev, MII_VSC8244_AUX_CONSTAT,
- MII_VSC8244_AUXCONSTAT_INIT);
- if (err < 0)
- return err;
+ int extcon;
extcon = phy_read(phydev, MII_VSC8244_EXT_CON1);
if (extcon < 0)
- return err;
+ return extcon;
extcon &= ~(MII_VSC8244_EXTCON1_TX_SKEW_MASK |
MII_VSC8244_EXTCON1_RX_SKEW_MASK);
- if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
- extcon |= (MII_VSC8244_EXTCON1_TX_SKEW |
- MII_VSC8244_EXTCON1_RX_SKEW);
+ extcon |= (MII_VSC8244_EXTCON1_TX_SKEW |
+ MII_VSC8244_EXTCON1_RX_SKEW);
err = phy_write(phydev, MII_VSC8244_EXT_CON1, extcon);
return err;
}
+EXPORT_SYMBOL(vsc824x_add_skew);
+
+static int vsc824x_config_init(struct phy_device *phydev)
+{
+ int err;
+
+ err = phy_write(phydev, MII_VSC8244_AUX_CONSTAT,
+ MII_VSC8244_AUXCONSTAT_INIT);
+ if (err < 0)
+ return err;
+
+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
+ err = vsc824x_add_skew(phydev);
+
+ return err;
+}
static int vsc824x_ack_interrupt(struct phy_device *phydev)
{