FEC: Allow registering MII postconfiguration callback

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Ben Warren <biggerbadderben@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>

drivers/net/fec_mxc.c

@@ -153,6 +153,7 @@ static int fec_miiphy_write(const char *dev, uint8_t phyAddr, uint8_t regAddr,
 static int miiphy_restart_aneg(struct eth_device *dev)
 {
 	struct fec_priv *fec = (struct fec_priv *)dev->priv;
+	int ret = 0;
 
 	/*
 	 * Wake up from sleep if necessary
@@ -173,7 +174,11 @@ static int miiphy_restart_aneg(struct eth_device *dev)
 			LPA_10HALF | PHY_ANLPAR_PSB_802_3);
 	miiphy_write(dev->name, fec->phy_id, MII_BMCR,
 			BMCR_ANENABLE | BMCR_ANRESTART);
-	return 0;
+
+	if (fec->mii_postcall)
+		ret = fec->mii_postcall(fec->phy_id);
+
+	return ret;
 }
 
 static int miiphy_wait_aneg(struct eth_device *dev)
@@ -786,3 +791,10 @@ int fecmxc_initialize_multi(bd_t *bd, int dev_id, int phy_id, uint32_t addr)
 
 	return lout;
 }
+
+int fecmxc_register_mii_postcall(struct eth_device *dev, int (*cb)(int))
+{
+	struct fec_priv *fec = (struct fec_priv *)dev->priv;
+	fec->mii_postcall = cb;
+	return 0;
+}

drivers/net/fec_mxc.h

@@ -277,6 +277,7 @@ struct fec_priv {
 	void *base_ptr;
 	int dev_id;
 	int phy_id;
+	int (*mii_postcall)(int);
 };
 
 /**

include/netdev.h

@@ -186,4 +186,9 @@ struct mv88e61xx_config {
 int mv88e61xx_switch_initialize(struct mv88e61xx_config *swconfig);
 #endif /* CONFIG_MV88E61XX_SWITCH */
 
+/*
+ * Allow FEC to fine-tune MII configuration on boards which require this.
+ */
+int fecmxc_register_mii_postcall(struct eth_device *dev, int (*cb)(int));
+
 #endif /* _NETDEV_H_ */