diff options
| author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-02-14 14:01:24 +0000 | 
|---|---|---|
| committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-02-14 14:01:24 +0000 | 
| commit | 66e79cf7ba2d221ff0aa52e1e4de6cb3d8c973f6 (patch) | |
| tree | 49e57eaef9c45fceb039edbc74aa7d0d8a77b876 /target/linux/generic/files/drivers | |
| parent | e698e5246b10f9a80da51ed54a5cbe8abff6317c (diff) | |
generic: ar8216: register the switch from the probe routine
Currently the switch gets registered when an ethernet
driver connects to a PHY of the switch. This method does
not work with the ethernet drivers which are connecting
to the PHY from their ndo_open callback. With those
ethernet drivers, the driver tries to register the switch
each time when the etherned device is opened and this causes
a deadlock.
Move the switch registration into the probe routine to fix
this problem.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35602 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/files/drivers')
| -rw-r--r-- | target/linux/generic/files/drivers/net/phy/ar8216.c | 29 | 
1 files changed, 12 insertions, 17 deletions
| diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c index 811e406f3..97a2cca6c 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8216.c +++ b/target/linux/generic/files/drivers/net/phy/ar8216.c @@ -1851,7 +1851,6 @@ ar8216_config_init(struct phy_device *phydev)  {  	struct ar8216_priv *priv = phydev->priv;  	struct net_device *dev = phydev->attached_dev; -	struct switch_dev *swdev;  	int ret;  	if (WARN_ON(!priv)) @@ -1872,24 +1871,15 @@ ar8216_config_init(struct phy_device *phydev)  		return 0;  	} -	swdev = &priv->dev; -	swdev->alias = dev_name(&priv->mii_bus->dev); -	ret = register_switch(swdev, NULL); -	if (ret) -		goto err; - -	pr_info("%s: %s switch registered on %s\n", -		swdev->devname, swdev->name, dev_name(&priv->mii_bus->dev)); -  	priv->init = true;  	ret = priv->chip->hw_init(priv);  	if (ret) -		goto err_unregister_switch; +		return ret;  	ret = ar8216_sw_reset_switch(&priv->dev);  	if (ret) -		goto err_unregister_switch; +		return ret;  	/* VID fixup only needed on ar8216 */  	if (chip_is_ar8216(priv)) { @@ -1904,11 +1894,6 @@ ar8216_config_init(struct phy_device *phydev)  	ar8xxx_mib_start(priv);  	return 0; - -err_unregister_switch: -	unregister_switch(&priv->dev); -err: -	return ret;  }  static int @@ -2004,6 +1989,7 @@ static int  ar8216_probe(struct phy_device *phydev)  {  	struct ar8216_priv *priv; +	struct switch_dev *swdev;  	int ret;  	/* skip PHYs at unused adresses */ @@ -2028,6 +2014,15 @@ ar8216_probe(struct phy_device *phydev)  	if (ret)  		goto free_priv; +	swdev = &priv->dev; +	swdev->alias = dev_name(&priv->mii_bus->dev); +	ret = register_switch(swdev, NULL); +	if (ret) +		goto free_priv; + +	pr_info("%s: %s switch registered on %s\n", +		swdev->devname, swdev->name, dev_name(&priv->mii_bus->dev)); +  found:  	if (phydev->addr == 0) {  		if (ar8xxx_has_gige(priv)) { | 
