diff options
Diffstat (limited to 'drivers/net/usb/lan78xx.c')
| -rw-r--r-- | drivers/net/usb/lan78xx.c | 34 | 
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index b99a7fb09f8e..0161f77641fa 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -1265,30 +1265,45 @@ static int lan78xx_ethtool_get_eeprom(struct net_device *netdev,  				      struct ethtool_eeprom *ee, u8 *data)  {  	struct lan78xx_net *dev = netdev_priv(netdev); +	int ret; + +	ret = usb_autopm_get_interface(dev->intf); +	if (ret) +		return ret;  	ee->magic = LAN78XX_EEPROM_MAGIC; -	return lan78xx_read_raw_eeprom(dev, ee->offset, ee->len, data); +	ret = lan78xx_read_raw_eeprom(dev, ee->offset, ee->len, data); + +	usb_autopm_put_interface(dev->intf); + +	return ret;  }  static int lan78xx_ethtool_set_eeprom(struct net_device *netdev,  				      struct ethtool_eeprom *ee, u8 *data)  {  	struct lan78xx_net *dev = netdev_priv(netdev); +	int ret; + +	ret = usb_autopm_get_interface(dev->intf); +	if (ret) +		return ret; -	/* Allow entire eeprom update only */ -	if ((ee->magic == LAN78XX_EEPROM_MAGIC) && -	    (ee->offset == 0) && -	    (ee->len == 512) && -	    (data[0] == EEPROM_INDICATOR)) -		return lan78xx_write_raw_eeprom(dev, ee->offset, ee->len, data); +	/* Invalid EEPROM_INDICATOR at offset zero will result in a failure +	 * to load data from EEPROM +	 */ +	if (ee->magic == LAN78XX_EEPROM_MAGIC) +		ret = lan78xx_write_raw_eeprom(dev, ee->offset, ee->len, data);  	else if ((ee->magic == LAN78XX_OTP_MAGIC) &&  		 (ee->offset == 0) &&  		 (ee->len == 512) &&  		 (data[0] == OTP_INDICATOR_1)) -		return lan78xx_write_raw_otp(dev, ee->offset, ee->len, data); +		ret = lan78xx_write_raw_otp(dev, ee->offset, ee->len, data); + +	usb_autopm_put_interface(dev->intf); -	return -EINVAL; +	return ret;  }  static void lan78xx_get_strings(struct net_device *netdev, u32 stringset, @@ -2434,7 +2449,6 @@ static int lan78xx_reset(struct lan78xx_net *dev)  	/* LAN7801 only has RGMII mode */  	if (dev->chipid == ID_REV_CHIP_ID_7801_)  		buf &= ~MAC_CR_GMII_EN_; -	buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;  	ret = lan78xx_write_reg(dev, MAC_CR, buf);  	ret = lan78xx_read_reg(dev, MAC_TX, &buf);  | 
