diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 1b540ed9b326..8b4fc3b4f269 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1164,6 +1164,16 @@ static void phy_sysfs_create_links(struct phy_device *phydev) phydev->sysfs_links = true; } +static ssize_t +phy_standalone_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct phy_device *phydev = to_phy_device(dev); + + return sprintf(buf, "%d\n", !phydev->attached_dev); +} +static DEVICE_ATTR_RO(phy_standalone); + /** * phy_attach_direct - attach a network device to a given PHY device pointer * @dev: network device to attach @@ -1253,6 +1263,13 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, phy_sysfs_create_links(phydev); + if (!phydev->attached_dev) { + err = sysfs_create_file(&phydev->mdio.dev.kobj, + &dev_attr_phy_standalone.attr); + if (err) + phydev_err(phydev, "error creating 'phy_standalone' sysfs entry\n"); + } + phydev->dev_flags = flags; phydev->interface = interface; @@ -1380,6 +1397,11 @@ void phy_detach(struct phy_device *phydev) sysfs_remove_link(&dev->dev.kobj, "phydev"); sysfs_remove_link(&phydev->mdio.dev.kobj, "attached_dev"); } + + if (!phydev->attached_dev) + sysfs_remove_file(&phydev->mdio.dev.kobj, + &dev_attr_phy_standalone.attr); + phy_suspend(phydev); if (dev) { phydev->attached_dev->phydev = NULL; |