diff options
| author | Jiri Pirko <jpirko@redhat.com> | 2010-02-04 19:23:02 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-04 19:23:02 +0100 |
| commit | f8f76db1db369f3a130ac3fd33e2eee5f1610d9c (patch) | |
| tree | 808ba0be71bc55335afca100fc857d7f4e937b46 /drivers/net/phy/phy_device.c | |
| parent | net: use helpers to access mc list V2 (diff) | |
| download | linux-f8f76db1db369f3a130ac3fd33e2eee5f1610d9c.tar.xz linux-f8f76db1db369f3a130ac3fd33e2eee5f1610d9c.zip | |
libphy: add phy_find_first function
Many drivers do this in them manually. Now they can use this function.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index adbc0fded130..db1794546c56 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -277,6 +277,22 @@ int phy_device_register(struct phy_device *phydev) EXPORT_SYMBOL(phy_device_register); /** + * phy_find_first - finds the first PHY device on the bus + * @bus: the target MII bus + */ +struct phy_device *phy_find_first(struct mii_bus *bus) +{ + int addr; + + for (addr = 0; addr < PHY_MAX_ADDR; addr++) { + if (bus->phy_map[addr]) + return bus->phy_map[addr]; + } + return NULL; +} +EXPORT_SYMBOL(phy_find_first); + +/** * phy_prepare_link - prepares the PHY layer to monitor link status * @phydev: target phy_device struct * @handler: callback function for link status change notifications |