diff options
Diffstat (limited to 'drivers/net/phy')
-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) | |||
277 | EXPORT_SYMBOL(phy_device_register); | 277 | EXPORT_SYMBOL(phy_device_register); |
278 | 278 | ||
279 | /** | 279 | /** |
280 | * phy_find_first - finds the first PHY device on the bus | ||
281 | * @bus: the target MII bus | ||
282 | */ | ||
283 | struct phy_device *phy_find_first(struct mii_bus *bus) | ||
284 | { | ||
285 | int addr; | ||
286 | |||
287 | for (addr = 0; addr < PHY_MAX_ADDR; addr++) { | ||
288 | if (bus->phy_map[addr]) | ||
289 | return bus->phy_map[addr]; | ||
290 | } | ||
291 | return NULL; | ||
292 | } | ||
293 | EXPORT_SYMBOL(phy_find_first); | ||
294 | |||
295 | /** | ||
280 | * phy_prepare_link - prepares the PHY layer to monitor link status | 296 | * phy_prepare_link - prepares the PHY layer to monitor link status |
281 | * @phydev: target phy_device struct | 297 | * @phydev: target phy_device struct |
282 | * @handler: callback function for link status change notifications | 298 | * @handler: callback function for link status change notifications |