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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-30 17:11:41 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-30 17:26:22 +0100 |
| commit | 745c16db7e1cc5f724be0120b811db03878d746d (patch) | |
| tree | bcf3b66fd28323ef91ffae720e50b54e008e7c42 /drivers | |
| parent | 3a17af33c01fd066ab3939c8218037c87ba26eed (diff) | |
| download | barebox-745c16db7e1cc5f724be0120b811db03878d746d.tar.gz barebox-745c16db7e1cc5f724be0120b811db03878d746d.tar.xz | |
mdiobus: return existing phydev in mdiobus_scan
Test if we already found a phy device on an address earlier and return
it if it exists. This makes it possible to call mdiobus_scan multiple
times.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/mdio_bus.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index b49f714aa6..5025e3f514 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -101,6 +101,9 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr) { struct phy_device *phydev; + if (bus->phy_map[addr]) + return bus->phy_map[addr]; + phydev = get_phy_device(bus, addr); if (IS_ERR(phydev) || phydev == NULL) return phydev; |