From: Manuel Lauss Date: Fri, 10 Jun 2016 14:53:05 +0000 (+0200) Subject: net: au1000_eth: fix PHY detection X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a2f27217e4e60e663b5b971b0ccb287a9548b04e;p=linux.git net: au1000_eth: fix PHY detection Commit 7f854420fbfe9d49afe2ffb1df052cfe8e215541 ("phy: Add API for {un}registering an mdio device to a bus.") broke PHY detection on this driver with a copy-paste bug: The code is looking 32 times for a PHY at address 0. Fixes ethernet on AMD DB1100/DB1500/DB1550 boards which have their (autodetected) PHYs at address 31. Cc: Andrew Lunn Signed-off-by: Manuel Lauss Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/amd/au1000_eth.c b/drivers/net/ethernet/amd/au1000_eth.c index e0fb0f1122db4..d8c77e8e25edb 100644 --- a/drivers/net/ethernet/amd/au1000_eth.c +++ b/drivers/net/ethernet/amd/au1000_eth.c @@ -508,13 +508,12 @@ static int au1000_mii_probe(struct net_device *dev) /* find the first (lowest address) PHY * on the current MAC's MII bus */ - for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) - if (mdiobus_get_phy(aup->mii_bus, aup->phy_addr)) { - phydev = mdiobus_get_phy(aup->mii_bus, aup->phy_addr); - if (!aup->phy_search_highest_addr) - /* break out with first one found */ - break; - } + for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { + phydev = mdiobus_get_phy(aup->mii_bus, phy_addr); + if (phydev && !aup->phy_search_highest_addr) + /* break out with first one found */ + break; + } if (aup->phy1_search_mac0) { /* try harder to find a PHY */