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authorGrygorii Strashko <grygorii.strashko@ti.com>2017-12-20 18:45:10 -0600
committerDavid S. Miller <davem@davemloft.net>2017-12-26 12:26:43 -0500
commitc1a8d0a3accf64a014d605e6806ce05d1c17adf1 (patch)
tree85dc6fc5ae2f6d481656168be288a4798aba4d4a /net/sched/sch_generic.c
parente5a9336adb317db55eb3fe8200856096f3c71109 (diff)
downloadlinux-sh-c1a8d0a3accf64a014d605e6806ce05d1c17adf1.tar.gz
net: phy: micrel: ksz9031: reconfigure autoneg after phy autoneg workaround
Under some circumstances driver will perform PHY reset in ksz9031_read_status() to fix autoneg failure case (idle error count = 0xFF). When this happens ksz9031 will not detect link status change any more when connecting to Netgear 1G switch (link can be recovered sometimes by restarting netdevice "ifconfig down up"). Reproduced with TI am572x board equipped with ksz9031 PHY while connecting to Netgear 1G switch. Fix the issue by reconfiguring autonegotiation after PHY reset in ksz9031_read_status(). Fixes: d2fd719bcb0e ("net/phy: micrel: Add workaround for bad autoneg") Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_generic.c')
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