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mvswitch: fix autonegotiation issue

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The Marvel 88E6060 switch has an MDIO interface, but does not emulate
regular PHY behavior for the host. The network core can not detect using
the generic code, whether the connection via the attached PHY can be
used or not. The PHY's state machine is stuck in a state of
auto-negotiation and does not go any further so the Ethernet interface
of the router stay forever in the not-runing state.

Fix this issue by implementing the aneg_done callback to be able to
inform the network core that the Ethernet interface link to which the
switch is connected can be marked as RUNNING.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
This commit is contained in:
Sergey Ryazanov 2017-06-07 01:25:31 +03:00 committed by John Crispin
parent cc722bec97
commit 913b2290ca
1 changed files with 7 additions and 0 deletions
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7
target/linux/generic/files/drivers/net/phy/mvswitch.c
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@ -345,6 +345,12 @@ mvswitch_read_status(struct phy_device *pdev)
return 0;
}
static int
mvswitch_aneg_done(struct phy_device *phydev)
{
return 1; /* Return any positive value */
}
static int
mvswitch_config_aneg(struct phy_device *phydev)
{
@ -417,6 +423,7 @@ static struct phy_driver mvswitch_driver = {
.detach = &mvswitch_detach,
.config_init = &mvswitch_config_init,
.config_aneg = &mvswitch_config_aneg,
.aneg_done = &mvswitch_aneg_done,
.read_status = &mvswitch_read_status,
};