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net: phy: exported the genphy_read_master_slave function 

genphy_read_master_slave function allows to configure the master/slave
for gigabit phys only. In order to use this function irrespective of
speed, moved the speed check to the genphy_read_status call.

Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Arun Ramadoss 2022-03-07 21:45:14 +05:30 committed by Paolo Abeni
parent 6c43a920a5
commit 64807c2321
2 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/net/phy/phy_device.c
View File

@ -2051,17 +2051,11 @@ static int genphy_setup_master_slave(struct phy_device *phydev)
CTL1000_PREFER_MASTER), ctl);
}
static int genphy_read_master_slave(struct phy_device *phydev)
int genphy_read_master_slave(struct phy_device *phydev)
{
int cfg, state;
int val;
if (!phydev->is_gigabit_capable) {
phydev->master_slave_get = MASTER_SLAVE_CFG_UNSUPPORTED;
phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
return 0;
}
phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN;
phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
@ -2102,6 +2096,7 @@ static int genphy_read_master_slave(struct phy_device *phydev)
return 0;
}
EXPORT_SYMBOL(genphy_read_master_slave);
/**
* genphy_restart_aneg - Enable and Restart Autonegotiation
@ -2396,14 +2391,18 @@ int genphy_read_status(struct phy_device *phydev)
if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link)
return 0;
phydev->master_slave_get = MASTER_SLAVE_CFG_UNSUPPORTED;
phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
phydev->speed = SPEED_UNKNOWN;
phydev->duplex = DUPLEX_UNKNOWN;
phydev->pause = 0;
phydev->asym_pause = 0;
err = genphy_read_master_slave(phydev);
if (err < 0)
return err;
if (phydev->is_gigabit_capable) {
err = genphy_read_master_slave(phydev);
if (err < 0)
return err;
}
err = genphy_read_lpa(phydev);
if (err < 0)

1
include/linux/phy.h
View File

@ -1578,6 +1578,7 @@ int genphy_update_link(struct phy_device *phydev);
int genphy_read_lpa(struct phy_device *phydev);
int genphy_read_status_fixed(struct phy_device *phydev);
int genphy_read_status(struct phy_device *phydev);
int genphy_read_master_slave(struct phy_device *phydev);
int genphy_suspend(struct phy_device *phydev);
int genphy_resume(struct phy_device *phydev);
int genphy_loopback(struct phy_device *phydev, bool enable);