diff options
| author | Russell King (Oracle) <[email protected]> | 2024-12-03 15:31:18 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2024-12-05 03:19:07 +0000 |
| commit | 5d58a890c02770ba8d790b1f3c6e8c0e20514dc2 (patch) | |
| tree | 241df742faa57612edc430af5c46b3f5e073b65c /drivers/net/phy/phy.c | |
| parent | net: phy: marvell: implement phy_inband_caps() method (diff) | |
| download | kernel-5d58a890c02770ba8d790b1f3c6e8c0e20514dc2.tar.gz kernel-5d58a890c02770ba8d790b1f3c6e8c0e20514dc2.zip | |
net: phy: add phy_config_inband()
Add a method to configure the PHY's in-band mode.
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: Russell King (Oracle) <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'drivers/net/phy/phy.c')
| -rw-r--r-- | drivers/net/phy/phy.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index f42cd6584841..0c228aa18019 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1027,6 +1027,38 @@ unsigned int phy_inband_caps(struct phy_device *phydev, EXPORT_SYMBOL_GPL(phy_inband_caps); /** + * phy_config_inband - configure the desired PHY in-band mode + * @phydev: the phy_device struct + * @modes: in-band modes to configure + * + * Description: disables, enables or enables-with-bypass in-band signalling + * between the PHY and host system. + * + * Returns: zero on success, or negative errno value. + */ +int phy_config_inband(struct phy_device *phydev, unsigned int modes) +{ + int err; + + if (!!(modes & LINK_INBAND_DISABLE) + + !!(modes & LINK_INBAND_ENABLE) + + !!(modes & LINK_INBAND_BYPASS) != 1) + return -EINVAL; + + mutex_lock(&phydev->lock); + if (!phydev->drv) + err = -EIO; + else if (!phydev->drv->config_inband) + err = -EOPNOTSUPP; + else + err = phydev->drv->config_inband(phydev, modes); + mutex_unlock(&phydev->lock); + + return err; +} +EXPORT_SYMBOL(phy_config_inband); + +/** * _phy_start_aneg - start auto-negotiation for this PHY device * @phydev: the phy_device struct * |