Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-04 04:02:26 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

net: phy: add phy_config_inband()

Browse Source 
Add a method to configure the PHY's in-band mode.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1tIUru-006IUI-08@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle) 2024-12-03 15:31:18 +00:00 committed by Jakub Kicinski
parent 1c86828dff
commit 5d58a890c0
2 changed files with 38 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/net/phy/phy.c
View File

@ -1026,6 +1026,38 @@ 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

6
include/linux/phy.h
View File

@ -982,6 +982,11 @@ struct phy_driver {
unsigned int (*inband_caps)(struct phy_device *phydev,
phy_interface_t interface);
/**
* @config_inband: configure in-band mode for the PHY
*/
int (*config_inband)(struct phy_device *phydev, unsigned int modes);
/**
* @get_rate_matching: Get the supported type of rate matching for a
* particular phy interface. This is used by phy consumers to determine
@ -1846,6 +1851,7 @@ int phy_start_aneg(struct phy_device *phydev);
int phy_aneg_done(struct phy_device *phydev);
unsigned int phy_inband_caps(struct phy_device *phydev,
phy_interface_t interface);
int phy_config_inband(struct phy_device *phydev, unsigned int modes);
int phy_speed_down(struct phy_device *phydev, bool sync);
int phy_speed_up(struct phy_device *phydev);
bool phy_check_valid(int speed, int duplex, unsigned long *features);