diff options
| author | Dimitri Fedrau <dimitri.fedrau@liebherr.com> | 2025-04-16 19:14:49 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-04-22 17:49:48 -0700 |
| commit | 145436ae01193c0a379fd3ea9c4fbdf32863db1f (patch) | |
| tree | 046d4de8700680a9e5c889678495c762708f62f0 /include/linux/phy.h | |
| parent | 1de1390ee014f72ddff65ac73bee55005696fe96 (diff) | |
net: phy: Add helper for getting MAC termination resistance
Add helper which returns the MAC termination resistance value. Modifying
the resistance to an appropriate value can reduce signal reflections and
therefore improve signal quality.
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Link: https://patch.msgid.link/20250416-dp83822-mac-impedance-v3-3-028ac426cddb@liebherr.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/phy.h')
| -rw-r--r-- | include/linux/phy.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h index fb755358d965..066a28a4b64b 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -2040,6 +2040,9 @@ int phy_get_tx_amplitude_gain(struct phy_device *phydev, struct device *dev, enum ethtool_link_mode_bit_indices linkmode, u32 *val); +int phy_get_mac_termination(struct phy_device *phydev, struct device *dev, + u32 *val); + void phy_resolve_pause(unsigned long *local_adv, unsigned long *partner_adv, bool *tx_pause, bool *rx_pause); |