# \[PATCH v2 07/13\] net: phy: add qca8081 get\_features

- From: Luo Jie \<hidden\>
- Date: 2021-10-15 07:36:48 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/10/1542867
- Thread: https://ratatoskr.run/netdev/2021/10/1542858/t.md

```text
Reuse the at803x phy driver get_features excepting
adding 2500M capability.

Signed-off-by: Luo Jie <redacted>
---
 drivers/net/phy/at803x.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index c875dace5a00..7aec37593983 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -719,6 +719,15 @@ static int at803x_get_features(struct phy_device *phydev)
 	if (err)
 		return err;
 
+	if (phydev->drv->phy_id == QCA8081_PHY_ID) {
+		err = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_NG_EXTABLE);
+		if (err < 0)
+			return err;
+
+		linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported,
+				err & MDIO_PMA_NG_EXTABLE_2_5GBT);
+	}
+
 	if (phydev->drv->phy_id != ATH8031_PHY_ID)
 		return 0;
 
@@ -1493,6 +1502,7 @@ static struct phy_driver at803x_driver[] = {
 	.set_tunable		= at803x_set_tunable,
 	.set_wol		= at803x_set_wol,
 	.get_wol		= at803x_get_wol,
+	.get_features		= at803x_get_features,
 	.suspend		= genphy_suspend,
 	.resume			= genphy_resume,
 	.read_status		= qca808x_read_status,
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

```