[PATCH net-next 1/3] net: phy: dp83869: Restart PHY when configuring mode
From: Romain Gantois
Date: Tue Nov 04 2025 - 03:58:22 EST
The DP83869 PHY requires a software restart when the OP_MODE is changed.
Add this restart in dp83869_configure_mode().
Signed-off-by: Romain Gantois <romain.gantois@xxxxxxxxxxx>
---
drivers/net/phy/dp83869.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c
index 1f381d7b13ff..fecacaa83b04 100644
--- a/drivers/net/phy/dp83869.c
+++ b/drivers/net/phy/dp83869.c
@@ -797,6 +797,10 @@ static int dp83869_configure_mode(struct phy_device *phydev,
return -EINVAL;
}
+ ret = phy_write(phydev, DP83869_CTRL, DP83869_SW_RESTART);
+
+ usleep_range(10, 20);
+
return ret;
}
--
2.51.2