[PATCH net-next v2 1/3] net: phy: dp83869: Restart PHY when configuring mode

[Romain Gantois]

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 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c
index 1f381d7b13ff..309bf608d630 100644
--- a/drivers/net/phy/dp83869.c
+++ b/drivers/net/phy/dp83869.c
@@ -792,11 +792,17 @@ static int dp83869_configure_mode(struct phy_device *phydev,
 	case DP83869_RGMII_1000_BASE:
 	case DP83869_RGMII_100_BASE:
 		ret = dp83869_configure_fiber(phydev, dp83869);
+		if (ret)
+			return ret;
 		break;
 	default:
 		return -EINVAL;
 	}
 
+	ret = phy_write(phydev, DP83869_CTRL, DP83869_SW_RESTART);
+
+	usleep_range(10, 20);
+
 	return ret;
 }
 

-- 
2.51.2