[PATCH net-next 1/3] net: phy: dp83869: Restart PHY when configuring mode
From: Romain Gantois <romain.gantois@bootlin.com>
Date: 2025-11-04 08:50:43
Also in:
lkml
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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@bootlin.com> --- 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; }
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2.51.2