[PATCH net-next 3/7] net: phy: lxt: Mark LXT973 PHYs as having a broken isolate mode

Maxime Chevallier maxime.chevallier at bootlin.com
Wed Sep 11 14:27:07 PDT 2024


Testing showed that PHYs from the LXT973 family have a non-working
isolate mode, where the MII lines aren't set in high-impedance as would
be expected. Prevent isolating these PHYs.

Signed-off-by: Maxime Chevallier <maxime.chevallier at bootlin.com>
---
 drivers/net/phy/lxt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/phy/lxt.c b/drivers/net/phy/lxt.c
index e3bf827b7959..55cf67391533 100644
--- a/drivers/net/phy/lxt.c
+++ b/drivers/net/phy/lxt.c
@@ -334,6 +334,7 @@ static struct phy_driver lxt97x_driver[] = {
 	.read_status	= lxt973a2_read_status,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,
+	.flags		= PHY_NO_ISOLATE,
 }, {
 	.phy_id		= 0x00137a10,
 	.name		= "LXT973",
@@ -344,6 +345,7 @@ static struct phy_driver lxt97x_driver[] = {
 	.config_aneg	= lxt973_config_aneg,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,
+	.flags		= PHY_NO_ISOLATE,
 } };
 
 module_phy_driver(lxt97x_driver);
-- 
2.46.0




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