[PATCH net-next v2 4/9] net: phy: lxt: Mark LXT973 PHYs as having a broken isolate mode

Maxime Chevallier
2024-10-04T17:12:06Z

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@bootlin.com>
---
V2 : Use callback instead of flag

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..45f92451bee8 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,
+ .can_isolate = genphy_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,
+ .can_isolate = genphy_no_isolate,
} };

module_phy_driver(lxt97x_driver);
--
2.46.1