the phydev->supported field does not necessarily match the hardware
capabilities, it could be limited by the board to force the phy
to a lower speed. In this case make sure the gigabit advertise bits
are cleared on a gigabit phy.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/net/phy/phy.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index b0e0c1e..e214c13 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -390,7 +390,7 @@ out:
int genphy_config_advert(struct phy_device *phydev)
{
u32 advertise;
- int oldadv, adv;
+ int oldadv, adv, bmsr;
int err, changed = 0;
/* Only allow advertising what
@@ -417,8 +417,11 @@ int genphy_config_advert(struct phy_device *phydev)
}
/* Configure gigabit if it's supported */
- if (phydev->supported & (SUPPORTED_1000baseT_Half |
- SUPPORTED_1000baseT_Full)) {
+ bmsr = phy_read(phydev, MII_BMSR);
+ if (bmsr < 0)
+ return bmsr;
+
+ if (bmsr & BMSR_ESTATEN) {
oldadv = adv = phy_read(phydev, MII_CTRL1000);
if (adv < 0)
--
2.0.0.rc0
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