[PATCH 09/10] net: phy: genphy: Make it work with of_set_phy_supported

[Sascha Hauer <s.hauer@pengutronix.de>]

phys start with features initialized from the phy driver
and are eventually limited by of_set_phy_supported. This
does not work with the genphy driver which starts with
no features and overwrites phydev->supported with the
values read from hardware in config_init. This overwrites
the features adjusted by of_set_phy_supported.
To fix this let the genphy driver start with full features
which are then only limited in config_init, but never
extended.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/net/phy/phy.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index e214c13..517ed58 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -805,8 +805,8 @@ static int genphy_config_init(struct phy_device *phydev)
 			features |= SUPPORTED_1000baseT_Half;
 	}
 
-	phydev->supported = features;
-	phydev->advertising = features;
+	phydev->supported &= features;
+	phydev->advertising &= features;
 
 	return 0;
 }
@@ -858,7 +858,9 @@ static struct phy_driver genphy_driver = {
 	.drv.name = "Generic PHY",
 	.phy_id = PHY_ANY_UID,
 	.phy_id_mask = PHY_ANY_UID,
-	.features = 0,
+	.features = PHY_GBIT_FEATURES | SUPPORTED_MII |
+		SUPPORTED_AUI | SUPPORTED_FIBRE |
+		SUPPORTED_BNC,
 };
 
 static int generic_phy_register(void)
-- 
2.0.0.rc0


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