diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/phy.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index d25bec27f0..e25d4e337d 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -528,6 +528,30 @@ int phy_register(struct phy_driver *drv) return 0; } +int phy_set_supported(struct phy_device *phydev, u32 max_speed) +{ + /* The default values for phydev->supported are provided by the PHY + * driver "features" member, we want to reset to sane defaults first + * before supporting higher speeds. + */ + phydev->supported &= PHY_DEFAULT_FEATURES; + + switch (max_speed) { + default: + return -ENOTSUPP; + case SPEED_1000: + phydev->supported |= PHY_1000BT_FEATURES; + /* fall through */ + case SPEED_100: + phydev->supported |= PHY_100BT_FEATURES; + /* fall through */ + case SPEED_10: + phydev->supported |= PHY_10BT_FEATURES; + } + + return 0; +} + static int phy_probe(struct phy_device *phydev) { int err = 0; |