diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 59 |
1 files changed, 40 insertions, 19 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 0a76cc5d13da..0bfbabad4431 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1263,6 +1263,44 @@ static int gen10g_resume(struct phy_device *phydev) return 0; } +static int __set_phy_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; +} + +int phy_set_max_speed(struct phy_device *phydev, u32 max_speed) +{ + int err; + + err = __set_phy_supported(phydev, max_speed); + if (err) + return err; + + phydev->advertising = phydev->supported; + + return 0; +} +EXPORT_SYMBOL(phy_set_max_speed); + static void of_set_phy_supported(struct phy_device *phydev) { struct device_node *node = phydev->dev.of_node; @@ -1274,25 +1312,8 @@ static void of_set_phy_supported(struct phy_device *phydev) if (!node) return; - if (!of_property_read_u32(node, "max-speed", &max_speed)) { - /* The default values for phydev->supported are provided by the PHY - * driver "features" member, we want to reset to sane defaults fist - * before supporting higher speeds. - */ - phydev->supported &= PHY_DEFAULT_FEATURES; - - switch (max_speed) { - default: - return; - - case SPEED_1000: - phydev->supported |= PHY_1000BT_FEATURES; - case SPEED_100: - phydev->supported |= PHY_100BT_FEATURES; - case SPEED_10: - phydev->supported |= PHY_10BT_FEATURES; - } - } + if (!of_property_read_u32(node, "max-speed", &max_speed)) + __set_phy_supported(phydev, max_speed); } /** |