diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 53 |
1 files changed, 35 insertions, 18 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 92161af788af..2a01887c5617 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -3123,19 +3123,12 @@ void phy_get_pause(struct phy_device *phydev, bool *tx_pause, bool *rx_pause) EXPORT_SYMBOL(phy_get_pause); #if IS_ENABLED(CONFIG_OF_MDIO) -static int phy_get_int_delay_property(struct device *dev, const char *name) +static int phy_get_u32_property(struct device *dev, const char *name, u32 *val) { - s32 int_delay; - int ret; - - ret = device_property_read_u32(dev, name, &int_delay); - if (ret) - return ret; - - return int_delay; + return device_property_read_u32(dev, name, val); } #else -static int phy_get_int_delay_property(struct device *dev, const char *name) +static int phy_get_u32_property(struct device *dev, const char *name, u32 *val) { return -EINVAL; } @@ -3160,12 +3153,12 @@ static int phy_get_int_delay_property(struct device *dev, const char *name) s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev, const int *delay_values, int size, bool is_rx) { - s32 delay; - int i; + int i, ret; + u32 delay; if (is_rx) { - delay = phy_get_int_delay_property(dev, "rx-internal-delay-ps"); - if (delay < 0 && size == 0) { + ret = phy_get_u32_property(dev, "rx-internal-delay-ps", &delay); + if (ret < 0 && size == 0) { if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) return 1; @@ -3174,8 +3167,8 @@ s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev, } } else { - delay = phy_get_int_delay_property(dev, "tx-internal-delay-ps"); - if (delay < 0 && size == 0) { + ret = phy_get_u32_property(dev, "tx-internal-delay-ps", &delay); + if (ret < 0 && size == 0) { if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) return 1; @@ -3184,8 +3177,8 @@ s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev, } } - if (delay < 0) - return delay; + if (ret < 0) + return ret; if (size == 0) return delay; @@ -3220,6 +3213,30 @@ s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev, } EXPORT_SYMBOL(phy_get_internal_delay); +/** + * phy_get_tx_amplitude_gain - stores tx amplitude gain in @val + * @phydev: phy_device struct + * @dev: pointer to the devices device struct + * @linkmode: linkmode for which the tx amplitude gain should be retrieved + * @val: tx amplitude gain + * + * Returns: 0 on success, < 0 on failure + */ +int phy_get_tx_amplitude_gain(struct phy_device *phydev, struct device *dev, + enum ethtool_link_mode_bit_indices linkmode, + u32 *val) +{ + switch (linkmode) { + case ETHTOOL_LINK_MODE_100baseT_Full_BIT: + return phy_get_u32_property(dev, + "tx-amplitude-100base-tx-percent", + val); + default: + return -EINVAL; + } +} +EXPORT_SYMBOL_GPL(phy_get_tx_amplitude_gain); + static int phy_led_set_brightness(struct led_classdev *led_cdev, enum led_brightness value) { |