diff options
| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2022-05-06 06:23:52 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-05-09 12:09:29 +0100 |
| commit | 90532850eb210dff70423eaf20e323a91ef542d8 (patch) | |
| tree | a785ffa7912d5573d219c1188c3d88ec79a4f271 /drivers | |
| parent | a7f0e4bea8eda1d286f4e99176bcb88f53aa703b (diff) | |
net: phy: introduce genphy_c45_pma_baset1_setup_master_slave()
Move baset1 specific part of genphy_c45_pma_setup_forced() code to
separate function to make it reusable by PHY drivers.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/phy-c45.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index 0014aa6e73c0..ffa2d5cd09fc 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -71,6 +71,35 @@ int genphy_c45_pma_suspend(struct phy_device *phydev) EXPORT_SYMBOL_GPL(genphy_c45_pma_suspend); /** + * genphy_c45_pma_baset1_setup_master_slave - configures forced master/slave + * role of BaseT1 devices. + * @phydev: target phy_device struct + */ +int genphy_c45_pma_baset1_setup_master_slave(struct phy_device *phydev) +{ + int ctl = 0; + + switch (phydev->master_slave_set) { + case MASTER_SLAVE_CFG_MASTER_PREFERRED: + case MASTER_SLAVE_CFG_MASTER_FORCE: + ctl = MDIO_PMA_PMD_BT1_CTRL_CFG_MST; + break; + case MASTER_SLAVE_CFG_SLAVE_FORCE: + case MASTER_SLAVE_CFG_SLAVE_PREFERRED: + case MASTER_SLAVE_CFG_UNKNOWN: + case MASTER_SLAVE_CFG_UNSUPPORTED: + break; + default: + phydev_warn(phydev, "Unsupported Master/Slave mode\n"); + return -EOPNOTSUPP; + } + + return phy_modify_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_PMD_BT1_CTRL, + MDIO_PMA_PMD_BT1_CTRL_CFG_MST, ctl); +} +EXPORT_SYMBOL_GPL(genphy_c45_pma_baset1_setup_master_slave); + +/** * genphy_c45_pma_setup_forced - configures a forced speed * @phydev: target phy_device struct */ @@ -141,25 +170,7 @@ int genphy_c45_pma_setup_forced(struct phy_device *phydev) return ret; if (genphy_c45_baset1_able(phydev)) { - int ctl = 0; - - switch (phydev->master_slave_set) { - case MASTER_SLAVE_CFG_MASTER_PREFERRED: - case MASTER_SLAVE_CFG_MASTER_FORCE: - ctl = MDIO_PMA_PMD_BT1_CTRL_CFG_MST; - break; - case MASTER_SLAVE_CFG_SLAVE_FORCE: - case MASTER_SLAVE_CFG_SLAVE_PREFERRED: - case MASTER_SLAVE_CFG_UNKNOWN: - case MASTER_SLAVE_CFG_UNSUPPORTED: - break; - default: - phydev_warn(phydev, "Unsupported Master/Slave mode\n"); - return -EOPNOTSUPP; - } - - ret = phy_modify_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_PMD_BT1_CTRL, - MDIO_PMA_PMD_BT1_CTRL_CFG_MST, ctl); + ret = genphy_c45_pma_baset1_setup_master_slave(phydev); if (ret < 0) return ret; } |