mirror of https://gitee.com/openkylin/linux.git
net: phy: split out 10G genphy support
Move the old 10G genphy support to sit beside the new clause 45 library functions, so all the 10G phy code is together. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King
David S. Miller
parent
002ba7058a
commit
921690f2aa
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@ -232,3 +232,67 @@ int genphy_c45_read_pma(struct phy_device *phydev)
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return 0;
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}
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EXPORT_SYMBOL_GPL(genphy_c45_read_pma);
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/* The gen10g_* functions are the old Clause 45 stub */
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static int gen10g_config_aneg(struct phy_device *phydev)
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{
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return 0;
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}
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static int gen10g_read_status(struct phy_device *phydev)
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{
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u32 mmd_mask = phydev->c45_ids.devices_in_package;
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int ret;
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/* For now just lie and say it's 10G all the time */
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phydev->speed = SPEED_10000;
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phydev->duplex = DUPLEX_FULL;
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/* Avoid reading the vendor MMDs */
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mmd_mask &= ~(BIT(MDIO_MMD_VEND1) | BIT(MDIO_MMD_VEND2));
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ret = genphy_c45_read_link(phydev, mmd_mask);
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phydev->link = ret > 0 ? 1 : 0;
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return 0;
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}
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static int gen10g_soft_reset(struct phy_device *phydev)
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{
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/* Do nothing for now */
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return 0;
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}
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static int gen10g_config_init(struct phy_device *phydev)
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{
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/* Temporarily just say we support everything */
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phydev->supported = SUPPORTED_10000baseT_Full;
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phydev->advertising = SUPPORTED_10000baseT_Full;
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return 0;
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}
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static int gen10g_suspend(struct phy_device *phydev)
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{
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return 0;
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}
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static int gen10g_resume(struct phy_device *phydev)
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{
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return 0;
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}
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struct phy_driver genphy_10g_driver = {
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.phy_id = 0xffffffff,
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.phy_id_mask = 0xffffffff,
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.name = "Generic 10G PHY",
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.soft_reset = gen10g_soft_reset,
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.config_init = gen10g_config_init,
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.features = 0,
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.config_aneg = gen10g_config_aneg,
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.read_status = gen10g_read_status,
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.suspend = gen10g_suspend,
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.resume = gen10g_resume,
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};
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@ -69,13 +69,8 @@ static void phy_mdio_device_remove(struct mdio_device *mdiodev)
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phy_device_remove(phydev);
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}
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enum genphy_driver {
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GENPHY_DRV_1G,
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GENPHY_DRV_10G,
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GENPHY_DRV_MAX
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};
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static struct phy_driver genphy_driver[GENPHY_DRV_MAX];
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static struct phy_driver genphy_driver;
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extern struct phy_driver genphy_10g_driver;
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static LIST_HEAD(phy_fixup_list);
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static DEFINE_MUTEX(phy_fixup_lock);
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@ -928,11 +923,9 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
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*/
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if (!d->driver) {
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if (phydev->is_c45)
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d->driver =
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&genphy_driver[GENPHY_DRV_10G].mdiodrv.driver;
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d->driver = &genphy_10g_driver.mdiodrv.driver;
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else
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d->driver =
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&genphy_driver[GENPHY_DRV_1G].mdiodrv.driver;
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d->driver = &genphy_driver.mdiodrv.driver;
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using_genphy = true;
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}
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@ -1069,7 +1062,6 @@ void phy_detach(struct phy_device *phydev)
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struct net_device *dev = phydev->attached_dev;
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struct module *ndev_owner = dev->dev.parent->driver->owner;
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struct mii_bus *bus;
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int i;
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if (phydev->sysfs_links) {
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sysfs_remove_link(&dev->dev.kobj, "phydev");
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@ -1088,13 +1080,9 @@ void phy_detach(struct phy_device *phydev)
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* from the generic driver so that there's a chance a
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* real driver could be loaded
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*/
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for (i = 0; i < ARRAY_SIZE(genphy_driver); i++) {
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if (phydev->mdio.dev.driver ==
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&genphy_driver[i].mdiodrv.driver) {
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device_release_driver(&phydev->mdio.dev);
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break;
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}
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}
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if (phydev->mdio.dev.driver == &genphy_10g_driver.mdiodrv.driver ||
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phydev->mdio.dev.driver == &genphy_driver.mdiodrv.driver)
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device_release_driver(&phydev->mdio.dev);
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/*
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* The phydev might go away on the put_device() below, so avoid
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@ -1368,11 +1356,6 @@ int genphy_aneg_done(struct phy_device *phydev)
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}
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EXPORT_SYMBOL(genphy_aneg_done);
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static int gen10g_config_aneg(struct phy_device *phydev)
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{
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return 0;
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}
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/**
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* genphy_update_link - update link status in @phydev
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* @phydev: target phy_device struct
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@ -1506,25 +1489,6 @@ int genphy_read_status(struct phy_device *phydev)
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}
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EXPORT_SYMBOL(genphy_read_status);
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static int gen10g_read_status(struct phy_device *phydev)
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{
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u32 mmd_mask = phydev->c45_ids.devices_in_package;
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int ret;
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/* For now just lie and say it's 10G all the time */
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phydev->speed = SPEED_10000;
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phydev->duplex = DUPLEX_FULL;
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/* Avoid reading the vendor MMDs */
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mmd_mask &= ~(BIT(MDIO_MMD_VEND1) | BIT(MDIO_MMD_VEND2));
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ret = genphy_c45_read_link(phydev, mmd_mask);
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phydev->link = ret > 0 ? 1 : 0;
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return 0;
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}
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/**
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* genphy_soft_reset - software reset the PHY via BMCR_RESET bit
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* @phydev: target phy_device struct
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@ -1590,21 +1554,6 @@ int genphy_config_init(struct phy_device *phydev)
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}
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EXPORT_SYMBOL(genphy_config_init);
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static int gen10g_soft_reset(struct phy_device *phydev)
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{
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/* Do nothing for now */
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return 0;
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}
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static int gen10g_config_init(struct phy_device *phydev)
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{
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/* Temporarily just say we support everything */
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phydev->supported = SUPPORTED_10000baseT_Full;
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phydev->advertising = SUPPORTED_10000baseT_Full;
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return 0;
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}
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int genphy_suspend(struct phy_device *phydev)
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{
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int value;
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@ -1620,11 +1569,6 @@ int genphy_suspend(struct phy_device *phydev)
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}
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EXPORT_SYMBOL(genphy_suspend);
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static int gen10g_suspend(struct phy_device *phydev)
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{
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return 0;
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}
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int genphy_resume(struct phy_device *phydev)
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{
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int value;
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@ -1640,11 +1584,6 @@ int genphy_resume(struct phy_device *phydev)
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}
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EXPORT_SYMBOL(genphy_resume);
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static int gen10g_resume(struct phy_device *phydev)
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{
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return 0;
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}
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static int __set_phy_supported(struct phy_device *phydev, u32 max_speed)
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{
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/* The default values for phydev->supported are provided by the PHY
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@ -1876,8 +1815,7 @@ void phy_drivers_unregister(struct phy_driver *drv, int n)
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}
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EXPORT_SYMBOL(phy_drivers_unregister);
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static struct phy_driver genphy_driver[] = {
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{
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static struct phy_driver genphy_driver = {
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.phy_id = 0xffffffff,
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.phy_id_mask = 0xffffffff,
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.name = "Generic PHY",
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@ -1891,18 +1829,7 @@ static struct phy_driver genphy_driver[] = {
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.read_status = genphy_read_status,
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.suspend = genphy_suspend,
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.resume = genphy_resume,
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}, {
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.phy_id = 0xffffffff,
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.phy_id_mask = 0xffffffff,
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.name = "Generic 10G PHY",
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.soft_reset = gen10g_soft_reset,
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.config_init = gen10g_config_init,
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.features = 0,
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.config_aneg = gen10g_config_aneg,
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.read_status = gen10g_read_status,
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.suspend = gen10g_suspend,
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.resume = gen10g_resume,
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} };
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};
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static int __init phy_init(void)
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{
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@ -1912,18 +1839,24 @@ static int __init phy_init(void)
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if (rc)
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return rc;
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rc = phy_drivers_register(genphy_driver,
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ARRAY_SIZE(genphy_driver), THIS_MODULE);
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rc = phy_driver_register(&genphy_10g_driver, THIS_MODULE);
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if (rc)
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goto err_10g;
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rc = phy_driver_register(&genphy_driver, THIS_MODULE);
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if (rc) {
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phy_driver_unregister(&genphy_10g_driver);
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err_10g:
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mdio_bus_exit();
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}
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return rc;
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}
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static void __exit phy_exit(void)
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{
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phy_drivers_unregister(genphy_driver,
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ARRAY_SIZE(genphy_driver));
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phy_driver_unregister(&genphy_10g_driver);
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phy_driver_unregister(&genphy_driver);
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mdio_bus_exit();
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}
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