net: phy: split out 10G genphy support
authorRussell King <rmk+kernel@armlinux.org.uk>
Mon, 5 Jun 2017 11:23:05 +0000 (12:23 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 7 Jun 2017 01:14:13 +0000 (21:14 -0400)
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>
drivers/net/phy/phy-c45.c
drivers/net/phy/phy_device.c

index d311d6e6141cd63181f668e9a8a00a20ce9187b3..dada819c6b78cdaec225f841189f39153bd55bf3 100644 (file)
@@ -232,3 +232,67 @@ int genphy_c45_read_pma(struct phy_device *phydev)
        return 0;
 }
 EXPORT_SYMBOL_GPL(genphy_c45_read_pma);
+
+/* The gen10g_* functions are the old Clause 45 stub */
+
+static int gen10g_config_aneg(struct phy_device *phydev)
+{
+       return 0;
+}
+
+static int gen10g_read_status(struct phy_device *phydev)
+{
+       u32 mmd_mask = phydev->c45_ids.devices_in_package;
+       int ret;
+
+       /* For now just lie and say it's 10G all the time */
+       phydev->speed = SPEED_10000;
+       phydev->duplex = DUPLEX_FULL;
+
+       /* Avoid reading the vendor MMDs */
+       mmd_mask &= ~(BIT(MDIO_MMD_VEND1) | BIT(MDIO_MMD_VEND2));
+
+       ret = genphy_c45_read_link(phydev, mmd_mask);
+
+       phydev->link = ret > 0 ? 1 : 0;
+
+       return 0;
+}
+
+static int gen10g_soft_reset(struct phy_device *phydev)
+{
+       /* Do nothing for now */
+       return 0;
+}
+
+static int gen10g_config_init(struct phy_device *phydev)
+{
+       /* Temporarily just say we support everything */
+       phydev->supported = SUPPORTED_10000baseT_Full;
+       phydev->advertising = SUPPORTED_10000baseT_Full;
+
+       return 0;
+}
+
+static int gen10g_suspend(struct phy_device *phydev)
+{
+       return 0;
+}
+
+static int gen10g_resume(struct phy_device *phydev)
+{
+       return 0;
+}
+
+struct phy_driver genphy_10g_driver = {
+       .phy_id         = 0xffffffff,
+       .phy_id_mask    = 0xffffffff,
+       .name           = "Generic 10G PHY",
+       .soft_reset     = gen10g_soft_reset,
+       .config_init    = gen10g_config_init,
+       .features       = 0,
+       .config_aneg    = gen10g_config_aneg,
+       .read_status    = gen10g_read_status,
+       .suspend        = gen10g_suspend,
+       .resume         = gen10g_resume,
+};
index 6a79e24fa3124b39c4a18f797f237cb00e02066f..acf00f071c9a0914e8d3554dbea126ed1310ba1f 100644 (file)
@@ -69,13 +69,8 @@ static void phy_mdio_device_remove(struct mdio_device *mdiodev)
        phy_device_remove(phydev);
 }
 
-enum genphy_driver {
-       GENPHY_DRV_1G,
-       GENPHY_DRV_10G,
-       GENPHY_DRV_MAX
-};
-
-static struct phy_driver genphy_driver[GENPHY_DRV_MAX];
+static struct phy_driver genphy_driver;
+extern struct phy_driver genphy_10g_driver;
 
 static LIST_HEAD(phy_fixup_list);
 static DEFINE_MUTEX(phy_fixup_lock);
@@ -928,11 +923,9 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
         */
        if (!d->driver) {
                if (phydev->is_c45)
-                       d->driver =
-                               &genphy_driver[GENPHY_DRV_10G].mdiodrv.driver;
+                       d->driver = &genphy_10g_driver.mdiodrv.driver;
                else
-                       d->driver =
-                               &genphy_driver[GENPHY_DRV_1G].mdiodrv.driver;
+                       d->driver = &genphy_driver.mdiodrv.driver;
 
                using_genphy = true;
        }
@@ -1069,7 +1062,6 @@ void phy_detach(struct phy_device *phydev)
        struct net_device *dev = phydev->attached_dev;
        struct module *ndev_owner = dev->dev.parent->driver->owner;
        struct mii_bus *bus;
-       int i;
 
        if (phydev->sysfs_links) {
                sysfs_remove_link(&dev->dev.kobj, "phydev");
@@ -1088,13 +1080,9 @@ void phy_detach(struct phy_device *phydev)
         * from the generic driver so that there's a chance a
         * real driver could be loaded
         */
-       for (i = 0; i < ARRAY_SIZE(genphy_driver); i++) {
-               if (phydev->mdio.dev.driver ==
-                   &genphy_driver[i].mdiodrv.driver) {
-                       device_release_driver(&phydev->mdio.dev);
-                       break;
-               }
-       }
+       if (phydev->mdio.dev.driver == &genphy_10g_driver.mdiodrv.driver ||
+           phydev->mdio.dev.driver == &genphy_driver.mdiodrv.driver)
+               device_release_driver(&phydev->mdio.dev);
 
        /*
         * The phydev might go away on the put_device() below, so avoid
@@ -1368,11 +1356,6 @@ int genphy_aneg_done(struct phy_device *phydev)
 }
 EXPORT_SYMBOL(genphy_aneg_done);
 
-static int gen10g_config_aneg(struct phy_device *phydev)
-{
-       return 0;
-}
-
 /**
  * genphy_update_link - update link status in @phydev
  * @phydev: target phy_device struct
@@ -1506,25 +1489,6 @@ int genphy_read_status(struct phy_device *phydev)
 }
 EXPORT_SYMBOL(genphy_read_status);
 
-static int gen10g_read_status(struct phy_device *phydev)
-{
-       u32 mmd_mask = phydev->c45_ids.devices_in_package;
-       int ret;
-
-       /* For now just lie and say it's 10G all the time */
-       phydev->speed = SPEED_10000;
-       phydev->duplex = DUPLEX_FULL;
-
-       /* Avoid reading the vendor MMDs */
-       mmd_mask &= ~(BIT(MDIO_MMD_VEND1) | BIT(MDIO_MMD_VEND2));
-
-       ret = genphy_c45_read_link(phydev, mmd_mask);
-
-       phydev->link = ret > 0 ? 1 : 0;
-
-       return 0;
-}
-
 /**
  * genphy_soft_reset - software reset the PHY via BMCR_RESET bit
  * @phydev: target phy_device struct
@@ -1590,21 +1554,6 @@ int genphy_config_init(struct phy_device *phydev)
 }
 EXPORT_SYMBOL(genphy_config_init);
 
-static int gen10g_soft_reset(struct phy_device *phydev)
-{
-       /* Do nothing for now */
-       return 0;
-}
-
-static int gen10g_config_init(struct phy_device *phydev)
-{
-       /* Temporarily just say we support everything */
-       phydev->supported = SUPPORTED_10000baseT_Full;
-       phydev->advertising = SUPPORTED_10000baseT_Full;
-
-       return 0;
-}
-
 int genphy_suspend(struct phy_device *phydev)
 {
        int value;
@@ -1620,11 +1569,6 @@ int genphy_suspend(struct phy_device *phydev)
 }
 EXPORT_SYMBOL(genphy_suspend);
 
-static int gen10g_suspend(struct phy_device *phydev)
-{
-       return 0;
-}
-
 int genphy_resume(struct phy_device *phydev)
 {
        int value;
@@ -1640,11 +1584,6 @@ int genphy_resume(struct phy_device *phydev)
 }
 EXPORT_SYMBOL(genphy_resume);
 
-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
@@ -1876,8 +1815,7 @@ void phy_drivers_unregister(struct phy_driver *drv, int n)
 }
 EXPORT_SYMBOL(phy_drivers_unregister);
 
-static struct phy_driver genphy_driver[] = {
-{
+static struct phy_driver genphy_driver = {
        .phy_id         = 0xffffffff,
        .phy_id_mask    = 0xffffffff,
        .name           = "Generic PHY",
@@ -1891,18 +1829,7 @@ static struct phy_driver genphy_driver[] = {
        .read_status    = genphy_read_status,
        .suspend        = genphy_suspend,
        .resume         = genphy_resume,
-}, {
-       .phy_id         = 0xffffffff,
-       .phy_id_mask    = 0xffffffff,
-       .name           = "Generic 10G PHY",
-       .soft_reset     = gen10g_soft_reset,
-       .config_init    = gen10g_config_init,
-       .features       = 0,
-       .config_aneg    = gen10g_config_aneg,
-       .read_status    = gen10g_read_status,
-       .suspend        = gen10g_suspend,
-       .resume         = gen10g_resume,
-} };
+};
 
 static int __init phy_init(void)
 {
@@ -1912,18 +1839,24 @@ static int __init phy_init(void)
        if (rc)
                return rc;
 
-       rc = phy_drivers_register(genphy_driver,
-                                 ARRAY_SIZE(genphy_driver), THIS_MODULE);
+       rc = phy_driver_register(&genphy_10g_driver, THIS_MODULE);
        if (rc)
+               goto err_10g;
+
+       rc = phy_driver_register(&genphy_driver, THIS_MODULE);
+       if (rc) {
+               phy_driver_unregister(&genphy_10g_driver);
+err_10g:
                mdio_bus_exit();
+       }
 
        return rc;
 }
 
 static void __exit phy_exit(void)
 {
-       phy_drivers_unregister(genphy_driver,
-                              ARRAY_SIZE(genphy_driver));
+       phy_driver_unregister(&genphy_10g_driver);
+       phy_driver_unregister(&genphy_driver);
        mdio_bus_exit();
 }