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Commit 921690f2 authored by Russell King's avatar Russell King Committed by David S. Miller
Browse files

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: default avatarAndrew Lunn <andrew@lunn.ch>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 002ba705
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+64 −0
Original line number Diff line number Diff line
@@ -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,
};
+19 −86
Original line number Diff line number Diff line
@@ -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) {
	if (phydev->mdio.dev.driver == &genphy_10g_driver.mdiodrv.driver ||
	    phydev->mdio.dev.driver == &genphy_driver.mdiodrv.driver)
		device_release_driver(&phydev->mdio.dev);
			break;
		}
	}

	/*
	 * 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();
}