提交 f03bc4ae 编写于 作者: A Andrew Lunn 提交者: David S. Miller

mdio_bus: Generalise of_mdiobus_link_phydev()

This function should work with any sort of MDIO device which can be
probed on the bus, not just PHY devices. So generalise it.
Signed-off-by: NAndrew Lunn <andrew@lunn.ch>
Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 e76a4957
......@@ -237,15 +237,16 @@ struct mii_bus *of_mdio_find_bus(struct device_node *mdio_bus_np)
}
EXPORT_SYMBOL(of_mdio_find_bus);
/* Walk the list of subnodes of a mdio bus and look for a node that matches the
* phy's address with its 'reg' property. If found, set the of_node pointer for
* the phy. This allows auto-probed pyh devices to be supplied with information
* passed in via DT.
/* Walk the list of subnodes of a mdio bus and look for a node that
* matches the mdio device's address with its 'reg' property. If
* found, set the of_node pointer for the mdio device. This allows
* auto-probed phy devices to be supplied with information passed in
* via DT.
*/
static void of_mdiobus_link_phydev(struct mii_bus *bus,
struct phy_device *phydev)
static void of_mdiobus_link_mdiodev(struct mii_bus *bus,
struct mdio_device *mdiodev)
{
struct device *dev = &phydev->mdio.dev;
struct device *dev = &mdiodev->dev;
struct device_node *child;
if (dev->of_node || !bus->dev.of_node)
......@@ -257,27 +258,27 @@ static void of_mdiobus_link_phydev(struct mii_bus *bus,
ret = of_property_read_u32(child, "reg", &addr);
if (ret < 0) {
dev_err(dev, "%s has invalid PHY address\n",
dev_err(dev, "%s has invalid MDIO address\n",
child->full_name);
continue;
}
/* A PHY must have a reg property in the range [0-31] */
/* A MDIO device must have a reg property in the range [0-31] */
if (addr >= PHY_MAX_ADDR) {
dev_err(dev, "%s PHY address %i is too large\n",
dev_err(dev, "%s MDIO address %i is too large\n",
child->full_name, addr);
continue;
}
if (addr == phydev->mdio.addr) {
if (addr == mdiodev->addr) {
dev->of_node = child;
return;
}
}
}
#else /* !IS_ENABLED(CONFIG_OF_MDIO) */
static inline void of_mdiobus_link_phydev(struct mii_bus *mdio,
struct phy_device *phydev)
static inline void of_mdiobus_link_mdiodev(struct mii_bus *mdio,
struct mdio_device *mdiodev)
{
}
#endif
......@@ -406,7 +407,7 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr)
* For DT, see if the auto-probed phy has a correspoding child
* in the bus node, and set the of_node pointer in this case.
*/
of_mdiobus_link_phydev(bus, phydev);
of_mdiobus_link_mdiodev(bus, &phydev->mdio);
err = phy_device_register(phydev);
if (err) {
......
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