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net: phy: implement detect callback for miibus devices 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2013-12-11 11:51:02 +01:00
parent bfc9a6985c
commit 6cb2b2f29f
3 changed files with 36 additions and 1 deletions
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31
drivers/net/phy/mdio_bus.c
View File

@ -27,6 +27,36 @@
LIST_HEAD(mii_bus_list);
static int mdiobus_detect(struct device_d *dev)
{
struct mii_bus *mii = to_mii_bus(dev);
int i, ret;
for (i = 0; i < PHY_MAX_ADDR; i++) {
struct phy_device *phydev;
phydev = mdiobus_scan(mii, i);
if (IS_ERR(phydev))
continue;
if (phydev->registered)
continue;
ret = phy_register_device(phydev);
if (ret)
dev_err(dev, "failed to register phy: %s\n", strerror(-ret));
dev_info(dev, "registered phy as /dev/%s\n", phydev->cdev.name);
}
return 0;
}
void mdiobus_detect_all(void)
{
struct mii_bus *mii;
for_each_mii_bus(mii)
mdiobus_detect(&mii->dev);
}
/**
* mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
* @bus: target mii_bus
@ -49,6 +79,7 @@ int mdiobus_register(struct mii_bus *bus)
bus->dev.id = DEVICE_ID_DYNAMIC;
strcpy(bus->dev.name, "miibus");
bus->dev.parent = bus->parent;
bus->dev.detect = mdiobus_detect;
err = register_device(&bus->dev);
if (err) {

2
drivers/net/phy/phy.c
View File

@ -232,7 +232,7 @@ static void phy_config_aneg(struct phy_device *phydev)
drv->config_aneg(phydev);
}
static int phy_register_device(struct phy_device* dev)
int phy_register_device(struct phy_device* dev)
{
int ret;

4
include/linux/phy.h
View File

@ -94,6 +94,8 @@ int mdiobus_register(struct mii_bus *bus);
void mdiobus_unregister(struct mii_bus *bus);
struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
void mdiobus_detect_all(void);
extern struct list_head mii_bus_list;
#define for_each_mii_bus(mii) \
@ -251,6 +253,8 @@ struct phy_device *get_phy_device(struct mii_bus *bus, int addr);
int phy_init(void);
int phy_init_hw(struct phy_device *phydev);
int phy_register_device(struct phy_device* dev);
/**
* phy_read - Convenience function for reading a given PHY register
* @phydev: the phy_device struct