xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mdio: Add support for mdio drivers.

Browse Source 
Not all devices on an MDIO bus are PHYs. Meaning not all MDIO drivers
are PHY drivers. Add support for generic MDIO drivers.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn
2016-01-06 20:11:26 +01:00
committed by David S. Miller
parent f89df3f381
commit a9049e0c51
7 changed files with 286 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/net/phy/phy_device.c
View File

@@ -264,6 +264,9 @@ static int phy_bus_match(struct device *dev, struct device_driver *drv)
const int num_ids = ARRAY_SIZE(phydev->c45_ids.device_ids);
int i;
if (!(phydrv->mdiodrv.flags & MDIO_DEVICE_IS_PHY))
return 0;
if (phydrv->match_phy_device)
return phydrv->match_phy_device(phydev);
@@ -851,9 +854,11 @@ 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].driver;
d->driver =
&genphy_driver[GENPHY_DRV_10G].mdiodrv.driver;
else
d->driver = &genphy_driver[GENPHY_DRV_1G].driver;
d->driver =
&genphy_driver[GENPHY_DRV_1G].mdiodrv.driver;
err = d->driver->probe(d);
if (err >= 0)
@@ -954,7 +959,8 @@ void phy_detach(struct phy_device *phydev)
* real driver could be loaded
*/
for (i = 0; i < ARRAY_SIZE(genphy_driver); i++) {
if (phydev->mdio.dev.driver == &genphy_driver[i].driver) {
if (phydev->mdio.dev.driver ==
&genphy_driver[i].mdiodrv.driver) {
device_release_driver(&phydev->mdio.dev);
break;
}
@@ -1598,13 +1604,14 @@ int phy_driver_register(struct phy_driver *new_driver, struct module *owner)
{
int retval;
new_driver->driver.name = new_driver->name;
new_driver->driver.bus = &mdio_bus_type;
new_driver->driver.probe = phy_probe;
new_driver->driver.remove = phy_remove;
new_driver->driver.owner = owner;
new_driver->mdiodrv.flags |= MDIO_DEVICE_IS_PHY;
new_driver->mdiodrv.driver.name = new_driver->name;
new_driver->mdiodrv.driver.bus = &mdio_bus_type;
new_driver->mdiodrv.driver.probe = phy_probe;
new_driver->mdiodrv.driver.remove = phy_remove;
new_driver->mdiodrv.driver.owner = owner;
retval = driver_register(&new_driver->driver);
retval = driver_register(&new_driver->mdiodrv.driver);
if (retval) {
pr_err("%s: Error %d in registering driver\n",
new_driver->name, retval);
@@ -1637,7 +1644,7 @@ EXPORT_SYMBOL(phy_drivers_register);
void phy_driver_unregister(struct phy_driver *drv)
{
driver_unregister(&drv->driver);
driver_unregister(&drv->mdiodrv.driver);
}
EXPORT_SYMBOL(phy_driver_unregister);