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net: phy: Track mii buses on a list 

To be able to iterate over registered mii buses

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2013-02-08 10:13:49 +01:00
parent 5200678e86
commit bfc9a6985c
2 changed files with 13 additions and 0 deletions
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6
drivers/net/phy/mdio_bus.c
View File

@ -25,6 +25,8 @@
#include <linux/phy.h>
#include <linux/err.h>
LIST_HEAD(mii_bus_list);
/**
* mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
* @bus: target mii_bus
@ -57,6 +59,8 @@ int mdiobus_register(struct mii_bus *bus)
if (bus->reset)
bus->reset(bus);
list_add_tail(&bus->list, &mii_bus_list);
pr_info("%s: probed\n", dev_name(&bus->dev));
return 0;
}
@ -71,6 +75,8 @@ void mdiobus_unregister(struct mii_bus *bus)
unregister_device(&bus->phy_map[i]->dev);
bus->phy_map[i] = NULL;
}
list_del(&bus->list);
}
EXPORT_SYMBOL(mdiobus_unregister);

7
include/linux/phy.h
View File

@ -85,6 +85,8 @@ struct mii_bus {
/* PHY addresses to be ignored when probing */
u32 phy_mask;
struct list_head list;
};
#define to_mii_bus(d) container_of(d, struct mii_bus, dev)
@ -92,6 +94,11 @@ 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);
extern struct list_head mii_bus_list;
#define for_each_mii_bus(mii) \
list_for_each_entry(mii, &mii_bus_list, list)
/**
* mdiobus_read - Convenience function for reading a given MII mgmt register
* @bus: the mii_bus struct