[PATCH] phy address mask support for generic phy layer

Adds a phy_mask field to struct mii_bus and uses it.  This field
indicates each phy address to be ignored when probing the mdio bus.

This support is needed for the fs_enet and ibm_emac drivers to be
converted to the generic phy layer among other drivers. Many systems
lock up on probing certain phy addresses or probing doesn't return
0xffff when nothing is found at the address. A new driver I'm
working on also makes use of this mask.

Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Matt Porter 2005-11-02 16:13:06 -07:00 committed by Jeff Garzik
parent 4371dc6c60
commit f896424cbc
2 changed files with 6 additions and 0 deletions

View File

@ -61,6 +61,9 @@ int mdiobus_register(struct mii_bus *bus)
for (i = 0; i < PHY_MAX_ADDR; i++) {
struct phy_device *phydev;
if (bus->phy_mask & (1 << i))
continue;
phydev = get_phy_device(bus, i);
if (IS_ERR(phydev))

View File

@ -72,6 +72,9 @@ struct mii_bus {
/* list of all PHYs on bus */
struct phy_device *phy_map[PHY_MAX_ADDR];
/* Phy addresses to be ignored when probing */
u32 phy_mask;
/* Pointer to an array of interrupts, each PHY's
* interrupt at the index matching its address */
int *irq;