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fm-eth: add function fm_info_get_phy_address()

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Function fm_info_get_phy_address() returns the PHY address for a given
Fman port.  This is handy when the MDIO code needs to fixup the Ethernet
nodes in the device tree to point to PHY nodes for a specific PHY address.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Timur Tabi 2012-08-14 06:47:22 +00:00 committed by Andy Fleming
parent 99abf7ded3
commit ae2291fbe0
2 changed files with 17 additions and 0 deletions
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16
drivers/net/fm/init.c
View file

@ -154,6 +154,22 @@ void fm_info_set_phy_address(enum fm_port port, int address)
fm_info[i].phy_addr = address;
}
/*
* Returns the PHY address for a given Fman port
*
* The port must be set via a prior call to fm_info_set_phy_address().
* A negative error code is returned if the port is invalid.
*/
int fm_info_get_phy_address(enum fm_port port)
{
int i = fm_port_to_index(port);
if (i == -1)
return -1;
return fm_info[i].phy_addr;
}
/*
* Returns the type of the data interface between the given MAC and its PHY.
* This is typically determined by the RCW.

1
include/fm_eth.h
View file

@ -110,6 +110,7 @@ void fman_enet_init(void);
void fdt_fixup_fman_ethernet(void *fdt);
phy_interface_t fm_info_get_enet_if(enum fm_port port);
void fm_info_set_phy_address(enum fm_port port, int address);
int fm_info_get_phy_address(enum fm_port port);
void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus);
void fm_disable_port(enum fm_port port);