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authorTimur Tabi <timur@freescale.com>2012-08-14 06:47:22 +0000
committerAndy Fleming <afleming@freescale.com>2012-08-23 10:24:18 -0500
commitae2291fbe0f9858d332423a97c6b09157005050f (patch)
tree1169c04179489ea568b65ab78e3db98106e3c2e6 /drivers/net/fm
parent99abf7ded3b8daf82bdf1a60d1a92cb76c482c9a (diff)
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fm-eth: add function fm_info_get_phy_address()
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>
Diffstat (limited to 'drivers/net/fm')
-rw-r--r--drivers/net/fm/init.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/fm/init.c b/drivers/net/fm/init.c
index 9834cd9..8a5311c 100644
--- a/drivers/net/fm/init.c
+++ b/drivers/net/fm/init.c
@@ -155,6 +155,22 @@ void fm_info_set_phy_address(enum fm_port port, int 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.
*/