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authorStefan Roese <sr@denx.de>2014-01-29 11:32:37 +0100
committerDavid S. Miller <davem@davemloft.net>2014-01-30 16:25:48 -0800
commitf8d56d8f892be43a2404356073e16401eb5a42e6 (patch)
treee7b8f7217e8d5c7ecdfdf1cdc795f01fb1d6fdf2 /drivers/net
parent53d8ab29f8f6d67e37857b68189b38fa3d87dd8e (diff)
net: eth: cpsw: Correctly attach to GPIO bitbang MDIO driver
When the GPIO bitbang MDIO driver is used instead of the Davinci MDIO driver we need to configure the phy_id string differently. Otherwise this string looks like this "gpio.6" instead of "gpio-0" and the PHY is not found when phy_connect() is called. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Lukas Stockmann <lukas.stockmann@siemens.com> Cc: Mugunthan V N <mugunthanvnm@ti.com> Acked-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/ti/cpsw.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index bde63e3af96..1d860ce914e 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1878,8 +1878,18 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
phyid = be32_to_cpup(parp+1);
mdio = of_find_device_by_node(mdio_node);
- snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
- PHY_ID_FMT, mdio->name, phyid);
+
+ if (strncmp(mdio->name, "gpio", 4) == 0) {
+ /* GPIO bitbang MDIO driver attached */
+ struct mii_bus *bus = dev_get_drvdata(&mdio->dev);
+
+ snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+ PHY_ID_FMT, bus->id, phyid);
+ } else {
+ /* davinci MDIO driver attached */
+ snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+ PHY_ID_FMT, mdio->name, phyid);
+ }
mac_addr = of_get_mac_address(slave_node);
if (mac_addr)