diff options
| author | Laurent Pinchart <laurentp@cse-semaphore.com> | 2008-05-26 11:53:45 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-05-31 04:18:33 +0200 |
| commit | d8b35fac8c7e1b44d873c1afcc5f88bc5ef4b361 (patch) | |
| tree | 9f506fb935596786a652274f7107f1d200d7a083 | |
| parent | net: OpenFirmware GPIO based MDIO bitbang driver (diff) | |
| download | linux-d8b35fac8c7e1b44d873c1afcc5f88bc5ef4b361.tar.xz linux-d8b35fac8c7e1b44d873c1afcc5f88bc5ef4b361.zip | |
fs_enet: MDIO on GPIO support
Port the fs_enet driver to support the MDIO on GPIO driver for PHY access
in addition to the mii-bitbang driver.
Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
| -rw-r--r-- | drivers/net/fs_enet/fs_enet-main.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index a5baaf59ff66..fb7c47790bd6 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -43,6 +43,7 @@ #include <asm/uaccess.h> #ifdef CONFIG_PPC_CPM_NEW_BINDING +#include <linux/of_gpio.h> #include <asm/of_platform.h> #endif @@ -1172,8 +1173,7 @@ static int __devinit find_phy(struct device_node *np, struct fs_platform_info *fpi) { struct device_node *phynode, *mdionode; - struct resource res; - int ret = 0, len; + int ret = 0, len, bus_id; const u32 *data; data = of_get_property(np, "fixed-link", NULL); @@ -1190,19 +1190,28 @@ static int __devinit find_phy(struct device_node *np, if (!phynode) return -EINVAL; - mdionode = of_get_parent(phynode); - if (!mdionode) + data = of_get_property(phynode, "reg", &len); + if (!data || len != 4) { + ret = -EINVAL; goto out_put_phy; + } - ret = of_address_to_resource(mdionode, 0, &res); - if (ret) - goto out_put_mdio; + mdionode = of_get_parent(phynode); + if (!mdionode) { + ret = -EINVAL; + goto out_put_phy; + } - data = of_get_property(phynode, "reg", &len); - if (!data || len != 4) - goto out_put_mdio; + bus_id = of_get_gpio(mdionode, 0); + if (bus_id < 0) { + struct resource res; + ret = of_address_to_resource(mdionode, 0, &res); + if (ret) + goto out_put_mdio; + bus_id = res.start; + } - snprintf(fpi->bus_id, 16, "%x:%02x", res.start, *data); + snprintf(fpi->bus_id, 16, "%x:%02x", bus_id, *data); out_put_mdio: of_node_put(mdionode); |