From: Laurent Pinchart Date: Mon, 26 May 2008 09:53:45 +0000 (+0200) Subject: fs_enet: MDIO on GPIO support X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d8b35fac8c7e1b44d873c1afcc5f88bc5ef4b361;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Signed-off-by: Jeff Garzik --- 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 #ifdef CONFIG_PPC_CPM_NEW_BINDING +#include #include #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);