diff options
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/of/fdt.c | 13 | ||||
| -rw-r--r-- | drivers/of/of_mdio.c | 38 |
3 files changed, 50 insertions, 2 deletions
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index b3bec3aaa45d..bc07ad30c9bf 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -74,6 +74,7 @@ config OF_NET config OF_MDIO def_tristate PHYLIB depends on PHYLIB + select FIXED_PHY help OpenFirmware MDIO bus (Ethernet PHY) accessors diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 33daffc4392c..0e02947a8a7a 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -744,6 +744,19 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node, } /** + * of_get_flat_dt_subnode_by_name - get the subnode by given name + * + * @node: the parent node + * @uname: the name of subnode + * @return offset of the subnode, or -FDT_ERR_NOTFOUND if there is none + */ + +int of_get_flat_dt_subnode_by_name(unsigned long node, const char *uname) +{ + return fdt_subnode_offset(initial_boot_params, node, uname); +} + +/** * of_get_flat_dt_root - find the root node in the flat blob */ unsigned long __init of_get_flat_dt_root(void) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index e051e1b57609..b470f7e3521d 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -19,6 +19,7 @@ #include <linux/of_gpio.h> #include <linux/of_irq.h> #include <linux/of_mdio.h> +#include <linux/of_net.h> #include <linux/module.h> MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>"); @@ -332,6 +333,41 @@ struct phy_device *of_phy_connect(struct net_device *dev, EXPORT_SYMBOL(of_phy_connect); /** + * of_phy_get_and_connect + * - Get phy node and connect to the phy described in the device tree + * @dev: pointer to net_device claiming the phy + * @np: Pointer to device tree node for the net_device claiming the phy + * @hndlr: Link state callback for the network device + * + * If successful, returns a pointer to the phy_device with the embedded + * struct device refcount incremented by one, or NULL on failure. The + * refcount must be dropped by calling phy_disconnect() or phy_detach(). + */ +struct phy_device *of_phy_get_and_connect(struct net_device *dev, + struct device_node *np, + void (*hndlr)(struct net_device *)) +{ + phy_interface_t iface; + struct device_node *phy_np; + struct phy_device *phy; + + iface = of_get_phy_mode(np); + if (iface < 0) + return NULL; + + phy_np = of_parse_phandle(np, "phy-handle", 0); + if (!phy_np) + return NULL; + + phy = of_phy_connect(dev, phy_np, hndlr, 0, iface); + + of_node_put(phy_np); + + return phy; +} +EXPORT_SYMBOL(of_phy_get_and_connect); + +/** * of_phy_attach - Attach to a PHY without starting the state machine * @dev: pointer to net_device claiming the phy * @phy_np: Node pointer for the PHY @@ -361,7 +397,6 @@ struct phy_device *of_phy_attach(struct net_device *dev, } EXPORT_SYMBOL(of_phy_attach); -#if defined(CONFIG_FIXED_PHY) /* * of_phy_is_fixed_link() and of_phy_register_fixed_link() must * support two DT bindings: @@ -451,4 +486,3 @@ int of_phy_register_fixed_link(struct device_node *np) return -ENODEV; } EXPORT_SYMBOL(of_phy_register_fixed_link); -#endif |
