On Tue, Mar 10, 2015 at 6:57 PM, Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
> Export of_mdio_parse_addr() which allows parsing a given Ethernet PHY
> node MDIO address, verify it is within the allowed range, and return
> its value. This is going to be useful for the DSA code which needs to
> deal with multiple layers of MDIO buses.
>
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> drivers/of/of_mdio.c | 3 ++-
> include/linux/of_mdio.h | 7 +++++++
> 2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
> index 1bd43053b8c7..0c064485d1c2 100644
> --- a/drivers/of/of_mdio.c
> +++ b/drivers/of/of_mdio.c
> @@ -88,7 +88,7 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio, struct device_node *chi
> return 0;
> }
>
> -static int of_mdio_parse_addr(struct device *dev, const struct device_node *np)
> +int of_mdio_parse_addr(struct device *dev, const struct device_node *np)
> {
> u32 addr;
> int ret;
> @@ -108,6 +108,7 @@ static int of_mdio_parse_addr(struct device *dev, const struct device_node *np)
>
> return addr;
> }
> +EXPORT_SYMBOL(of_mdio_parse_addr);
>
> /**
> * of_mdiobus_register - Register mii_bus and create PHYs from the device tree
> diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
> index d449018d0726..8f2237eb3485 100644
> --- a/include/linux/of_mdio.h
> +++ b/include/linux/of_mdio.h
> @@ -24,6 +24,7 @@ struct phy_device *of_phy_attach(struct net_device *dev,
> phy_interface_t iface);
>
> extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
> +extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np);
>
> #else /* CONFIG_OF */
> static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
> @@ -60,6 +61,12 @@ static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
> {
> return NULL;
> }
> +
> +static inline int of_mdio_parse_addr(struct device *dev,
> + const struct device_node *np)
> +{
> + return -ENOSYS;
> +}
> #endif /* CONFIG_OF */
>
> #if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY)
> --
> 2.1.0
>
> --
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