netdev - Re: [PATCH net-next 1/3] of: mdio: export of_mdio_parse

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Message-ID: <CAL_JsqKfT2W=Gc4zpFXm269RoApbD8QKe2_gUDWns9U+BE=XuA@mail.gmail.com>
Date:	Wed, 11 Mar 2015 07:48:01 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	netdev <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH net-next 1/3] of: mdio: export of_mdio_parse_addr

On Tue, Mar 10, 2015 at 6:57 PM, Florian Fainelli <f.fainelli@...il.com> 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@...il.com>

Acked-by: Rob Herring <robh@...nel.org>

> ---
>  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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