Re: linux-next: Tree for May 18 (drivers/net/dsa/qca8k.c)

From: Randy Dunlap
Date: Tue May 18 2021 - 12:57:31 EST


On 5/18/21 9:43 AM, Vladimir Oltean wrote:
> Hi Randy,
>
> Would something like this work?
>
> -----------------------------[ cut here ]-----------------------------
> From 36c0b3f04ebfa51e52bd1bc2dc447d12d1c6e119 Mon Sep 17 00:00:00 2001
> From: Vladimir Oltean <olteanv@xxxxxxxxx>
> Date: Tue, 18 May 2021 19:39:18 +0300
> Subject: [PATCH] net: mdio: provide shim implementation of
> devm_of_mdiobus_register
>
> Similar to the way in which of_mdiobus_register() has a fallback to the
> non-DT based mdiobus_register() when CONFIG_OF is not set, we can create
> a shim for the device-managed devm_of_mdiobus_register() which calls
> devm_mdiobus_register() and discards the struct device_node *.
>
> In particular, this solves a build issue with the qca8k DSA driver which
> uses devm_of_mdiobus_register and can be compiled without CONFIG_OF.
>
> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Signed-off-by: Vladimir Oltean <olteanv@xxxxxxxxx>
> ---
> include/linux/of_mdio.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
> index 2b05e7f7c238..da633d34ab86 100644
> --- a/include/linux/of_mdio.h
> +++ b/include/linux/of_mdio.h
> @@ -72,6 +72,13 @@ static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *
> return mdiobus_register(mdio);
> }
>
> +static inline int devm_of_mdiobus_register(struct device *dev,
> + struct mii_bus *mdio,
> + struct device_node *np)
> +{
> + return devm_mdiobus_register(dev, mdio);
> +}
> +
> static inline struct mdio_device *of_mdio_find_device(struct device_node *np)
> {
> return NULL;
> -----------------------------[ cut here ]-----------------------------
>

Yes, that's all good. Thanks.

Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested

--
~Randy