netdev - Re: [PATCH v2 2/2] netdev/phy: add MDIO bus multiplexer driven by a regmap

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Date:   Mon, 4 Feb 2019 14:46:30 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Pankaj Bansal <pankaj.bansal@....com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] netdev/phy: add MDIO bus multiplexer driven by a
 regmap

On Mon, Feb 04, 2019 at 08:59:50AM +0000, Pankaj Bansal wrote:
> Add support for an MDIO bus multiplexer controlled by a regmap
> device, like an FPGA.

Hi Pankaj

Thanks for adding the binding documentation.

> diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
> index 5805c0b7d60e..0827a700eb31 100644
> --- a/drivers/net/phy/Makefile
> +++ b/drivers/net/phy/Makefile
> @@ -26,6 +26,7 @@ obj-$(CONFIG_MDIO_BCM_IPROC)	+= mdio-bcm-iproc.o
>  obj-$(CONFIG_MDIO_BCM_UNIMAC)	+= mdio-bcm-unimac.o
>  obj-$(CONFIG_MDIO_BITBANG)	+= mdio-bitbang.o
>  obj-$(CONFIG_MDIO_BUS_MUX)	+= mdio-mux.o
> +obj-$(CONFIG_MDIO_BUS_MUX_REGMAP)	+= mdio-mux-regmap.o
>  obj-$(CONFIG_MDIO_BUS_MUX_BCM_IPROC)	+= mdio-mux-bcm-iproc.o
>  obj-$(CONFIG_MDIO_BUS_MUX_GPIO)	+= mdio-mux-gpio.o
>  obj-$(CONFIG_MDIO_BUS_MUX_MMIOREG) += mdio-mux-mmioreg.o

We try to keep the Makefile sorting in alphabetical order.


> +/**
> + * mdio_mux_regmap_uninit - relinquish the control of MDIO bus muxing using
> + *			    regmap constructs.
> + * @data: address of data allocated by mdio_mux_regmap_init
> + */
> +int mdio_mux_regmap_uninit(void *data)
> +{
> +	struct mdio_mux_regmap_state *s = data;
> +
> +	mdio_mux_uninit(s->mux_handle);
> +
> +	return 0;
> +}

Please make this a void function, since there is nothing to return.

       Andrew