linux-kernel - Re: [PATCH] net: mdio: mscc-miim: Add depend of REGMAP_MMIO on MDIO_MSCC

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Date:   Tue, 30 Nov 2021 19:13:13 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Tianchen Ding <dtcccc@...ux.alibaba.com>
Cc:     Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Colin Foster <colin.foster@...advantage.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: mdio: mscc-miim: Add depend of REGMAP_MMIO on
 MDIO_MSCC_MIIM

On Tue, Nov 30, 2021 at 07:02:09PM +0800, Tianchen Ding wrote:
> There's build error while CONFIG_REGMAP_MMIO is not set
> and CONFIG_MDIO_MSCC_MIIM=m.
> 
> ERROR: modpost: "__devm_regmap_init_mmio_clk"
> [drivers/net/mdio/mdio-mscc-miim.ko] undefined!
> 
> Add the depend of REGMAP_MMIO to fix it.
> 
> Fixes: a27a76282837 ("net: mdio: mscc-miim: convert to a regmap implementation")
> Signed-off-by: Tianchen Ding <dtcccc@...ux.alibaba.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew