linux-kernel - Re: [PATCH] [5.8 regression] net: ks8851: fix link error

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Message-ID: <YA7FK3Q+KOedxW4o@lunn.ch>
Date:   Mon, 25 Jan 2021 14:18:35 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Marek Vasut <marex@...x.de>,
        Arnd Bergmann <arnd@...db.de>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [5.8 regression] net: ks8851: fix link error

On Mon, Jan 25, 2021 at 01:19:20PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> An object file cannot be built for both loadable module and built-in
> use at the same time:
> 
> arm-linux-gnueabi-ld: drivers/net/ethernet/micrel/ks8851_common.o: in function `ks8851_probe_common':
> ks8851_common.c:(.text+0xf80): undefined reference to `__this_module'
> 
> Change the ks8851_common code to be a standalone module instead,
> and use Makefile logic to ensure this is built-in if at least one
> of its two users is.
> 
> Fixes: 797047f875b5 ("net: ks8851: Implement Parallel bus operations")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

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

    Andrew