linux-kernel - Re: [PATCH] davinci_emac: always build in CONFIG

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Date:   Thu, 07 Mar 2019 09:29:35 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     ndesaulniers@...gle.com, grygorii.strashko@...com,
        bgolaszewski@...libre.com, linux-omap@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] davinci_emac: always build in CONFIG_OF code

From: Arnd Bergmann <arnd@...db.de>
Date: Thu,  7 Mar 2019 10:31:20 +0100

> clang warns about what seems to be an unintended use of an obscure C
> language feature where a forward declaration of an array remains usable
> when the final definition is never seen:
> 
> drivers/net/ethernet/ti/davinci_emac.c:1694:34: error: tentative array definition assumed to have one element [-Werror]
> static const struct of_device_id davinci_emac_of_match[];
> 
> There is no harm in always enabling the device tree matching code here,
> and it makes the code behave in a more conventional way aside from
> avoiding the warning.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied.