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Date:   Thu, 3 Jan 2019 00:05:14 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Finn Thain <fthain@telegraphics.com.au>
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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        linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
        linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v8 22/25] powerpc: Remove CONFIG_GENERIC_NVRAM and adopt
 CONFIG_HAVE_ARCH_NVRAM_OPS
Message-ID: <20190103080514.GC11147@infradead.org>
References: <cover.1545784679.git.fthain@telegraphics.com.au>
 <22b3299016531a7a05c9c45b36d43565c794e67d.1545784679.git.fthain@telegraphics.com.au>
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>  # All PPC32s use generic nvram driver through ppc_md
> -config GENERIC_NVRAM
> +config HAVE_ARCH_NVRAM_OPS
>  	bool
>  	default y if PPC32

Symbols like this really should be defined in common code, and then
just selected by the users.