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Date: Fri, 30 Dec 2016 06:12:49 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Tejun Heo <tj@kernel.org>, Geert Uytterhoeven <geert@linux-m68k.org>,
        Michael Schmitz <schmitzmic@gmail.com>, linux-ide@vger.kernel.org,
        linux-m68k@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] ata: allow subsystem to be used on m68k arch
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On Fri, Dec 30, 2016 at 03:01:16PM +0100, Bartlomiej Zolnierkiewicz wrote:
> When libata was merged m68k lacked IOMAP support.  This has not been
> true for a long time now so allow subsystem to be used on m68k.

Is that dependency needed at all anymore?  What exact functionality
is missing on m32r and s390?