linux-kernel - Re: [PATCH] lib/devres.c: allow specifying NO

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Message-Id: <201112051514.02360.arnd@arndb.de>
Date:	Mon, 5 Dec 2011 15:14:02 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Chris Metcalf <cmetcalf@...era.com>
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-arch@...r.kernel.org, Rolf Eike Beer <eike-kernel@...tec.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Maxin B. John" <maxin.john@...il.com>, Tejun Heo <tj@...nel.org>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	Paul Mundt <lethal@...ux-sh.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"David S. Miller" <davem@...emloft.net>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH] lib/devres.c: allow specifying NO_IOPORT while using PCI

On Friday 02 December 2011, Chris Metcalf wrote:
> The specific issue I saw was calls to pcim_iomap_{regions,table} from
> drivers/ata/libata-sff.c and drivers/ata/sata_sil24.c; we use the
> sata_sil24 in one of our platforms (TILEmpower).

Hmm, so sata_sil24 does not actually use PIO, so we can probably find a
way to make that work. Why do you have to build libata-sff? Shouldn't
that only be needed if you actually have an sff-type controller?

	Arnd
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