linux-kernel - Re: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap

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Message-ID: <20140717091601.GF25880@mwanda>
Date:	Thu, 17 Jul 2014 12:16:02 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Chen Gang <gang.chen.5i5j@...il.com>
Cc:	Thierry Reding <thierry.reding@...il.com>,
	linux-iio@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>, teg@...m.no,
	Lennox Wu <lennox.wu@...il.com>, Marek Vasut <marex@...x.de>,
	Liqin Chen <liqin.linux@...il.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Richard Weinberger <richard@....at>,
	Geert Uytterhoeven <geert@...ux-m68k.org>, msalter@...hat.com,
	Guenter Roeck <linux@...ck-us.net>, linux-pwm@...r.kernel.org,
	devel@...verdev.osuosl.org, linux-watchdog@...r.kernel.org,
	arnd@...db.de, linux-input@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	dmitry.torokhov@...il.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	knaack.h@....de, Martin Schwidefsky <schwidefsky@...ibm.com>,
	Mischa.Jonker@...opsys.com, jic23@...nel.org
Subject: Re: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for
 'devm_ioremap_resource'

On Thu, Jul 17, 2014 at 04:59:09PM +0800, Chen Gang wrote:
> >> +	return (__force void __iomem *)ERR_PTR(-ENXIO);
> > 
> > There's apparently an IOMEM_ERR_PTR() for this nowadays...
> > 
> 
> IOMEM_ERR_PTR() is defined within "lib/devres.c", not in "./include".
> But may we move it from "lib/devres.c" to "./include/linux/err.h"?
> 
> For me, I am not quite sure, it may need additional discussion, but at
> least, that will be another patch.

Yes.  Move it there.  That is the right place.

regards,
dan carpenter

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