From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1756333Ab2BAM4v (ORCPT <rfc822;w@1wt.eu>);
	Wed, 1 Feb 2012 07:56:51 -0500
Received: from cassiel.sirena.org.uk ([80.68.93.111]:52745 "EHLO
	cassiel.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1754238Ab2BAM4u (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 1 Feb 2012 07:56:50 -0500
Date: Wed, 1 Feb 2012 12:56:42 +0000
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Barry Song <21cnbao@gmail.com>
Cc: Wolfram Sang <w.sang@pengutronix.de>,
        Linus Walleij <linus.walleij@linaro.org>,
        Greg Kroah-Hartman <gregkh@suse.de>, linux-kernel@vger.kernel.org,
        workgroup.linux@csr.com, Grant Likely <grant.likely@secretlab.ca>,
        linux-mtd@lists.infradead.org, Atsushi Nemoto <anemo@mba.ocn.ne.jp>,
        Barry Song <Baohua.Song@csr.com>,
        David Woodhouse <dwmw2@infradead.org>,
        Erik Gilling <konkers@google.com>, Barry Song <Barry.Song@csr.com>
Subject: Re: [PATCH 1/3] platform: add common resource requesting and
 mapping helper
Message-ID: <20120201125642.GC13723@sirena.org.uk>
References: <1328004002-24646-1-git-send-email-Barry.Song@csr.com>
 <1328004002-24646-2-git-send-email-Barry.Song@csr.com>
 <20120131101734.GE2471@pengutronix.de>
 <CAGsJ_4wyJ6Wymy4AWoW1eHubZX=W7GT_Fbow9ofXoY1RrcHzgA@mail.gmail.com>
 <20120131113358.GM2471@pengutronix.de>
 <20120131203455.GG22611@ponder.secretlab.ca>
 <20120131211554.GA28105@pengutronix.de>
 <CAGsJ_4yJZYHUzr9YerdM5o8grGd6iP51ra4nJkMuOo5Khn95RQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CAGsJ_4yJZYHUzr9YerdM5o8grGd6iP51ra4nJkMuOo5Khn95RQ@mail.gmail.com>
X-Cookie: The future lies ahead.
User-Agent: Mutt/1.5.20 (2009-06-14)
X-SA-Exim-Connect-IP: <locally generated>
X-SA-Exim-Mail-From: broonie@sirena.org.uk
X-SA-Exim-Scanned: No (on cassiel.sirena.org.uk); SAEximRunCond expanded to false
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Feb 01, 2012 at 10:11:10AM +0800, Barry Song wrote:

> i think it makes sense for us to have platform_devm_request_irq() and
> similar things. i'll take care.

Note that this one is more tricky than most as it's really important
that the interrupt handler can't be called when the data it needs and so
on have been freed.  With things like memory this really doesn't matter
and you can happily free in any order.