From: Haojian Zhuang <hzhuang1@marvell.com>
To: Samuel Ortiz <sameo@linux.intel.com>
CC: "johnpol@2ka.mipt.ru" <johnpol@2ka.mipt.ru>,
        "a.zummo@towertech.it" <a.zummo@towertech.it>,
        "lrg@slimlogic.co.uk" <lrg@slimlogic.co.uk>,
        "broonie@opensource.wolfsonmicro.com" 
	<broonie@opensource.wolfsonmicro.com>,
        "dmitry.torokhov@gmail.com" <dmitry.torokhov@gmail.com>,
        "dtor@mail.ru" <dtor@mail.ru>, "rpurdie@rpsys.net" <rpurdie@rpsys.net>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Date: Mon, 14 Mar 2011 05:34:08 -0700
Subject: RE: [PATCH] mfd: pxa-w1: MFD driver for PXA 1wire control + DS1WM
 chip
Thread-Topic: [PATCH] mfd: pxa-w1: MFD driver for PXA 1wire control + DS1WM
 chip
Thread-Index: AcviOvmQ6K5EANjdQ22g6tWEQIwe6gACLnrg
Message-ID: <25B60CDC2F704E4E9D88FFD52780CB4C05CEAFFB95@SC-VEXCH1.marvell.com>
References: <1299512600-29047-3-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-4-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-5-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-6-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-7-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-8-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-9-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-10-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-11-git-send-email-haojian.zhuang@marvell.com>
 <1299512600-29047-12-git-send-email-haojian.zhuang@marvell.com>
 <20110314112838.GK31153@sortiz-mobl>
In-Reply-To: <20110314112838.GK31153@sortiz-mobl>
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>-----Original Message-----
>From: Samuel Ortiz [mailto:sameo@linux.intel.com]
>Sent: 2011??3??14?? 7:29 PM
>To: Haojian Zhuang
>Cc: johnpol@2ka.mipt.ru; a.zummo@towertech.it; lrg@slimlogic.co.uk;
>broonie@opensource.wolfsonmicro.com; dmitry.torokhov@gmail.com;
>dtor@mail.ru; rpurdie@rpsys.net; linux-kernel@vger.kernel.org
>Subject: Re: [PATCH] mfd: pxa-w1: MFD driver for PXA 1wire control +
>DS1WM chip
>
>Hi Haojian,
>
>On Mon, Mar 07, 2011 at 11:43:20PM +0800, Haojian Zhuang wrote:
>> This driver provides registers and IRQ of PXA3xx chips to the ds1wm
>driver.
>Why is this an MFD driver ?
>
>Cheers,
>Samuel.
>
>--
>Intel Open Source Technology Centre
>http://oss.intel.com/

Hi Samuel,

Because there's already a DS1WM driver in drivers/w1/masters/ds1wm.c. In PXA silicons, W1 controler is compatible with this driver. So we implement it as MFD driver, like htc-pasic3.c.

Best Regards
Haojian
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