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SubjectRE: [PATCH] mfd: pxa-w1: MFD driver for PXA 1wire control + DS1WM chip


>-----Original Message-----
>From: Samuel Ortiz [mailto:sameo@linux.intel.com]
>Sent: 2011年3月14日 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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