RE: [PATCH] mfd: pxa-w1: MFD driver for PXA 1wire control + DS1WMchip

[Haojian Zhuang]

>-----Original Message-----
>From: Samuel Ortiz [mailto:sameo@xxxxxxxxxxxxxxx]
>Sent: 2011年3月14日 7:29 PM
>To: Haojian Zhuang
>Cc: johnpol@xxxxxxxxxxx; a.zummo@xxxxxxxxxxxx; lrg@xxxxxxxxxxxxxxx;
>broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx; dmitry.torokhov@xxxxxxxxx;
>dtor@xxxxxxx; rpurdie@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
>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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