linux-kernel - RE: [PATCH] regmap: add virtual PMIC IPC bus support

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Date:	Tue, 19 May 2015 04:57:00 +0000
From:	"Zha, Qipeng" <qipeng.zha@...el.com>
To:	Mark Brown <broonie@...nel.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Yang, Fei" <fei.yang@...el.com>,
	"Zhong, Huiquan" <huiquan.zhong@...el.com>,
	"Chen, Jason CJ" <jason.cj.chen@...el.com>,
	"Zheng, Qi" <qi.zheng@...el.com>
Subject: RE: [PATCH] regmap: add virtual PMIC IPC bus support

Hi

>Why is this being added to the regmap core rather than being implemented
>in using the reg_write() and reg_read() callbacks in the core driver for
>the PMIC?

Thanks. I don't receive this message before in eamil.
Current regmap only support register access  using several bus:  i2c, spi, ac97 ...
But register access for intel pmic are done by hardware ipc, so we add such support in regmap core,
To make pmic subdevice drivers can use generic regmap r/w API to access registers.

 
Best wishes
Qipeng

-----Original Message-----
From: Mark Brown [mailto:broonie@...nel.org] 
Sent: Monday, May 18, 2015 7:21 PM
To: Zha, Qipeng
Cc: linux-kernel@...r.kernel.org; Yang, Fei; Zhong, Huiquan; Chen, Jason CJ; Zheng, Qi
Subject: Re: [PATCH] regmap: add virtual PMIC IPC bus support

On Mon, May 18, 2015 at 08:10:04AM +0000, Zha, Qipeng wrote:
> Hi Broonie
> 
> Can you help comment on this patch ?
> We do really want to leverage current regmap framework to acess intel pmic devices.
> So please evaluate this driver, thanks.

Please don't send contentless pings, and please refer to my original response to one of the copies you sent:

https://lkml.org/lkml/2015/4/20/425
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