linux-kernel - Re: [PATCH v2 2/5] MFD: RK808: Add new mfd driver for RK808

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Message-ID: <53FC5BD1.7030406@rock-chips.com>
Date:	Tue, 26 Aug 2014 18:05:05 +0800
From:	Chris Zhong <zyw@...k-chips.com>
To:	Lee Jones <lee.jones@...aro.org>
CC:	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	sameo@...ux.intel.com, lgirdwood@...il.com, broonie@...nel.org,
	a.zummo@...ertech.it, mturquette@...aro.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	rtc-linux@...glegroups.com, grant.likely@...aro.org,
	hl@...k-chips.com, huangtao@...k-chips.com, cf@...k-chips.com,
	zhangqing@...k-chips.com, xxx@...k-chips.com,
	dianders@...omium.org, heiko@...ech.de, olof@...om.net,
	sonnyrao@...omium.org, dtor@...omium.org,
	javier.martinez@...labora.co.uk, kever.yang@...k-chips.com
Subject: Re: [PATCH v2 2/5] MFD: RK808: Add new mfd driver for RK808


On 08/26/2014 05:22 PM, Lee Jones wrote:
> On Mon, 25 Aug 2014, Chris Zhong wrote:
>> On 08/20/2014 05:21 PM, Lee Jones wrote:
>>> On Wed, 20 Aug 2014, Chris Zhong wrote:
>>>
>>>> The RK808 chip is a power management IC for multimedia and handheld
>>>> devices. It contains the following components:
>>>>
>>>> - Regulators
>>>> - RTC
>>>>
>>>> The rk808 core driver is registered as a platform driver and provides
>>>> communication through I2C with the host device for the different
>>>> components.
>>>>
>>>> Signed-off-by: Chris Zhong <zyw@...k-chips.com>
>>>> ---
> [...]
>
>>>> +	rk808->pdata = pdata;
>>> Remove pdata from 'struct rk808'.  You can obtain it from dev.
>> Can I keep this pdata in rk808, because it is used in the regulator driver.
>> The one obtain from dev maybe empty.
> If the one in dev is empty, you should populate that instead.

So, should I malloc a pada, and assign it to client->dev?



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