linux-kernel - Re: [PATCH v7 3/5] power: max77843_battery: Add Max77843 fuel gauge device driver

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Date:	Mon, 9 Mar 2015 11:01:38 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Beomho Seo <beomho.seo@...sung.com>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Sebastian Reichel <sre@...nel.org>,
	Jaewon Kim <jaewon02.kim@...sung.com>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-input@...r.kernel.org,
	Inki Dae <inki.dae@...sung.com>,
	SangBae Lee <sangbae90.lee@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: Re: [PATCH v7 3/5] power: max77843_battery: Add Max77843 fuel gauge
 device driver

2015-03-09 1:36 GMT+01:00 Beomho Seo <beomho.seo@...sung.com>:
> On 03/08/2015 05:14 AM, Sebastian Reichel wrote:
>> Hi,
>>
>> On Mon, Mar 02, 2015 at 07:10:36PM +0900, Jaewon Kim wrote:
>>> From: Beomho Seo <beomho.seo@...sung.com>
>>>
>>> This patch adds device driver of max77843 fuel gauge.
>>> The driver support for battery fuel gauge in Maxim Max77843.
>>> It is fuel-gauge systems for lithuum-ion batteries in handled and
>>> portable devices.
>>>
>>> Cc: Sebastian Reichel <sre@...nel.org>
>>> Signed-off-by: Beomho Seo <beomho.seo@...sung.com>
>>
>> Reviewed-By: Sebastian Reichel <sre@...nel.org>
>>
>> I can't take it as is, since it depends on the private header file
>> of PATCH 1.
>>
>> -- Sebastian
>>
>
> This patch reviewed by Sebastian.
> Could you Please merge that your git tree ?

Hi,

Sorry for late response, but I finally got some time to look at this.
This driver looks very similar to max17042_battery.c fuel gauge
driver. Obtaining some properties looks exactly the same. The
difference seems to be in new properties. The I2C address is the same.

I highly recommend to extend the max17042 driver instead. It already
supports also max17047, max17050 and max77693.

Best regards,
Krzysztof
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