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From: Peter Korsgaard <peter@korsgaard.com>
To: "Yang\, Wenyou" <Wenyou.Yang@atmel.com>
Cc: Lee Jones <lee.jones@linaro.org>, Rob Herring <robh+dt@kernel.org>,
        "Pawel Moll" <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>,
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Subject: Re: [PATCH v5 1/2] mfd: act8945a: add Active-semi ACT8945A PMIC MFD driver
References: <1452747845-2962-1-git-send-email-wenyou.yang@atmel.com>
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	<B256D81BAE5131468A838E5D7A243641D63F61F4@penmbx01>
Date: Wed, 20 Jan 2016 08:40:11 +0100
In-Reply-To: <B256D81BAE5131468A838E5D7A243641D63F61F4@penmbx01> (Wenyou
	Yang's message of "Wed, 20 Jan 2016 07:26:56 +0000")
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>>>>> "Yang," == Yang, Wenyou <Wenyou.Yang@atmel.com> writes:

Hi,

>> But the charger driver can just as well do:
 >> 
 >> dev_get_regmap(dev->parent);
 >> 
 >> instead of:
 >> 
 >> dev_get_drvdata(pdev->dev.parent)->regmap.

 > For regulator, it works use the core do dev_get_regmap(dev->parent),
 > but for charger, it need to export *act8945a.

Why?

Just like the regulator core does, your battery driver can do:

dev_get_regmap(dev->parent);

-- 
Venlig hilsen,
Peter Korsgaard