linux-kernel - Re: [RFC PATCH 0/4] power_supply: Add DT helper function to get power-supply dev from dt

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Date:	Tue, 18 Mar 2014 01:38:18 +0100
From:	sre@...g0.de
To:	Chanwoo Choi <cw00.choi@...sung.com>
Cc:	dbaryshkov@...il.com, dwmw2@...radead.org,
	myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/4] power_supply: Add DT helper function to get
 power-supply dev from dt

Hi,

On Mon, Mar 17, 2014 at 09:43:43PM +0900, Chanwoo Choi wrote:
> This patchset add DT helper function to get power-supply device from devicetree.
> - of_power_supply_get_dev(struct device *dev, enum power_supply_dev_type type,
> 			  int index)
> Power-supply class provides 'power_supply_get_by_name()' to users who want to
> find power-supply device with the name of power-supply device.
> 
> If CONFIG_OF is enabled, device drivers which want to get power-supply device
> would directly get the power-supply device from devicetree by using of_power_
> supply_get_dev(). This function can be used instead of power_supply_get_by_name().
> 
> For example,
> [...]

include/linux/power_supply.h provides the following function already:

struct power_supply *
power_supply_get_by_phandle(struct device_node *np, const char *property);

-- Sebastian

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