linux-kernel - Re: [PATCH 1/3] power: core: Add generic interface to get battery specification.

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Date:	Mon, 10 Nov 2014 10:10:54 +0900
From:	jonghwa3.lee@...sung.com
To:	"Tc, Jenny" <jenny.tc@...el.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"sre@...nel.org" <sre@...nel.org>,
	"dbaryshkov@...il.com" <dbaryshkov@...il.com>,
	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"anton@...msg.org" <anton@...msg.org>,
	"pavel@....cz" <pavel@....cz>
Subject: Re: [PATCH 1/3] power: core: Add generic interface to get battery
 specification.

On 2014년 11월 08일 19:13, Tc, Jenny wrote:

>> +ATOMIC_NOTIFIER_HEAD(psy_battery_info_notifier);
> 
>  Isn't it good to reuse the existing power_supply_notifier for this?
> 
>> +enum battery_info_notifier_events {
>> +	PSY_BATT_INFO_REGISTERED,
>> +	PSY_BATT_INFO_UNREGISTERED,
>> +};
> 
> If we use the power_supply_notifier, then this can be moved to
> enum power_supply_notifier_events
> 


It doesn't use power_supply_notifier, rather than it uses newly introduced
notifier for battery information. Intention of making of new notifier block here
is to extinguish event from power_supply_changed which might be noisy for
battery information consumer. However, If it looks wasteful code, it's not a big
deal to use existed power_supply_notifier.

Thanks,
Jonghwa

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