linux-kernel - Re: [PATCH 18/57] power: Add sysfs interfaces for capacity

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Date:	Fri, 28 Sep 2012 12:26:08 -0600
From:	Mathieu Poirier <mathieu.poirier@...aro.org>
To:	Anton Vorontsov <anton.vorontsov@...aro.org>
CC:	linux-kernel@...r.kernel.org, dwmw2@...radead.org
Subject: Re: [PATCH 18/57] power: Add sysfs interfaces for capacity

On 12-09-27 01:08 AM, Anton Vorontsov wrote:
> On Tue, Sep 25, 2012 at 10:12:15AM -0600, mathieu.poirier@...aro.org wrote:
>> From: Daniel WILLERUD <daniel.willerud@...ricsson.com>
>>
>> Switchable depending on whether capacity scaling is enabled
>>
>> Signed-off-by: Marcus Cooper <marcus.xm.cooper@...ricsson.com>
>> Signed-off-by: Daniel WILLERUD <daniel.willerud@...ricsson.com>
>> Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
>> Reviewed-by: Jonas ABERG <jonas.aberg@...ricsson.com>
>> ---
>>  drivers/power/ab8500_fg.c |   57 ++++++++++++++++++++++++++++++++++++++++++++-
>>  1 files changed, 56 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c
>> index 8507254..46010ec 100644
>> --- a/drivers/power/ab8500_fg.c
>> +++ b/drivers/power/ab8500_fg.c
>> @@ -266,7 +266,6 @@ static enum power_supply_property ab8500_fg_props[] = {
>>  	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
>>  	POWER_SUPPLY_PROP_CHARGE_FULL,
>>  	POWER_SUPPLY_PROP_CHARGE_NOW,
>> -	POWER_SUPPLY_PROP_CAPACITY,
> [...]
>> +static struct device_attribute ab8500_fg_sysfs_psy_attrs[] = {
>> +	__ATTR(capacity, S_IRUGO, ab8500_show_capacity, NULL),
>> +};
> 
> I don't understand the rationale behind this patch. Why remove normal
> power supply property, and make your own with the same name? Something
> isn't right...

The similarity in the naming convention it a coincidence here.  In one
case it's a enum and the other sysfs attribute.  Could you expand on
your suspicions ?

> 

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