linux-kernel - Re: [PATCH] extcon: Set parent device of extcon device using prameter of devm_extcon_dev

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Date:	Fri, 30 May 2014 18:49:03 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org, myungjoo.ham@...sung.com,
	kyungmin.park@...sung.com, Mark Brown <broonie@...nel.org>,
	Graeme Gregory <gg@...mlogic.co.uk>,
	Kishon Vijay Abraham I <kishon@...com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Subject: Re: [PATCH] extcon: Set parent device of extcon device using	prameter
 of devm_extcon_dev_allocate

Hi Charles,

On 05/30/2014 06:36 PM, Charles Keepax wrote:
> On Fri, May 30, 2014 at 10:41:39AM +0900, Chanwoo Choi wrote:
>> This patch set the parent device of extcon device using first parameter of
>> devm_extco_dev_allocate() to remove duplicate code on all of extcon provider
>> drivers.
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>> Reported-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
>> Cc: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
>> Cc: Mark Brown <broonie@...nel.org>
>> Cc: Graeme Gregory <gg@...mlogic.co.uk>
>> Cc: Kishon Vijay Abraham I <kishon@...com>
>> Cc: Krzysztof Kozlowski <k.kozlowski@...sung.com>
>> ---
>>  drivers/extcon/extcon-adc-jack.c | 1 -
>>  drivers/extcon/extcon-arizona.c  | 1 -
>>  drivers/extcon/extcon-class.c    | 2 ++
>>  drivers/extcon/extcon-gpio.c     | 1 -
>>  drivers/extcon/extcon-max77693.c | 1 -
>>  drivers/extcon/extcon-max8997.c  | 1 -
>>  drivers/extcon/extcon-palmas.c   | 1 -
>>  7 files changed, 2 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
>> index e18f95b..d860229 100644
>> --- a/drivers/extcon/extcon-adc-jack.c
>> +++ b/drivers/extcon/extcon-adc-jack.c
>> @@ -112,7 +112,6 @@ static int adc_jack_probe(struct platform_device *pdev)
>>  		dev_err(&pdev->dev, "failed to allocate extcon device\n");
>>  		return -ENOMEM;
>>  	}
>> -	data->edev->dev.parent = &pdev->dev;
>>  	data->edev->name = pdata->name;
>>  
>>  	/* Check the length of array and set num_cables */
>> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
>> index c634796..d9bd3c3 100644
>> --- a/drivers/extcon/extcon-arizona.c
>> +++ b/drivers/extcon/extcon-arizona.c
>> @@ -1165,7 +1165,6 @@ static int arizona_extcon_probe(struct platform_device *pdev)
>>  		return -ENOMEM;
>>  	}
>>  	info->edev->name = "Headset Jack";
>> -	info->edev->dev.parent = arizona->dev;
>>  
>>  	ret = devm_extcon_dev_register(&pdev->dev, info->edev);
> 
> This changes the parent device for the Arizona stuff, I don't
> think this is a problem but I should probably test here first.

OK, Let me know about test result.

Thanks,
Chanwoo Choi


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