linux-kernel - Re: [PATCH] extcon: palmas: Fix build break due to devm_gpiod_get

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Date:	Thu, 13 Aug 2015 10:26:02 +0300
From:	Roger Quadros <rogerq@...com>
To:	Chanwoo Choi <cw00.choi@...sung.com>
CC:	<linux-kernel@...r.kernel.org>, <sfr@...b.auug.org.au>,
	<u.kleine-koenig@...gutronix.de>, <jim.epost@...il.com>
Subject: Re: [PATCH] extcon: palmas: Fix build break due to devm_gpiod_get_optional
 API change

On 13/08/15 10:24, Chanwoo Choi wrote:
> 
> On 08/13/2015 04:06 PM, Roger Quadros wrote:
>> Hi Chanwoo,
>>
>> On 13/08/15 03:29, Chanwoo Choi wrote:
>>> Commit b17d1bf16cc7 ("gpio: make flags mandatory for gpiod_get functions")
>>> changes the prototype of devm_gpiod_get_optional() API which should include
>>> the falgs mandatory.
>>
>> s/falgs/flags
>>
>>>
>>> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
>>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>>> ---
>>>  drivers/extcon/extcon-palmas.c | 3 ++-
>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
>>> index 662e91778cb0..308928d44ead 100644
>>> --- a/drivers/extcon/extcon-palmas.c
>>> +++ b/drivers/extcon/extcon-palmas.c
>>> @@ -208,7 +208,8 @@ static int palmas_usb_probe(struct platform_device *pdev)
>>>  			palmas_usb->wakeup = pdata->wakeup;
>>>  	}
>>>  
>>> -	palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id");
>>> +	palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id",
>>> +							GPIOD_IN);
>>>  	if (IS_ERR(palmas_usb->id_gpiod)) {
>>>  		dev_err(&pdev->dev, "failed to get id gpio\n");
>>>  		return PTR_ERR(palmas_usb->id_gpiod);
>>>
>>
>> Can you please include the following headers in this patch?
>>
>> #include <linux/gpio.h>
>> #include <linux/gpio/consumer.h>
> 
> I think that extcon-palmas need only "#include <linux/gpio/consumer.h>"
> because of of_gpio.h file already include the gpio.h.

OK with me.

cheers,
-roger
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