linux-kernel - Re: [RFC PATCH 6/9] gpiolib: add API to get gpio desc and flags

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Message-ID: <53F1A831.4090309@intel.com>
Date:	Mon, 18 Aug 2014 15:16:01 +0800
From:	Aaron Lu <aaron.lu@...el.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Darren Hart <dvhart@...ux.intel.com>,
	Grant Likely <grant.likely@...retlab.ca>
CC:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Max Eliaser <max.eliaser@...el.com>,
	linux-acpi@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 6/9] gpiolib: add API to get gpio desc and flags

On 08/18/2014 12:57 PM, Rafael J. Wysocki wrote:
> On Sunday, August 17, 2014 12:43:38 PM Darren Hart wrote:
>> On 8/17/14, 6:00, "Grant Likely" <grant.likely@...retlab.ca> wrote:
>>
>>>>
>>>> +	/* Using device tree? */
>>>> +	if (IS_ENABLED(CONFIG_OF) && dev->of_node)
>>>> +		desc = of_find_gpio(dev, NULL, idx, flags);
>>>
>>> of_find_gpio() doesn't exist.
>>
>> Hrm... As of 3.16.0 (e64df3ebe8262c8203d1fe4f541e0241c3112c01)
>>
>> $ git blame -L1455,1456 drivers/gpio/gpiolib.c
>> bae48da2 (Alexandre Courbot 2013-10-17 10:21:38 -0700 1455) static struct
>> gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
>>
>> Have we removed this in -next or something? (on the plane, will verify
>> upon landing)
> 
> In 3.17-rc1:
> 
> rafael@...tro:~/src/linux-pm> grep -r of_find_gpio *
> drivers/gpio/gpiolib.c:static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
> drivers/gpio/gpiolib.c:         desc = of_find_gpio(dev, con_id, idx, &lookupflags);

I also verified the following branch:
git://git.secretlab.ca/git/linux devicetree/next
And of_find_gpio is there.

Regards,
Aaron
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