From: Chanwoo Choi <cwchoi00@gmail.com>
To: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Cc: Lee Jones <lee.jones@linaro.org>,
"myungjoo.ham@samsung.com" <myungjoo.ham@samsung.com>,
Samuel Ortiz <sameo@linux.intel.com>,
devicetree <devicetree@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
patches@opensource.wolfsonmicro.com
Subject: Re: [PATCH v2 3/5] extcon: arizona: Convert to gpiod
Date: Fri, 19 Jun 2015 17:39:22 +0900 [thread overview]
Message-ID: <CAGTfZH3USsR5AVQn2UMBH_y-25nsXBw3cdjBLbEiRWJu7Q+Tsg@mail.gmail.com> (raw)
In-Reply-To: <20150619081433.GR32730@opensource.wolfsonmicro.com>
On Fri, Jun 19, 2015 at 5:14 PM, Charles Keepax
<ckeepax@opensource.wolfsonmicro.com> wrote:
> On Fri, Jun 19, 2015 at 11:36:47AM +0900, Chanwoo Choi wrote:
>> Hi Charles,
>>
>> On Thu, Jun 18, 2015 at 11:43 PM, Charles Keepax
>> <ckeepax@opensource.wolfsonmicro.com> wrote:
>> > Convert to using the newer gpiod interface for the micd_pol_gpio.
>> > Although we still carry support for the old gpio interface from pdata.
>> >
>> > Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
>> > ---
>> > + mode = GPIOD_OUT_HIGH;
>> > + else
>> > + mode = GPIOD_OUT_LOW;
>> > +
>> > + info->micd_pol_gpio = gpiod_get_optional(arizona->dev,
>> > + "wlf,micd-pol",
>> > + GPIOD_OUT_LOW);
>>
>> You can use the devm_gpiod_get_optional() to manage the system
>> resource automatically.
>>
>
> We can't actually use the devm call here, we need to pass
> arizona->dev as that is where the DT will reside, which is the
> device for the MFD. But if the devm is attached to the device for
> the MFD then it will not clear up when the extcon driver is
> unloaded. As such we have to do the put manually.
>
> I will look at respinning for the other comments.
I don't understand. extcon-arizona.c used already following devm_* functions:
- devm_kzalloc()
- devm_regulator_get()
- devm_extcon_dev_*()
- devm_input_allocate_device()
- devm_gpio_request_one()
Thanks,
Chanwoo Choi
WARNING: multiple messages have this Message-ID (diff)
From: Chanwoo Choi <cwchoi00-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Charles Keepax
<ckeepax-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
Cc: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"myungjoo.ham-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org"
<myungjoo.ham-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
Samuel Ortiz <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
patches-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org
Subject: Re: [PATCH v2 3/5] extcon: arizona: Convert to gpiod
Date: Fri, 19 Jun 2015 17:39:22 +0900 [thread overview]
Message-ID: <CAGTfZH3USsR5AVQn2UMBH_y-25nsXBw3cdjBLbEiRWJu7Q+Tsg@mail.gmail.com> (raw)
In-Reply-To: <20150619081433.GR32730-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
On Fri, Jun 19, 2015 at 5:14 PM, Charles Keepax
<ckeepax-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org> wrote:
> On Fri, Jun 19, 2015 at 11:36:47AM +0900, Chanwoo Choi wrote:
>> Hi Charles,
>>
>> On Thu, Jun 18, 2015 at 11:43 PM, Charles Keepax
>> <ckeepax-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org> wrote:
>> > Convert to using the newer gpiod interface for the micd_pol_gpio.
>> > Although we still carry support for the old gpio interface from pdata.
>> >
>> > Signed-off-by: Charles Keepax <ckeepax-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
>> > ---
>> > + mode = GPIOD_OUT_HIGH;
>> > + else
>> > + mode = GPIOD_OUT_LOW;
>> > +
>> > + info->micd_pol_gpio = gpiod_get_optional(arizona->dev,
>> > + "wlf,micd-pol",
>> > + GPIOD_OUT_LOW);
>>
>> You can use the devm_gpiod_get_optional() to manage the system
>> resource automatically.
>>
>
> We can't actually use the devm call here, we need to pass
> arizona->dev as that is where the DT will reside, which is the
> device for the MFD. But if the devm is attached to the device for
> the MFD then it will not clear up when the extcon driver is
> unloaded. As such we have to do the put manually.
>
> I will look at respinning for the other comments.
I don't understand. extcon-arizona.c used already following devm_* functions:
- devm_kzalloc()
- devm_regulator_get()
- devm_extcon_dev_*()
- devm_input_allocate_device()
- devm_gpio_request_one()
Thanks,
Chanwoo Choi
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next prev parent reply other threads:[~2015-06-19 8:39 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-18 14:43 [PATCH v2 0/5] Add basic microphone detection bindings Charles Keepax
2015-06-18 14:43 ` Charles Keepax
2015-06-18 14:43 ` [PATCH v2 1/5] extcon: arizona: Update to use the new device properties API Charles Keepax
2015-06-18 14:43 ` Charles Keepax
2015-06-19 2:14 ` Chanwoo Choi
2015-06-19 2:14 ` Chanwoo Choi
2015-06-18 14:43 ` [PATCH v2 2/5] extcon: arizona: Add basic microphone detection DT/ACPI bindings Charles Keepax
2015-06-18 14:43 ` Charles Keepax
2015-06-19 2:25 ` Chanwoo Choi
2015-06-19 2:25 ` Chanwoo Choi
2015-06-19 8:17 ` Charles Keepax
2015-06-19 8:17 ` Charles Keepax
2015-06-19 8:28 ` Chanwoo Choi
2015-06-19 8:28 ` Chanwoo Choi
2015-06-19 9:08 ` Charles Keepax
2015-06-19 9:08 ` Charles Keepax
2015-06-19 10:31 ` Chanwoo Choi
2015-06-19 10:44 ` Charles Keepax
2015-06-19 10:44 ` Charles Keepax
2015-06-19 11:03 ` Chanwoo Choi
2015-06-19 11:03 ` Chanwoo Choi
2015-06-19 11:59 ` Charles Keepax
2015-06-19 11:59 ` Charles Keepax
2015-06-18 14:43 ` [PATCH v2 3/5] extcon: arizona: Convert to gpiod Charles Keepax
2015-06-19 2:36 ` Chanwoo Choi
2015-06-19 8:14 ` Charles Keepax
2015-06-19 8:14 ` Charles Keepax
2015-06-19 8:39 ` Chanwoo Choi [this message]
2015-06-19 8:39 ` Chanwoo Choi
2015-06-19 9:13 ` Charles Keepax
2015-06-19 9:50 ` Chanwoo Choi
2015-06-19 9:54 ` Charles Keepax
2015-06-19 9:54 ` Charles Keepax
2015-06-18 14:43 ` [PATCH v2 4/5] mfd: arizona: Update DT doc for new mic detection bindings Charles Keepax
2015-06-18 14:43 ` [PATCH v2 5/5] mfd: arizona: Update several pdata members to unsigned Charles Keepax
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