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SubjectRe: [PATCH v2] extcon: gpio: Add the support for Device tree bindings
On 2015년 10월 05일 17:03, MyungJoo Ham wrote:
>>
>> This patch adds the support for Device tree bindings of extcon-gpio driver.
>> The extcon-gpio device tree node must include the both 'extcon-id' and
>> 'extcon-gpio' property.
>>
> []
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
>
>
> Except for some beautification issues described below,
>
> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
>
>> ---
>> This patch is based on following patch[1].
>> [1] https://lkml.org/lkml/2015/10/3/304
>>
>> Changes from v1:
>> - Create the include/dt-bindings/extcon/extcon.h including the identification
>> of external connector. These definitions are used in dts file.
>> - Fix error if CONFIG_OF is disabled.
>>
>> .../devicetree/bindings/extcon/extcon-gpio.txt | 38 +++++++
>> drivers/extcon/extcon-gpio.c | 110 ++++++++++++++++-----
>> include/dt-bindings/extcon/extcon.h | 44 +++++++++
>> include/linux/extcon/extcon-gpio.h | 6 +-
>> 4 files changed, 173 insertions(+), 25 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/extcon/extcon-gpio.txt
>> create mode 100644 include/dt-bindings/extcon/extcon.h
>>
>> diff --git a/Documentation/devicetree/bindings/extcon/extcon-gpio.txt b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt
>> new file mode 100644
>> index 000000000000..70c36f729963
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt
> []
>> diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c
>> index 279ff8f6637d..7f3e24aae0c4 100644
>> --- a/drivers/extcon/extcon-gpio.c
>> +++ b/drivers/extcon/extcon-gpio.c
>> @@ -1,8 +1,8 @@
>> /*
>> * extcon_gpio.c - Single-state GPIO extcon driver based on extcon class
>> *
>> - * Copyright (C) 2008 Google, Inc.
>> - * Author: Mike Lockwood <lockwood@android.com>
>> + * Copyright (C) 2015 Chanwoo Choi <cw00.choi@samsung.com>, Samsung Electronics
>> + * Copyright (C) 2008 Mike Lockwood <lockwood@android.com>, Google, Inc.
>> *
>> * Modified by MyungJoo Ham <myungjoo.ham@samsung.com> to support extcon
>> * (originally switch class is supported)
>
> Let's make it in chronological order.
> (may need to "beautify the last two lines as well)
>
> I.e., 2008-->2012-->2015 or 2015-->2012-->2008.
> Not 2015-->2008-->2012

OK. I'll modify it.

>
>
>> @@ -26,12 +26,14 @@
> []
>> diff --git a/include/dt-bindings/extcon/extcon.h b/include/dt-bindings/extcon/extcon.h
>> new file mode 100644
>> index 000000000000..14c7f36b2206
>> --- /dev/null
>> +++ b/include/dt-bindings/extcon/extcon.h
> []
>> diff --git a/include/linux/extcon/extcon-gpio.h b/include/linux/extcon/extcon-gpio.h
>> index 7cacafb78b09..bcc6d7f7116a 100644
>> --- a/include/linux/extcon/extcon-gpio.h
>> +++ b/include/linux/extcon/extcon-gpio.h
> []
>> @@ -38,7 +38,7 @@ struct gpio_extcon_pdata {
>> unsigned int extcon_id;
>> unsigned gpio;
>> bool gpio_active_low;
>> - unsigned long debounce;
>> + unsigned int debounce;
>
> What about u32, making it more clear?
> ( > + device_property_read_u32(dev, "debounce-ms", &pdata->debounce); )

OK.

Thanks,
Chanwoo Choi



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