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Message-Id: <3d7b86a3-ac70-4459-a6c3-24046e81be0e@app.fastmail.com>
Date: Thu, 26 Jan 2023 16:30:12 +0100
From: "Arnd Bergmann" <arnd@...db.de>
To: "Andy Shevchenko" <andriy.shevchenko@...ux.intel.com>,
"Arnd Bergmann" <arnd@...nel.org>
Cc: "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
"Bartosz Golaszewski" <bartosz.golaszewski@...aro.org>,
"Christophe Leroy" <christophe.leroy@...roup.eu>,
"Dmitry Torokhov" <dmitry.torokhov@...il.com>,
"Linus Walleij" <linus.walleij@...aro.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/8] gpiolib: remove gpio_set_debounce
On Thu, Jan 26, 2023, at 14:50, Andy Shevchenko wrote:
> On Thu, Jan 26, 2023 at 02:27:57PM +0100, Arnd Bergmann wrote:
>> From: Arnd Bergmann <arnd@...db.de>
>>
>> gpio_set_debounce() only has a single user, which is trivially
>> converted to gpiod_set_debounce().
>
> Also need to mention the gpio_cansleep() removal.
Indeed, I think that bit got lost in one of the rebases
after some of the other functions that I originally
removed here are already gone.
I've dropped the gpio_cansleep change for now, we can
revisit this later and possibly drop it at the same
time as gpio_{get,set}_value_cansleep that are still
used in a handful of places that could use gpiod
instead.
> P.S. Fun fact that I was yesterday thinking about the pretty much
> the same change, except intrusive conversion of the user.
>
> ...
>
>> Documentation/driver-api/gpio/legacy.rst | 2 --
>
> Documentation/translations/zh_CN/driver-api/gpio/legacy.rst:222:
> gpio_set_debounce()
> Documentation/translations/zh_TW/gpio.txt:229: gpio_set_debounce()
Fixed.
>> drivers/input/touchscreen/ads7846.c | 24 +++++++++++++-----------
>> include/linux/gpio.h | 22 ----------------------
>
> ...
>
>> #include <linux/of_gpio.h>
>
> Do we need this?
Dropped now.
>> #include <linux/of_device.h>
>> +#include <linux/gpio/consumer.h>
>
>> #include <linux/gpio.h>
>
> And this?
I think we still need both linux/gpio/consumer.h and linux/gpio.h
since there is still a call to devm_gpio_request_one() and
gpio_is_valid().
Arnd
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