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There are only a handful of users of gpio_export() and
related functions.
As these are just wrappers around the modern gpiod_export()
helper, remove the wrappers and open-code the gpio_to_desc
in all callers to shrink the legacy API.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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gpio_set_debounce() only has a single user, which is trivially
converted to gpiod_set_debounce().
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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irq_to_gpio() is legacy and unused API, remove it for good.
This leaves gpio_to_irq() as it's used yet in many places.
Nevertheless, removal of its counterpart is a good signal
to whoever even trying to consider using them that do not.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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gpio_export_link() is legacy and unused API, remove it for good.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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ARCH_NR_GPIOS have been removed, clean up the documentation.
After this patch, the only place when ARCH_NR_GPIOS remains is in
translations/zh_CN/gpio.txt and translations/zh_TW/gpio.txt.
I don't have the skills to update that, anyway those two files are
already out of sync as they are still mentionning ARCH_REQUIRE_GPIOLIB
which was removed by commit 65053e1a7743 ("gpio: delete
ARCH_[WANTS_OPTIONAL|REQUIRE]_GPIOLIB")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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pinctl is not ideal as pinctrl (with an 'r') is much more common. Linus
state that pin-control.rst would be the best name for the documentation.
Link: https://lore.kernel.org/linux-gpio/20210126050817.GA187797@x1/#t
Suggested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Drew Fustini <drew@beagleboard.org>
Link: https://lore.kernel.org/r/20210302053059.1049035-4-drew@beagleboard.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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According to the manpage of poll(2) and also looking at the respective
syscall providing POLLERR in .events is a no-op. So don't recommend
using it.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Move gpio/gpio-legacy.txt to driver-api/gpio/legacy.rst and make sure it
builds cleanly as ReST.
Also move the legacy API reference from index.rst to legacy.rst.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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