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Documentation: gpio: Remove text about ARCH_NR_GPIOS

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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 65053e1a77 ("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>
This commit is contained in:
Christophe Leroy 2022-09-02 14:42:06 +02:00 committed by Bartosz Golaszewski
parent 7b61212f2a
commit f2b470f036
1 changed files with 0 additions and 5 deletions
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5
Documentation/driver-api/gpio/legacy.rst
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@ -558,11 +558,6 @@ Platform Support
To force-enable this framework, a platform's Kconfig will "select" GPIOLIB,
else it is up to the user to configure support for GPIO.
It may also provide a custom value for ARCH_NR_GPIOS, so that it better
reflects the number of GPIOs in actual use on that platform, without
wasting static table space. (It should count both built-in/SoC GPIOs and
also ones on GPIO expanders.
If neither of these options are selected, the platform does not support
GPIOs through GPIO-lib and the code cannot be enabled by the user.