[riot-notifications] [RIOT-OS/RIOT] periph/gpio: support for extension API (part 2) (#9958)

Gunar Schorcht notifications at github.com
Sat Nov 24 19:30:00 CET 2018

gschorcht commented on this pull request.

> @@ -152,6 +152,12 @@ ifneq (,$(filter fxos8700,$(USEMODULE)))
   FEATURES_REQUIRED += periph_i2c
+ifneq (,$(filter extend_gpio,$(USEMODULE)))
+  FEATURES_REQUIRED += periph_gpio
+  FEATURES_REQUIRED += periph_gpio_irq

Is it really necessary to always use the `periph_gpio_irq` module? IMHO, it should be the other way around. That is, the interrupt-related parts of the API should only be activated if the module `periph_gpio_irq` is used by someone.

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