drivers: gpio: gecko: add check for interrupt configuration (13e152a5) · Commits · Wenxi XU / zephyr

Add a check for interrupt configuration: if the interrupt line for the pin is already enabled but for the same port that the user asked, it should not return EBUSY. Signed-off-by:

Martin Hoff <martin.hoff@silabs.com>

drivers/gpio/gpio_gecko.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -292,11 +292,11 @@ static int gpio_gecko_pin_interrupt_configure(const struct device *dev,
		} else {
		/* Interrupt line is already in use */
		if ((GPIO->IEN & BIT(pin)) != 0) {
		/* TODO: Return an error only if request is done for
		* a pin from a different port.
		*/
		/* Check if the interrupt is already configured for this port */
		if (!(data->int_enabled_mask & BIT(pin))) {
		return -EBUSY;
		}
		}

		bool rising_edge = true;
		bool falling_edge = true;

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