Revert "gpio/omap: auto request GPIO as input if used as IRQ via DT"

This reverts commit b4419e1a.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-omap.c

@@ -1090,8 +1090,6 @@ static int omap_gpio_irq_map(struct irq_domain *d, unsigned int virq,
 			     irq_hw_number_t hwirq)
 {
 	struct gpio_bank *bank = d->host_data;
-	int gpio;
-	int ret;
 
 	if (!bank)
 		return -EINVAL;
@@ -1106,22 +1104,6 @@ static int omap_gpio_irq_map(struct irq_domain *d, unsigned int virq,
 		set_irq_flags(virq, IRQF_VALID);
 	}
 
-	/*
-	 * REVISIT most GPIO IRQ chip drivers need to call
-	 * gpio_request() before a GPIO line can be used as an
-	 * IRQ. Ideally this should be handled by the IRQ core
-	 * but until then this has to be done on a per driver
-	 * basis. Remove this once this is managed by the core.
-	 */
-	if (bank->chip.of_node) {
-		gpio = irq_to_gpio(bank, hwirq);
-		ret = gpio_request_one(gpio, GPIOF_IN, NULL);
-		if (ret) {
-			dev_err(bank->dev, "Could not request GPIO%d\n", gpio);
-			return ret;
-		}
-	}
-
 	return 0;
 }