openwrt/target/linux/gemini/patches-3.18/050-gpio-to-irq.patch

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--- a/arch/arm/mach-gemini/gpio.c 2015-03-01 10:34:52.492113048 +0100
+++ b/arch/arm/mach-gemini/gpio.c 2015-03-01 10:34:59.876498159 +0100
@@ -196,12 +196,18 @@
return 0;
}
+static int gemini_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ return gpio + GPIO_IRQ_BASE;
+}
+
static struct gpio_chip gemini_gpio_chip = {
.label = "Gemini",
.direction_input = gemini_gpio_direction_input,
.get = gemini_gpio_get,
.direction_output = gemini_gpio_direction_output,
.set = gemini_gpio_set,
+ .to_irq = gemini_gpio_to_irq,
.base = 0,
.ngpio = GPIO_PORT_NUM * 32,
};