Blackfin: GPIO: implement to_irq handler
This makes it possible to support IRQs coming from off-chip GPIO
controllers.
Signed-off-by: Joachim Eastwood <joachim.eastwood@jotron.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 0dd9cf9..6dcb344 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -1319,6 +1319,11 @@
return bfin_gpio_free(gpio);
}
+int bfin_gpiolib_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ return gpio + GPIO_IRQ_BASE;
+}
+
static struct gpio_chip bfin_chip = {
.label = "BFIN-GPIO",
.direction_input = bfin_gpiolib_direction_input,
@@ -1327,6 +1332,7 @@
.set = bfin_gpiolib_set_value,
.request = bfin_gpiolib_gpio_request,
.free = bfin_gpiolib_gpio_free,
+ .to_irq = bfin_gpiolib_gpio_to_irq,
.base = 0,
.ngpio = MAX_BLACKFIN_GPIOS,
};
