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authorJoachim Eastwood <joachim.eastwood@jotron.com>2010-02-10 14:31:41 +0300
committerMike Frysinger <vapier@gentoo.org>2010-03-09 08:30:52 +0300
commit7f4f69f991146fa976cbc914a50285b2afc0ad93 (patch)
tree3cbcc6cdf3e433e2be68278b51a22aa7be9f9773 /arch/blackfin/kernel
parentf8e6dbffa7a6cb3da3bcaf1fde3039896e1ac764 (diff)
downloadlinux-7f4f69f991146fa976cbc914a50285b2afc0ad93.tar.xz
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>
Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r--arch/blackfin/kernel/bfin_gpio.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 0dd9cf913503..6dcb344001f0 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -1319,6 +1319,11 @@ void bfin_gpiolib_gpio_free(struct gpio_chip *chip, unsigned gpio)
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 @@ static struct gpio_chip bfin_chip = {
.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,
};