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/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 539468a..91bd2d7b 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -70,6 +70,8 @@
#ifndef __ASSEMBLY__
+#include <linux/compiler.h>
+
/***********************************************************
*
* FUNCTIONS: Blackfin General Purpose Ports Access Functions
@@ -223,6 +225,9 @@
int bfin_gpio_get_value(unsigned gpio);
void bfin_gpio_set_value(unsigned gpio, int value);
+#include <asm/irq.h>
+#include <asm/errno.h>
+
#ifdef CONFIG_GPIOLIB
#include <asm-generic/gpio.h> /* cansleep wrappers */
@@ -247,6 +252,11 @@
return __gpio_cansleep(gpio);
}
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return __gpio_to_irq(gpio);
+}
+
#else /* !CONFIG_GPIOLIB */
static inline int gpio_request(unsigned gpio, const char *label)
@@ -279,10 +289,6 @@
return bfin_gpio_set_value(gpio, value);
}
-#include <asm-generic/gpio.h> /* cansleep wrappers */
-#endif /* !CONFIG_GPIOLIB */
-#include <asm/irq.h>
-
static inline int gpio_to_irq(unsigned gpio)
{
if (likely(gpio < MAX_BLACKFIN_GPIOS))
@@ -291,6 +297,9 @@
return -EINVAL;
}
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+#endif /* !CONFIG_GPIOLIB */
+
static inline int irq_to_gpio(unsigned irq)
{
return (irq - GPIO_IRQ_BASE);