summaryrefslogtreecommitdiff
path: root/arch/arm/mach-u300/include/mach/gpio.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-u300/include/mach/gpio.h')
-rw-r--r--arch/arm/mach-u300/include/mach/gpio.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-u300/include/mach/gpio.h b/arch/arm/mach-u300/include/mach/gpio.h
index c8174128d7eb..7b1fc984abb6 100644
--- a/arch/arm/mach-u300/include/mach/gpio.h
+++ b/arch/arm/mach-u300/include/mach/gpio.h
@@ -258,6 +258,7 @@
#define PIN_TO_PORT(val) (val >> 3)
/* These can be found in arch/arm/mach-u300/gpio.c */
+extern int gpio_is_valid(int number);
extern int gpio_request(unsigned gpio, const char *label);
extern void gpio_free(unsigned gpio);
extern int gpio_direction_input(unsigned gpio);