static inline int gpio_request(unsigned gpio, const char *label)
{
-@@ -52,6 +53,10 @@ static inline int gpio_direction_output(
+@@ -52,6 +53,8 @@ static inline int gpio_direction_output(
return bcm47xx_gpio_direction_output(gpio, value);
}
-+static inline int gpio_is_valid(int gpio)
-+{
-+ return bcm47xx_gpio_is_valid(gpio);
-+}
++#define gpio_is_valid bcm47xx_gpio_is_valid
++
/* cansleep wrappers */
#include <asm-generic/gpio.h>
struct seq_file;
struct module;
-@@ -99,6 +105,12 @@ extern int __gpio_cansleep(unsigned gpio);
+@@ -99,6 +105,16 @@ extern int __gpio_cansleep(unsigned gpio);
#else
-+static inline int gpio_is_valid(int number)
++static inline int __gpio_is_valid(int number)
+{
+ /* only non-negative numbers are valid */
+ return number >= 0;
+}
++
++#ifndef gpio_is_valid
++#define gpio_is_valid __gpio_is_valid
++#endif
+
/* platforms that don't directly support access to GPIOs through I2C, SPI,
* or other blocking infrastructure can use these wrappers.