gpio: remove build warnings caused by sprd bsp

Remove build warnings caused by sprd bsp.

Change-Id: I0c64253caec188267a13dc9e24cbfd489085d746
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 3d22357..70d481d 100644 (file)
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -28,12 +28,13 @@
  * platform data and other tables.
  */
 
-static bool gpio_is_valid(int number)
+static inline bool gpio_is_valid(int number)
 {
        return number >= 0 && number < ARCH_NR_GPIOS;
 }
 
 struct gpio;
+struct seq_file;
 
 /**
  * struct gpio_chip - abstract a GPIO controller