--- /dev/null
+--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
++++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
+@@ -58,6 +58,10 @@ static inline int gpio_polarity(unsigned
+ return 0;
+ }
+
++static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
++{
++ return -ENOSYS;
++}
+
+ /* cansleep wrappers */
+ #include <asm-generic/gpio.h>
--- /dev/null
+--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
++++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
+@@ -58,6 +58,10 @@ static inline int gpio_polarity(unsigned
+ return 0;
+ }
+
++static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
++{
++ return -ENOSYS;
++}
+
+ /* cansleep wrappers */
+ #include <asm-generic/gpio.h>