Add gpio_is_valid() for bcm47xx
-Index: linux-2.6.25.10/arch/mips/bcm47xx/gpio.c
-===================================================================
---- linux-2.6.25.10.orig/arch/mips/bcm47xx/gpio.c 2008-07-20 20:48:44.000000000 +0200
-+++ linux-2.6.25.10/arch/mips/bcm47xx/gpio.c 2008-07-20 20:57:55.000000000 +0200
+--- a/arch/mips/bcm47xx/gpio.c
++++ b/arch/mips/bcm47xx/gpio.c
@@ -77,3 +77,15 @@ int bcm47xx_gpio_direction_output(unsign
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_output);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(bcm47xx_gpio_is_valid);
-Index: linux-2.6.25.10/include/asm-mips/mach-bcm47xx/gpio.h
-===================================================================
---- linux-2.6.25.10.orig/include/asm-mips/mach-bcm47xx/gpio.h 2008-07-20 20:48:44.000000000 +0200
-+++ linux-2.6.25.10/include/asm-mips/mach-bcm47xx/gpio.h 2008-07-20 20:49:20.000000000 +0200
+--- a/include/asm-mips/mach-bcm47xx/gpio.h
++++ b/include/asm-mips/mach-bcm47xx/gpio.h
@@ -17,6 +17,7 @@ extern int bcm47xx_gpio_get_value(unsign
extern void bcm47xx_gpio_set_value(unsigned gpio, int value);
extern int bcm47xx_gpio_direction_input(unsigned gpio);