target/linux/generic-2.6/patches-2.6.25/920-backport-gpio-is-valid.patch

   1 Backport gpio_is_valid() for gpiolib from linux-2.6.26
   2 Index: linux-2.6.25.10/include/asm-generic/gpio.h
   3 ===================================================================
   4 --- linux-2.6.25.10.orig/include/asm-generic/gpio.h     2008-07-03 05:46:47.000000000 +0200
   5 +++ linux-2.6.25.10/include/asm-generic/gpio.h  2008-07-20 20:32:12.000000000 +0200
   6 @@ -16,6 +16,12 @@
   7  #define ARCH_NR_GPIOS          256
   8  #endif
   9
  10 +static inline int gpio_is_valid(int number)
  11 +{
  12 +       /* only some non-negative numbers are valid */
  13 +       return ((unsigned)number) < ARCH_NR_GPIOS;
  14 +}
  15 +
  16  struct seq_file;
  17
  18  /**