diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.25/920-backport-gpio-is-valid.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.25/920-backport-gpio-is-valid.patch | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.25/920-backport-gpio-is-valid.patch b/target/linux/generic-2.6/patches-2.6.25/920-backport-gpio-is-valid.patch new file mode 100644 index 000000000..966270b78 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.25/920-backport-gpio-is-valid.patch @@ -0,0 +1,18 @@ +Backport gpio_is_valid() for gpiolib from linux-2.6.26 +Index: linux-2.6.25.10/include/asm-generic/gpio.h +=================================================================== +--- linux-2.6.25.10.orig/include/asm-generic/gpio.h 2008-07-03 05:46:47.000000000 +0200 ++++ linux-2.6.25.10/include/asm-generic/gpio.h 2008-07-20 20:32:12.000000000 +0200 +@@ -16,6 +16,12 @@ + #define ARCH_NR_GPIOS 256 + #endif + ++static inline int gpio_is_valid(int number) ++{ ++ /* only some non-negative numbers are valid */ ++ return ((unsigned)number) < ARCH_NR_GPIOS; ++} ++ + struct seq_file; + + /** |