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| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2008-12-05 08:15:54 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-12-21 14:21:14 +1100 |
| commit | 749820928a2fd47ff536773d869d2c3f8038b7d1 (patch) | |
| tree | 69f7f37a63f9c194f33fb7a16d12f62b583da6c8 /include | |
| parent | 7736a3db98bed028d0e5235f8958a730acfd822e (diff) | |
| download | linux-stable-749820928a2fd47ff536773d869d2c3f8038b7d1.tar.gz linux-stable-749820928a2fd47ff536773d869d2c3f8038b7d1.tar.bz2 linux-stable-749820928a2fd47ff536773d869d2c3f8038b7d1.zip | |
of/gpio: Implement of_gpio_count()
This function is used to count how many GPIOs are specified for
a device node.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/of_gpio.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index e25abf610cb6..fc2472c3c254 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -65,6 +65,7 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) extern int of_get_gpio_flags(struct device_node *np, int index, enum of_gpio_flags *flags); +extern unsigned int of_gpio_count(struct device_node *np); extern int of_mm_gpiochip_add(struct device_node *np, struct of_mm_gpio_chip *mm_gc); @@ -81,6 +82,11 @@ static inline int of_get_gpio_flags(struct device_node *np, int index, return -ENOSYS; } +static inline unsigned int of_gpio_count(struct device_node *np) +{ + return 0; +} + #endif /* CONFIG_OF_GPIO */ /** |