diff options
| author | Thierry Reding <treding@nvidia.com> | 2014-04-23 19:28:09 +0400 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-04-28 23:35:10 +0400 |
| commit | dd34c37aa3e81715a1ed8da61fa438072428e188 (patch) | |
| tree | 6d19c8fb4f275b2bc8a798ffc05b18ca589830b5 /drivers/gpio/gpiolib.c | |
| parent | 9370084e685666fe33e9d62707433fa112446b03 (diff) | |
| download | linux-dd34c37aa3e81715a1ed8da61fa438072428e188.tar.xz | |
gpio: of: Allow -gpio suffix for property names
Many bindings use the -gpio suffix in property names. Support this in
addition to the -gpios suffix when requesting GPIOs using the new
descriptor-based API.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 51c09534676b..86eb0467fc5a 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2600,17 +2600,23 @@ static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, unsigned int idx, enum gpio_lookup_flags *flags) { + static const char *suffixes[] = { "gpios", "gpio" }; char prop_name[32]; /* 32 is max size of property name */ enum of_gpio_flags of_flags; struct gpio_desc *desc; + unsigned int i; - if (con_id) - snprintf(prop_name, 32, "%s-gpios", con_id); - else - snprintf(prop_name, 32, "gpios"); + for (i = 0; i < ARRAY_SIZE(suffixes); i++) { + if (con_id) + snprintf(prop_name, 32, "%s-%s", con_id, suffixes[i]); + else + snprintf(prop_name, 32, "%s", suffixes[i]); - desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx, - &of_flags); + desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx, + &of_flags); + if (!IS_ERR(desc)) + break; + } if (IS_ERR(desc)) return desc; |