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authorRojhalat Ibrahim <imr@rtschenk.de>2015-02-11 17:27:55 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-03-05 09:48:51 +0100
commit7f2e553a7173b485db41a52060f91fb8e5ab1c69 (patch)
treeac11c7536c8873103a67560fe2321e224675fd2b /drivers/gpio/gpiolib.c
parentgpio: add parameter to allow the use named gpios (diff)
downloadlinux-7f2e553a7173b485db41a52060f91fb8e5ab1c69.tar.xz
linux-7f2e553a7173b485db41a52060f91fb8e5ab1c69.zip
gpiolib: define gpio suffixes globally
Avoid multiple identical definitions of the gpio suffix strings by putting them into a global constant array. Signed-off-by: Rojhalat Ibrahim <imr@rtschenk.de> Reviewed-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.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 15837263dbb3..2f8296c021e5 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1662,19 +1662,18 @@ 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 * const 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;
- for (i = 0; i < ARRAY_SIZE(suffixes); i++) {
+ for (i = 0; i < ARRAY_SIZE(gpio_suffixes); i++) {
if (con_id)
snprintf(prop_name, sizeof(prop_name), "%s-%s", con_id,
- suffixes[i]);
+ gpio_suffixes[i]);
else
snprintf(prop_name, sizeof(prop_name), "%s",
- suffixes[i]);
+ gpio_suffixes[i]);
desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx,
&of_flags);
@@ -1695,7 +1694,6 @@ static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id,
unsigned int idx,
enum gpio_lookup_flags *flags)
{
- static const char * const suffixes[] = { "gpios", "gpio" };
struct acpi_device *adev = ACPI_COMPANION(dev);
struct acpi_gpio_info info;
struct gpio_desc *desc;
@@ -1703,13 +1701,13 @@ static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id,
int i;
/* Try first from _DSD */
- for (i = 0; i < ARRAY_SIZE(suffixes); i++) {
+ for (i = 0; i < ARRAY_SIZE(gpio_suffixes); i++) {
if (con_id && strcmp(con_id, "gpios")) {
snprintf(propname, sizeof(propname), "%s-%s",
- con_id, suffixes[i]);
+ con_id, gpio_suffixes[i]);
} else {
snprintf(propname, sizeof(propname), "%s",
- suffixes[i]);
+ gpio_suffixes[i]);
}
desc = acpi_get_gpiod_by_index(adev, propname, idx, &info);