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-rw-r--r--drivers/gpio/gpiolib.c14
-rw-r--r--drivers/gpio/gpiolib.h3
2 files changed, 9 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);
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index cadba26c45a6..205dd12659c0 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -27,6 +27,9 @@ struct acpi_gpio_info {
bool active_low;
};
+/* gpio suffixes used for ACPI and device tree lookup */
+static const char * const gpio_suffixes[] = { "gpios", "gpio" };
+
#ifdef CONFIG_ACPI
void acpi_gpiochip_add(struct gpio_chip *chip);
void acpi_gpiochip_remove(struct gpio_chip *chip);