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path: root/drivers/gpio/gpiolib-of.c
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Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
-rw-r--r--drivers/gpio/gpiolib-of.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index bbcc7c073f63..0ad288ab6262 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -122,7 +122,7 @@ static struct gpio_desc *of_xlate_and_get_gpiod_flags(struct gpio_chip *chip,
bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
{
int size;
- struct device_node *np = gc->of_node;
+ const struct device_node *np = gc->of_node;
size = of_property_count_u32_elems(np, "gpio-reserved-ranges");
if (size > 0 && size % 2 == 0)
@@ -130,7 +130,7 @@ bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
return false;
}
-static void of_gpio_flags_quirks(struct device_node *np,
+static void of_gpio_flags_quirks(const struct device_node *np,
const char *propname,
enum of_gpio_flags *flags,
int index)
@@ -236,7 +236,7 @@ static void of_gpio_flags_quirks(struct device_node *np,
* value on the error condition. If @flags is not NULL the function also fills
* in flags for the GPIO.
*/
-static struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
+static struct gpio_desc *of_get_named_gpiod_flags(const struct device_node *np,
const char *propname, int index, enum of_gpio_flags *flags)
{
struct of_phandle_args gpiospec;
@@ -275,7 +275,7 @@ out:
return desc;
}
-int of_get_named_gpio_flags(struct device_node *np, const char *list_name,
+int of_get_named_gpio_flags(const struct device_node *np, const char *list_name,
int index, enum of_gpio_flags *flags)
{
struct gpio_desc *desc;
@@ -303,7 +303,7 @@ EXPORT_SYMBOL_GPL(of_get_named_gpio_flags);
*
* In case of error an ERR_PTR() is returned.
*/
-struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
+struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node,
const char *propname, int index,
enum gpiod_flags dflags,
const char *label)
@@ -373,7 +373,7 @@ static struct gpio_desc *of_find_spi_gpio(struct device *dev, const char *con_id
enum of_gpio_flags *of_flags)
{
char prop_name[32]; /* 32 is max size of property name */
- struct device_node *np = dev->of_node;
+ const struct device_node *np = dev->of_node;
struct gpio_desc *desc;
/*
@@ -404,7 +404,7 @@ static struct gpio_desc *of_find_spi_cs_gpio(struct device *dev,
unsigned int idx,
unsigned long *flags)
{
- struct device_node *np = dev->of_node;
+ const struct device_node *np = dev->of_node;
if (!IS_ENABLED(CONFIG_SPI_MASTER))
return ERR_PTR(-ENOENT);
@@ -440,7 +440,7 @@ static struct gpio_desc *of_find_regulator_gpio(struct device *dev, const char *
"wlf,ldo1ena", /* WM8994 */
"wlf,ldo2ena", /* WM8994 */
};
- struct device_node *np = dev->of_node;
+ const struct device_node *np = dev->of_node;
struct gpio_desc *desc;
int i;