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gpiolib: of: constify few local device_node variables 

gpiolib does not modify struct device_node, so few local pointers can
point to a const data.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Krzysztof Kozlowski 2021-07-28 16:42:29 +02:00 committed by Bartosz Golaszewski
parent e6ae9a833e
commit 8990899d84
1 changed files with 4 additions and 4 deletions
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8
drivers/gpio/gpiolib-of.c
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@ -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)
@ -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;