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Diffstat (limited to 'include/asm-generic/gpio.h')
-rw-r--r--include/asm-generic/gpio.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 059f339..68b5f0b 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -133,7 +133,7 @@ struct gpio_desc {
* previously returned by gpio_request_by_name()
* @return true if valid, false if not
*/
-static inline bool dm_gpio_is_valid(struct gpio_desc *desc)
+static inline bool dm_gpio_is_valid(const struct gpio_desc *desc)
{
return desc->dev != NULL;
}
@@ -369,7 +369,7 @@ int gpio_get_values_as_int(const int *gpio_list);
* @count: Number of GPIOs
* @return resulting integer value, or -ve on error
*/
-int dm_gpio_get_values_as_int(struct gpio_desc *desc_list, int count);
+int dm_gpio_get_values_as_int(const struct gpio_desc *desc_list, int count);
/**
* gpio_claim_vector() - claim a number of GPIOs for input
@@ -536,9 +536,9 @@ int gpio_free_list_nodev(struct gpio_desc *desc, int count);
* previously returned by gpio_request_by_name()
* @return GPIO value (0 for inactive, 1 for active) or -ve on error
*/
-int dm_gpio_get_value(struct gpio_desc *desc);
+int dm_gpio_get_value(const struct gpio_desc *desc);
-int dm_gpio_set_value(struct gpio_desc *desc, int value);
+int dm_gpio_set_value(const struct gpio_desc *desc, int value);
/**
* dm_gpio_set_dir() - Set the direction for a GPIO
@@ -577,6 +577,6 @@ int dm_gpio_set_dir_flags(struct gpio_desc *desc, ulong flags);
* previously returned by gpio_request_by_name()
* @return GPIO number, or -ve if not found
*/
-int gpio_get_number(struct gpio_desc *desc);
+int gpio_get_number(const struct gpio_desc *desc);
#endif /* _ASM_GENERIC_GPIO_H_ */