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Diffstat (limited to 'include/linux/gpio')
-rw-r--r--include/linux/gpio/consumer.h14
-rw-r--r--include/linux/gpio/driver.h4
2 files changed, 10 insertions, 8 deletions
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 566feb56601f..97a28ad3393b 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -609,7 +609,7 @@ struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev,
#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_OF_GPIO)
struct device_node;
-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);
@@ -619,7 +619,7 @@ struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
struct device_node;
static inline
-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)
@@ -633,7 +633,7 @@ struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
struct device_node;
struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
- struct device_node *node,
+ const struct device_node *node,
const char *propname, int index,
enum gpiod_flags dflags,
const char *label);
@@ -644,7 +644,7 @@ struct device_node;
static inline
struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
- struct device_node *node,
+ const struct device_node *node,
const char *propname, int index,
enum gpiod_flags dflags,
const char *label)
@@ -680,10 +680,10 @@ struct acpi_gpio_mapping {
unsigned int quirks;
};
-#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_ACPI)
-
struct acpi_device;
+#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_ACPI)
+
int acpi_dev_add_driver_gpios(struct acpi_device *adev,
const struct acpi_gpio_mapping *gpios);
void acpi_dev_remove_driver_gpios(struct acpi_device *adev);
@@ -696,8 +696,6 @@ struct gpio_desc *acpi_get_and_request_gpiod(char *path, int pin, char *label);
#else /* CONFIG_GPIOLIB && CONFIG_ACPI */
-struct acpi_device;
-
static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
const struct acpi_gpio_mapping *gpios)
{
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 3a268781fcec..a0f9901dcae6 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -312,6 +312,9 @@ struct gpio_irq_chip {
* get rid of the static GPIO number space in the long run.
* @ngpio: the number of GPIOs handled by this controller; the last GPIO
* handled is (base + ngpio - 1).
+ * @offset: when multiple gpio chips belong to the same device this
+ * can be used as offset within the device so friendly names can
+ * be properly assigned.
* @names: if set, must be an array of strings to use as alternative
* names for the GPIOs in this chip. Any entry in the array
* may be NULL if there is no alias for the GPIO, however the
@@ -398,6 +401,7 @@ struct gpio_chip {
int base;
u16 ngpio;
+ u16 offset;
const char *const *names;
bool can_sleep;