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author | Dave Airlie <airlied@redhat.com> | 2015-04-20 11:32:26 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2015-04-20 13:05:20 +1000 |
commit | 2c33ce009ca2389dbf0535d0672214d09738e35e (patch) | |
tree | 6186a6458c3c160385d794a23eaf07c786a9e61b /include/linux/gpio/consumer.h | |
parent | cec32a47010647e8b0603726ebb75b990a4057a4 (diff) | |
parent | 09d51602cf84a1264946711dd4ea0dddbac599a1 (diff) | |
download | linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.gz linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.bz2 linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.zip |
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/linux/gpio/consumer.h')
-rw-r--r-- | include/linux/gpio/consumer.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index 45afc2dee560..3a7c9ffd5ab9 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -16,6 +16,15 @@ struct device; */ struct gpio_desc; +/** + * Struct containing an array of descriptors that can be obtained using + * gpiod_get_array(). + */ +struct gpio_descs { + unsigned int ndescs; + struct gpio_desc *desc[]; +}; + #define GPIOD_FLAGS_BIT_DIR_SET BIT(0) #define GPIOD_FLAGS_BIT_DIR_OUT BIT(1) #define GPIOD_FLAGS_BIT_DIR_VAL BIT(2) @@ -34,6 +43,9 @@ enum gpiod_flags { #ifdef CONFIG_GPIOLIB +/* Return the number of GPIOs associated with a device / function */ +int gpiod_count(struct device *dev, const char *con_id); + /* Acquire and dispose GPIOs */ struct gpio_desc *__must_check __gpiod_get(struct device *dev, const char *con_id, @@ -49,7 +61,14 @@ struct gpio_desc *__must_check __gpiod_get_index_optional(struct device *dev, const char *con_id, unsigned int index, enum gpiod_flags flags); +struct gpio_descs *__must_check gpiod_get_array(struct device *dev, + const char *con_id, + enum gpiod_flags flags); +struct gpio_descs *__must_check gpiod_get_array_optional(struct device *dev, + const char *con_id, + enum gpiod_flags flags); void gpiod_put(struct gpio_desc *desc); +void gpiod_put_array(struct gpio_descs *descs); struct gpio_desc *__must_check __devm_gpiod_get(struct device *dev, const char *con_id, @@ -64,7 +83,14 @@ struct gpio_desc *__must_check __devm_gpiod_get_optional(struct device *dev, struct gpio_desc *__must_check __devm_gpiod_get_index_optional(struct device *dev, const char *con_id, unsigned int index, enum gpiod_flags flags); +struct gpio_descs *__must_check devm_gpiod_get_array(struct device *dev, + const char *con_id, + enum gpiod_flags flags); +struct gpio_descs *__must_check +devm_gpiod_get_array_optional(struct device *dev, const char *con_id, + enum gpiod_flags flags); void devm_gpiod_put(struct device *dev, struct gpio_desc *desc); +void devm_gpiod_put_array(struct device *dev, struct gpio_descs *descs); int gpiod_get_direction(struct gpio_desc *desc); int gpiod_direction_input(struct gpio_desc *desc); @@ -110,9 +136,15 @@ struct fwnode_handle; struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode, const char *propname); struct gpio_desc *devm_get_gpiod_from_child(struct device *dev, + const char *con_id, struct fwnode_handle *child); #else /* CONFIG_GPIOLIB */ +static inline int gpiod_count(struct device *dev, const char *con_id) +{ + return 0; +} + static inline struct gpio_desc *__must_check __gpiod_get(struct device *dev, const char *con_id, enum gpiod_flags flags) @@ -142,6 +174,20 @@ __gpiod_get_index_optional(struct device *dev, const char *con_id, return ERR_PTR(-ENOSYS); } +static inline struct gpio_descs *__must_check +gpiod_get_array(struct device *dev, const char *con_id, + enum gpiod_flags flags) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct gpio_descs *__must_check +gpiod_get_array_optional(struct device *dev, const char *con_id, + enum gpiod_flags flags) +{ + return ERR_PTR(-ENOSYS); +} + static inline void gpiod_put(struct gpio_desc *desc) { might_sleep(); @@ -150,6 +196,14 @@ static inline void gpiod_put(struct gpio_desc *desc) WARN_ON(1); } +static inline void gpiod_put_array(struct gpio_descs *descs) +{ + might_sleep(); + + /* GPIO can never have been requested */ + WARN_ON(1); +} + static inline struct gpio_desc *__must_check __devm_gpiod_get(struct device *dev, const char *con_id, @@ -181,6 +235,20 @@ __devm_gpiod_get_index_optional(struct device *dev, const char *con_id, return ERR_PTR(-ENOSYS); } +static inline struct gpio_descs *__must_check +devm_gpiod_get_array(struct device *dev, const char *con_id, + enum gpiod_flags flags) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct gpio_descs *__must_check +devm_gpiod_get_array_optional(struct device *dev, const char *con_id, + enum gpiod_flags flags) +{ + return ERR_PTR(-ENOSYS); +} + static inline void devm_gpiod_put(struct device *dev, struct gpio_desc *desc) { might_sleep(); @@ -189,6 +257,15 @@ static inline void devm_gpiod_put(struct device *dev, struct gpio_desc *desc) WARN_ON(1); } +static inline void devm_gpiod_put_array(struct device *dev, + struct gpio_descs *descs) +{ + might_sleep(); + + /* GPIO can never have been requested */ + WARN_ON(1); +} + static inline int gpiod_get_direction(const struct gpio_desc *desc) { |