struct device_node;
struct reset_control;
+/**
+ * struct reset_control_bulk_data - Data used for bulk reset control operations.
+ *
+ * @id: reset control consumer ID
+ * @rstc: struct reset_control * to store the associated reset control
+ *
+ * The reset APIs provide a series of reset_control_bulk_*() API calls as
+ * a convenience to consumers which require multiple reset controls.
+ * This structure is used to manage data for these calls.
+ */
+struct reset_control_bulk_data {
+ const char *id;
+ struct reset_control *rstc;
+};
+
#ifdef CONFIG_RESET_CONTROLLER
int reset_control_reset(struct reset_control *rstc);
int reset_control_acquire(struct reset_control *rstc);
void reset_control_release(struct reset_control *rstc);
+int reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs);
+int reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs);
+int reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs);
+int reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs);
+void reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs);
+
struct reset_control *__of_reset_control_get(struct device_node *node,
const char *id, int index, bool shared,
bool optional, bool acquired);
int index, bool shared,
bool optional, bool acquired);
void reset_control_put(struct reset_control *rstc);
+int __reset_control_bulk_get(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs,
+ bool shared, bool optional, bool acquired);
+void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs);
+
int __device_reset(struct device *dev, bool optional);
struct reset_control *__devm_reset_control_get(struct device *dev,
const char *id, int index, bool shared,
bool optional, bool acquired);
+int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs,
+ bool shared, bool optional, bool acquired);
struct reset_control *devm_reset_control_array_get(struct device *dev,
bool shared, bool optional);
return optional ? NULL : ERR_PTR(-ENOTSUPP);
}
+static inline int
+reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+ return 0;
+}
+
+static inline int
+reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+ return 0;
+}
+
+static inline int
+reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+ return 0;
+}
+
+static inline int
+reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+ return 0;
+}
+
+static inline void
+reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+}
+
+static inline int
+__reset_control_bulk_get(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs,
+ bool shared, bool optional, bool acquired)
+{
+ return optional ? 0 : -EOPNOTSUPP;
+}
+
+static inline void
+reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+}
+
static inline struct reset_control *__devm_reset_control_get(
struct device *dev, const char *id,
int index, bool shared, bool optional,
return optional ? NULL : ERR_PTR(-ENOTSUPP);
}
+static inline int
+__devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs,
+ bool shared, bool optional, bool acquired)
+{
+ return optional ? 0 : -EOPNOTSUPP;
+}
+
static inline struct reset_control *
devm_reset_control_array_get(struct device *dev, bool shared, bool optional)
{
return __reset_control_get(dev, id, 0, false, false, true);
}
+/**
+ * reset_control_bulk_get_exclusive - Lookup and obtain exclusive references to
+ * multiple reset controllers.
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Fills the rstcs array with pointers to exclusive reset controls and
+ * returns 0, or an IS_ERR() condition containing errno.
+ */
+static inline int __must_check
+reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true);
+}
+
/**
* reset_control_get_exclusive_released - Lookup and obtain a temoprarily
* exclusive reference to a reset
return __reset_control_get(dev, id, 0, false, false, false);
}
+/**
+ * reset_control_bulk_get_exclusive_released - Lookup and obtain temporarily
+ * exclusive references to multiple reset
+ * controllers.
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Fills the rstcs array with pointers to exclusive reset controls and
+ * returns 0, or an IS_ERR() condition containing errno.
+ * reset-controls returned by this function must be acquired via
+ * reset_control_bulk_acquire() before they can be used and should be released
+ * via reset_control_bulk_release() afterwards.
+ */
+static inline int __must_check
+reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false);
+}
+
+/**
+ * reset_control_bulk_get_optional_exclusive_released - Lookup and obtain optional
+ * temporarily exclusive references to multiple
+ * reset controllers.
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Optional variant of reset_control_bulk_get_exclusive_released(). If the
+ * requested reset is not specified in the device tree, this function returns 0
+ * instead of an error and missing rtsc is set to NULL.
+ *
+ * See reset_control_bulk_get_exclusive_released() for more information.
+ */
+static inline int __must_check
+reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false);
+}
+
/**
* reset_control_get_shared - Lookup and obtain a shared reference to a
* reset controller.
return __reset_control_get(dev, id, 0, true, false, false);
}
+/**
+ * reset_control_bulk_get_shared - Lookup and obtain shared references to
+ * multiple reset controllers.
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Fills the rstcs array with pointers to shared reset controls and
+ * returns 0, or an IS_ERR() condition containing errno.
+ */
+static inline int __must_check
+reset_control_bulk_get_shared(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false);
+}
+
/**
* reset_control_get_optional_exclusive - optional reset_control_get_exclusive()
* @dev: device to be reset by the controller
return __reset_control_get(dev, id, 0, false, true, true);
}
+/**
+ * reset_control_bulk_get_optional_exclusive - optional
+ * reset_control_bulk_get_exclusive()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Optional variant of reset_control_bulk_get_exclusive(). If any of the
+ * requested resets are not specified in the device tree, this function sets
+ * them to NULL instead of returning an error.
+ *
+ * See reset_control_bulk_get_exclusive() for more information.
+ */
+static inline int __must_check
+reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, true);
+}
+
/**
* reset_control_get_optional_shared - optional reset_control_get_shared()
* @dev: device to be reset by the controller
return __reset_control_get(dev, id, 0, true, true, false);
}
+/**
+ * reset_control_bulk_get_optional_shared - optional
+ * reset_control_bulk_get_shared()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Optional variant of reset_control_bulk_get_shared(). If the requested resets
+ * are not specified in the device tree, this function sets them to NULL
+ * instead of returning an error.
+ *
+ * See reset_control_bulk_get_shared() for more information.
+ */
+static inline int __must_check
+reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, true, false);
+}
+
/**
* of_reset_control_get_exclusive - Lookup and obtain an exclusive reference
* to a reset controller.
return __devm_reset_control_get(dev, id, 0, false, false, true);
}
+/**
+ * devm_reset_control_bulk_get_exclusive - resource managed
+ * reset_control_bulk_get_exclusive()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_exclusive(). For reset controllers returned
+ * from this function, reset_control_put() is called automatically on driver
+ * detach.
+ *
+ * See reset_control_bulk_get_exclusive() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true);
+}
+
/**
* devm_reset_control_get_exclusive_released - resource managed
* reset_control_get_exclusive_released()
return __devm_reset_control_get(dev, id, 0, false, false, false);
}
+/**
+ * devm_reset_control_bulk_get_exclusive_released - resource managed
+ * reset_control_bulk_get_exclusive_released()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_exclusive_released(). For reset controllers
+ * returned from this function, reset_control_put() is called automatically on
+ * driver detach.
+ *
+ * See reset_control_bulk_get_exclusive_released() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false);
+}
+
/**
* devm_reset_control_get_optional_exclusive_released - resource managed
* reset_control_get_optional_exclusive_released()
return __devm_reset_control_get(dev, id, 0, false, true, false);
}
+/**
+ * devm_reset_control_bulk_get_optional_exclusive_released - resource managed
+ * reset_control_bulk_optional_get_exclusive_released()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_optional_get_exclusive_released(). For reset
+ * controllers returned from this function, reset_control_put() is called
+ * automatically on driver detach.
+ *
+ * See reset_control_bulk_optional_get_exclusive_released() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false);
+}
+
/**
* devm_reset_control_get_shared - resource managed reset_control_get_shared()
* @dev: device to be reset by the controller
return __devm_reset_control_get(dev, id, 0, true, false, false);
}
+/**
+ * devm_reset_control_bulk_get_shared - resource managed
+ * reset_control_bulk_get_shared()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_shared(). For reset controllers returned
+ * from this function, reset_control_put() is called automatically on driver
+ * detach.
+ *
+ * See reset_control_bulk_get_shared() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_shared(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false);
+}
+
/**
* devm_reset_control_get_optional_exclusive - resource managed
* reset_control_get_optional_exclusive()
return __devm_reset_control_get(dev, id, 0, false, true, true);
}
+/**
+ * devm_reset_control_bulk_get_optional_exclusive - resource managed
+ * reset_control_bulk_get_optional_exclusive()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_optional_exclusive(). For reset controllers
+ * returned from this function, reset_control_put() is called automatically on
+ * driver detach.
+ *
+ * See reset_control_bulk_get_optional_exclusive() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, true);
+}
+
/**
* devm_reset_control_get_optional_shared - resource managed
* reset_control_get_optional_shared()
return __devm_reset_control_get(dev, id, 0, true, true, false);
}
+/**
+ * devm_reset_control_bulk_get_optional_shared - resource managed
+ * reset_control_bulk_get_optional_shared()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_optional_shared(). For reset controllers
+ * returned from this function, reset_control_put() is called automatically on
+ * driver detach.
+ *
+ * See reset_control_bulk_get_optional_shared() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs,
+ struct reset_control_bulk_data *rstcs)
+{
+ return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, true, false);
+}
+
/**
* devm_reset_control_get_exclusive_by_index - resource managed
* reset_control_get_exclusive()
projects / linux-block.git / blobdiff