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Commit 99a85464 authored by Sakari Ailus's avatar Sakari Ailus Committed by Rafael J. Wysocki
Browse files

ACPI: Constify internal fwnode arguments 



Constify internal ACPI fwnode arguments in preparation for the same in
fwnode API.

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 8b9d6802

drivers/acpi/property.c

+18 −16
Original line number Diff line number Diff line
@@ -19,7 +19,7 @@ 


#include "internal.h"



static int acpi_data_get_property_array(struct acpi_device_data *data,

static int acpi_data_get_property_array(const struct acpi_device_data *data,

					const char *name,

					acpi_object_type type,

					const union acpi_object **obj);
@@ -417,7 +417,7 @@ void acpi_free_properties(struct acpi_device *adev) 
 *         %-EINVAL if the property doesn't exist,

 *         %-EPROTO if the property value type doesn't match @type.

 */

static int acpi_data_get_property(struct acpi_device_data *data,

static int acpi_data_get_property(const struct acpi_device_data *data,

				  const char *name, acpi_object_type type,

				  const union acpi_object **obj)

{
@@ -459,20 +459,21 @@ static int acpi_data_get_property(struct acpi_device_data *data, 
 * @type: Expected property type.

 * @obj: Location to store the property value (if not %NULL).

 */

int acpi_dev_get_property(struct acpi_device *adev, const char *name,

int acpi_dev_get_property(const struct acpi_device *adev, const char *name,

			  acpi_object_type type, const union acpi_object **obj)

{

	return adev ? acpi_data_get_property(&adev->data, name, type, obj) : -EINVAL;

}

EXPORT_SYMBOL_GPL(acpi_dev_get_property);



static struct acpi_device_data *acpi_device_data_of_node(struct fwnode_handle *fwnode)

static const struct acpi_device_data *

acpi_device_data_of_node(const struct fwnode_handle *fwnode)

{

	if (is_acpi_device_node(fwnode)) {

		struct acpi_device *adev = to_acpi_device_node(fwnode);

		const struct acpi_device *adev = to_acpi_device_node(fwnode);

		return &adev->data;

	} else if (is_acpi_data_node(fwnode)) {

		struct acpi_data_node *dn = to_acpi_data_node(fwnode);

		const struct acpi_data_node *dn = to_acpi_data_node(fwnode);

		return &dn->data;

	}

	return NULL;
@@ -484,8 +485,8 @@ static struct acpi_device_data *acpi_device_data_of_node(struct fwnode_handle *f 
 * @propname: Name of the property.

 * @valptr: Location to store a pointer to the property value (if not %NULL).

 */

int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,

		       void **valptr)

int acpi_node_prop_get(const struct fwnode_handle *fwnode,

		       const char *propname, void **valptr)

{

	return acpi_data_get_property(acpi_device_data_of_node(fwnode),

				      propname, ACPI_TYPE_ANY,
@@ -511,7 +512,7 @@ int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname, 
 *         %-EPROTO if the property is not a package or the type of its elements

 *           doesn't match @type.

 */

static int acpi_data_get_property_array(struct acpi_device_data *data,

static int acpi_data_get_property_array(const struct acpi_device_data *data,

					const char *name,

					acpi_object_type type,

					const union acpi_object **obj)
@@ -571,13 +572,13 @@ static int acpi_data_get_property_array(struct acpi_device_data *data, 
 *

 * Return: %0 on success, negative error code on failure.

 */

int __acpi_node_get_property_reference(struct fwnode_handle *fwnode,

int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,

	const char *propname, size_t index, size_t num_args,

	struct acpi_reference_args *args)

{

	const union acpi_object *element, *end;

	const union acpi_object *obj;

	struct acpi_device_data *data;

	const struct acpi_device_data *data;

	struct acpi_device *device;

	int ret, idx = 0;
@@ -673,7 +674,7 @@ int __acpi_node_get_property_reference(struct fwnode_handle *fwnode, 
}

EXPORT_SYMBOL_GPL(__acpi_node_get_property_reference);



static int acpi_data_prop_read_single(struct acpi_device_data *data,

static int acpi_data_prop_read_single(const struct acpi_device_data *data,

				      const char *propname,

				      enum dev_prop_type proptype, void *val)

{
@@ -812,7 +813,7 @@ static int acpi_copy_property_array_string(const union acpi_object *items, 
	return nval;

}



static int acpi_data_prop_read(struct acpi_device_data *data,

static int acpi_data_prop_read(const struct acpi_device_data *data,

			       const char *propname,

			       enum dev_prop_type proptype,

			       void *val, size_t nval)
@@ -866,7 +867,7 @@ static int acpi_data_prop_read(struct acpi_device_data *data, 
	return ret;

}



int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,

int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,

		       enum dev_prop_type proptype, void *val, size_t nval)

{

	return adev ? acpi_data_prop_read(&adev->data, propname, proptype, val, nval) : -EINVAL;
@@ -884,8 +885,9 @@ int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, 
 * of the property.  Otherwise, read at most @nval values to the array at the

 * location pointed to by @val.

 */

int acpi_node_prop_read(struct fwnode_handle *fwnode,  const char *propname,

		        enum dev_prop_type proptype, void *val, size_t nval)

int acpi_node_prop_read(const struct fwnode_handle *fwnode,

			const char *propname, enum dev_prop_type proptype,

			void *val, size_t nval)

{

	return acpi_data_prop_read(acpi_device_data_of_node(fwnode),

				   propname, proptype, val, nval);

include/linux/acpi.h

+22 −18
Original line number Diff line number Diff line
@@ -1003,13 +1003,14 @@ struct acpi_reference_args { 
};



#ifdef CONFIG_ACPI

int acpi_dev_get_property(struct acpi_device *adev, const char *name,

int acpi_dev_get_property(const struct acpi_device *adev, const char *name,

			  acpi_object_type type, const union acpi_object **obj);

int __acpi_node_get_property_reference(struct fwnode_handle *fwnode,

int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,

				const char *name, size_t index, size_t num_args,

				struct acpi_reference_args *args);



static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,

static inline int acpi_node_get_property_reference(

				const struct fwnode_handle *fwnode,

				const char *name, size_t index,

				struct acpi_reference_args *args)

{
@@ -1017,13 +1018,15 @@ static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode, 
		MAX_ACPI_REFERENCE_ARGS, args);

}



int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,

int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,

		       void **valptr);

int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,

			      enum dev_prop_type proptype, void *val);

int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname,

		        enum dev_prop_type proptype, void *val, size_t nval);

int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,

int acpi_dev_prop_read_single(struct acpi_device *adev,

			      const char *propname, enum dev_prop_type proptype,

			      void *val);

int acpi_node_prop_read(const struct fwnode_handle *fwnode,

			const char *propname, enum dev_prop_type proptype,

			void *val, size_t nval);

int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname,

		       enum dev_prop_type proptype, void *val, size_t nval);



struct fwnode_handle *acpi_get_next_subnode(struct fwnode_handle *fwnode,
@@ -1100,35 +1103,36 @@ static inline int acpi_dev_get_property(struct acpi_device *adev, 
}



static inline int

__acpi_node_get_property_reference(struct fwnode_handle *fwnode,

__acpi_node_get_property_reference(const struct fwnode_handle *fwnode,

				const char *name, size_t index, size_t num_args,

				struct acpi_reference_args *args)

{

	return -ENXIO;

}



static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,

static inline int

acpi_node_get_property_reference(const struct fwnode_handle *fwnode,

				 const char *name, size_t index,

				 struct acpi_reference_args *args)

{

	return -ENXIO;

}



static inline int acpi_node_prop_get(struct fwnode_handle *fwnode,

static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,

				     const char *propname,

				     void **valptr)

{

	return -ENXIO;

}



static inline int acpi_dev_prop_get(struct acpi_device *adev,

static inline int acpi_dev_prop_get(const struct acpi_device *adev,

				    const char *propname,

				    void **valptr)

{

	return -ENXIO;

}



static inline int acpi_dev_prop_read_single(struct acpi_device *adev,

static inline int acpi_dev_prop_read_single(const struct acpi_device *adev,

					    const char *propname,

					    enum dev_prop_type proptype,

					    void *val)
@@ -1136,7 +1140,7 @@ static inline int acpi_dev_prop_read_single(struct acpi_device *adev, 
	return -ENXIO;

}



static inline int acpi_node_prop_read(struct fwnode_handle *fwnode,

static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode,

				      const char *propname,

				      enum dev_prop_type proptype,

				      void *val, size_t nval)
@@ -1144,7 +1148,7 @@ static inline int acpi_node_prop_read(struct fwnode_handle *fwnode, 
	return -ENXIO;

}



static inline int acpi_dev_prop_read(struct acpi_device *adev,

static inline int acpi_dev_prop_read(const struct acpi_device *adev,

				     const char *propname,

				     enum dev_prop_type proptype,

				     void *val, size_t nval)