Commit 8b9d6802 authored by Sakari Ailus's avatar Sakari Ailus Committed by Rafael J. Wysocki
Browse files

ACPI: Constify acpi_bus helper functions, switch to macros 



Constify arguments to is_acpi_node(), is_acpi_device_node(),
is_acpi_static_node() and acpi_data_node_match(). Make
to_acpi_device_node() and to_acpi_data_node() macros that can cope with
const and non-const arguments.

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 01c1da28

include/acpi/acpi_bus.h

+25 −17
Original line number Diff line number Diff line
@@ -399,43 +399,51 @@ extern const struct fwnode_operations acpi_device_fwnode_ops; 
extern const struct fwnode_operations acpi_data_fwnode_ops;

extern const struct fwnode_operations acpi_static_fwnode_ops;



static inline bool is_acpi_node(struct fwnode_handle *fwnode)

static inline bool is_acpi_node(const struct fwnode_handle *fwnode)

{

	return !IS_ERR_OR_NULL(fwnode) &&

		(fwnode->ops == &acpi_device_fwnode_ops

		 || fwnode->ops == &acpi_data_fwnode_ops);

}



static inline bool is_acpi_device_node(struct fwnode_handle *fwnode)

static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)

{

	return !IS_ERR_OR_NULL(fwnode) &&

		fwnode->ops == &acpi_device_fwnode_ops;

}



static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode)

{

	return is_acpi_device_node(fwnode) ?

		container_of(fwnode, struct acpi_device, fwnode) : NULL;

}



static inline bool is_acpi_data_node(struct fwnode_handle *fwnode)

#define to_acpi_device_node(__fwnode)					\

	({								\

		typeof(__fwnode) __to_acpi_device_node_fwnode = __fwnode; \

									\

		is_acpi_device_node(__to_acpi_device_node_fwnode) ?	\

			container_of(__to_acpi_device_node_fwnode,	\

				     struct acpi_device, fwnode) :	\

			NULL;						\

	})



static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)

{

	return !IS_ERR_OR_NULL(fwnode) && fwnode->ops == &acpi_data_fwnode_ops;

}



static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode)

{

	return is_acpi_data_node(fwnode) ?

		container_of(fwnode, struct acpi_data_node, fwnode) : NULL;

}



static inline bool is_acpi_static_node(struct fwnode_handle *fwnode)

#define to_acpi_data_node(__fwnode)					\

	({								\

		typeof(__fwnode) __to_acpi_data_node_fwnode = __fwnode;	\

									\

		is_acpi_data_node(__to_acpi_data_node_fwnode) ?		\

			container_of(__to_acpi_data_node_fwnode,	\

				     struct acpi_data_node, fwnode) :	\

			NULL;						\

	})



static inline bool is_acpi_static_node(const struct fwnode_handle *fwnode)

{

	return !IS_ERR_OR_NULL(fwnode) &&

		fwnode->ops == &acpi_static_fwnode_ops;

}



static inline bool acpi_data_node_match(struct fwnode_handle *fwnode,

static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,

					const char *name)

{

	return is_acpi_data_node(fwnode) ?

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