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of: Add of_fwnode_handle() to convert device nodes to fwnode_handle

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of_fwnode_handle() returns a struct fwnode_handle of the struct
device_node. This may be used on the fwnode property API.

Use a macro instead of a function in order to support const and non-const
arguments.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Sakari Ailus 2017-03-28 10:52:23 +03:00 committed by Rafael J. Wysocki
parent e7887c2849
commit 67831837e0
1 changed files with 4 additions and 0 deletions
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4
include/linux/of.h
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@ -159,6 +159,8 @@ static inline struct device_node *to_of_node(struct fwnode_handle *fwnode)
container_of(fwnode, struct device_node, fwnode) : NULL;
}
#define of_fwnode_handle(node) (&(node)->fwnode)
static inline bool of_have_populated_dt(void)
{
return of_root != NULL;
@ -602,6 +604,8 @@ static inline struct device_node *of_find_node_with_property(
return NULL;
}
#define of_fwnode_handle(node) NULL
static inline bool of_have_populated_dt(void)
{
return false;