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dm: core: Add comments to ofnode_read_resource() functoins

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These functions are missing comments. Add some.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2018-06-11 13:07:12 -06:00
parent fbe8d033fc
commit c98ad4434c
1 changed files with 23 additions and 0 deletions
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23
include/dm/ofnode.h
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@ -651,7 +651,30 @@ int ofnode_read_simple_size_cells(ofnode node);
*/
bool ofnode_pre_reloc(ofnode node);
/**
* ofnode_read_resource() - Read a resource from a node
*
* Read resource information from a node at the given index
*
* @node: Node to read from
* @index: Index of resource to read (0 = first)
* @res: Returns resource that was read, on success
* @return 0 if OK, -ve on error
*/
int ofnode_read_resource(ofnode node, uint index, struct resource *res);
/**
* ofnode_read_resource_byname() - Read a resource from a node by name
*
* Read resource information from a node matching the given name. This uses a
* 'reg-names' string list property with the names matching the associated
* 'reg' property list.
*
* @node: Node to read from
* @name: Name of resource to read
* @res: Returns resource that was read, on success
* @return 0 if OK, -ve on error
*/
int ofnode_read_resource_byname(ofnode node, const char *name,
struct resource *res);