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fdt: Export the fdt_find_or_add_subnode() function 

This function is useful for ensuring that a node exists. Export it so it
can be used more widely.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Tom Rini <trini@ti.com>
This commit is contained in:
Simon Glass 2014-10-23 18:58:49 -06:00
parent 4ba98dc269
commit a9e8e29101
2 changed files with 5 additions and 3 deletions
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6
common/fdt_support.c
View File

@ -113,7 +113,8 @@ int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
}
/**
* fdt_find_or_add_subnode - find or possibly add a subnode of a given node
* fdt_find_or_add_subnode() - find or possibly add a subnode of a given node
*
* @fdt: pointer to the device tree blob
* @parentoffset: structure block offset of a node
* @name: name of the subnode to locate
@ -121,8 +122,7 @@ int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
* fdt_subnode_offset() finds a subnode of the node with a given name.
* If the subnode does not exist, it will be created.
*/
static int fdt_find_or_add_subnode(void *fdt, int parentoffset,
const char *name)
int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name)
{
int offset;

2
include/fdt_support.h
View File

@ -64,6 +64,8 @@ static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
#endif
int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name);
/**
* Add board-specific data to the FDT before booting the OS.
*