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fdt: Add a function to count strings

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Given a device tree node and a property name, the fdt_count_strings()
function counts the number of strings found in the property value.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Thierry Reding
2014-08-26 17:33:50 +02:00
committed by Simon Glass
parent a84c8107d9
commit bc4147ab2d
2 changed files with 29 additions and 0 deletions
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9
include/libfdt.h
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@@ -857,6 +857,15 @@ int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
*/
int fdt_stringlist_contains(const char *strlist, int listlen, const char *str);
/**
* fdt_count_strings - count the number of strings in a string list
* @fdt: pointer to the device tree blob
* @node: offset of the node
* @property: name of the property containing the string list
* @return: the number of strings in the given property
*/
int fdt_count_strings(const void *fdt, int node, const char *property);
/**********************************************************************/
/* Read-only functions (addressing related) */
/**********************************************************************/