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| author | Simon Glass <sjg@chromium.org> | 2013-01-21 12:59:18 -0800 |
|---|---|---|
| committer | Jon Loeliger <jdl@jdl.com> | 2013-01-27 14:24:31 -0600 |
| commit | b7aa300eee001872134345416e73e0f81159798f (patch) | |
| tree | ecfb126c40c9754b569c8fdc51bc098401267337 | |
| parent | d59b8078bd79a3ed0cd4bdb9bb92de4475bc1a84 (diff) | |
| download | dtc-b7aa300eee001872134345416e73e0f81159798f.tar.gz | |
Export fdt_stringlist_contains()
This function is useful outside libfdt, so export it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
| -rw-r--r-- | libfdt/fdt_ro.c | 5 | ||||
| -rw-r--r-- | libfdt/libfdt.h | 14 |
2 files changed, 16 insertions, 3 deletions
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c index 42da2bd..50007f6 100644 --- a/libfdt/fdt_ro.c +++ b/libfdt/fdt_ro.c @@ -515,8 +515,7 @@ int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle) return offset; /* error from fdt_next_node() */ } -static int _fdt_stringlist_contains(const char *strlist, int listlen, - const char *str) +int fdt_stringlist_contains(const char *strlist, int listlen, const char *str) { int len = strlen(str); const char *p; @@ -542,7 +541,7 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset, prop = fdt_getprop(fdt, nodeoffset, "compatible", &len); if (!prop) return len; - if (_fdt_stringlist_contains(prop, len, compatible)) + if (fdt_stringlist_contains(prop, len, compatible)) return 0; else return 1; diff --git a/libfdt/libfdt.h b/libfdt/libfdt.h index 8e57a06..c0075e7 100644 --- a/libfdt/libfdt.h +++ b/libfdt/libfdt.h @@ -816,6 +816,20 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset, int fdt_node_offset_by_compatible(const void *fdt, int startoffset, const char *compatible); +/** + * fdt_stringlist_contains - check a string list property for a string + * @strlist: Property containing a list of strings to check + * @listlen: Length of property + * @str: String to search for + * + * This is a utility function provided for convenience. The list contains + * one or more strings, each terminated by \0, as is found in a device tree + * "compatible" property. + * + * @return: 1 if the string is found in the list, 0 not found, or invalid list + */ +int fdt_stringlist_contains(const char *strlist, int listlen, const char *str); + /**********************************************************************/ /* Write-in-place functions */ /**********************************************************************/ |