Export fdt_stringlist_contains()
This function is useful outside libfdt, so export it. Ref: DTC commit b7aa300e Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: David Gibson <david@gibson.dropbear.id.au>
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@ -816,6 +816,20 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset,
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int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
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int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
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const char *compatible);
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const char *compatible);
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/**
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* fdt_stringlist_contains - check a string list property for a string
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* @strlist: Property containing a list of strings to check
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* @listlen: Length of property
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* @str: String to search for
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*
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* This is a utility function provided for convenience. The list contains
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* one or more strings, each terminated by \0, as is found in a device tree
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* "compatible" property.
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*
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* @return: 1 if the string is found in the list, 0 not found, or invalid list
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*/
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int fdt_stringlist_contains(const char *strlist, int listlen, const char *str);
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/**********************************************************************/
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/**********************************************************************/
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/* Write-in-place functions */
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/* Write-in-place functions */
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/**********************************************************************/
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/**********************************************************************/
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@ -519,8 +519,7 @@ int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
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return offset; /* error from fdt_next_node() */
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return offset; /* error from fdt_next_node() */
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}
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}
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static int _fdt_stringlist_contains(const char *strlist, int listlen,
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int fdt_stringlist_contains(const char *strlist, int listlen, const char *str)
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const char *str)
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{
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{
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int len = strlen(str);
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int len = strlen(str);
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const char *p;
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const char *p;
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@ -546,7 +545,7 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset,
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prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);
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prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);
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if (!prop)
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if (!prop)
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return len;
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return len;
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if (_fdt_stringlist_contains(prop, len, compatible))
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if (fdt_stringlist_contains(prop, len, compatible))
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return 0;
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return 0;
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else
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else
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return 1;
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return 1;
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