diff options
Diffstat (limited to 'common/fdt_support.c')
| -rw-r--r-- | common/fdt_support.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c index 19b2ef6ea4b..46aa84220b2 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -1196,13 +1196,13 @@ int fdt_alloc_phandle(void *blob) } /* - * fdt_create_phandle: Create a phandle property for the given node + * fdt_set_phandle: Create a phandle property for the given node * * @fdt: ptr to device tree * @nodeoffset: node to update * @phandle: phandle value to set (must be unique) -*/ -int fdt_create_phandle(void *fdt, int nodeoffset, uint32_t phandle) + */ +int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle) { int ret; @@ -1235,6 +1235,26 @@ int fdt_create_phandle(void *fdt, int nodeoffset, uint32_t phandle) return ret; } +/* + * fdt_create_phandle: Create a phandle property for the given node + * + * @fdt: ptr to device tree + * @nodeoffset: node to update + */ +int fdt_create_phandle(void *fdt, int nodeoffset) +{ + /* see if there is a phandle already */ + int phandle = fdt_get_phandle(fdt, nodeoffset); + + /* if we got 0, means no phandle so create one */ + if (phandle == 0) { + phandle = fdt_alloc_phandle(fdt); + fdt_set_phandle(fdt, nodeoffset, phandle); + } + + return phandle; +} + #if defined(CONFIG_VIDEO) int fdt_add_edid(void *blob, const char *compat, unsigned char *edid_buf) { |