diff options
| -rw-r--r-- | arch/powerpc/boot/flatdevtree.c | 13 | ||||
| -rw-r--r-- | arch/powerpc/boot/flatdevtree.h | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/boot/flatdevtree.c b/arch/powerpc/boot/flatdevtree.c index e319a650291..bd006f75e5e 100644 --- a/arch/powerpc/boot/flatdevtree.c +++ b/arch/powerpc/boot/flatdevtree.c @@ -654,6 +654,19 @@ void *ft_find_device(struct ft_cxt *cxt, const char *srch_path) return ft_get_phandle(cxt, node); } +void *ft_find_device_rel(struct ft_cxt *cxt, const void *top, + const char *srch_path) +{ + char *node; + + node = ft_node_ph2node(cxt, top); + if (node == NULL) + return NULL; + + node = ft_find_descendent(cxt, node, srch_path); + return ft_get_phandle(cxt, node); +} + void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path) { struct ft_atom atom; diff --git a/arch/powerpc/boot/flatdevtree.h b/arch/powerpc/boot/flatdevtree.h index b9cd9f61f35..1f37ca2d34f 100644 --- a/arch/powerpc/boot/flatdevtree.h +++ b/arch/powerpc/boot/flatdevtree.h @@ -97,6 +97,8 @@ int ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); void ft_dump_blob(const void *bphp); void ft_merge_blob(struct ft_cxt *cxt, void *blob); void *ft_find_device(struct ft_cxt *cxt, const char *srch_path); +void *ft_find_device_rel(struct ft_cxt *cxt, const void *top, + const char *srch_path); void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path); int ft_get_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, void *buf, const unsigned int buflen); |