From fc583411617bf8a466c68350697a806704e88fc3 Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Mon, 12 Mar 2007 14:41:53 -0600 Subject: [PATCH] [POWERPC] bootwrapper: Add ft_find_device_rel(). Add a function to look up a relative, rather than absolute, path name. Signed-off-by: Scott Wood Acked-by: Mark A. Greer Signed-off-by: Paul Mackerras --- arch/powerpc/boot/flatdevtree.c | 13 +++++++++++++ arch/powerpc/boot/flatdevtree.h | 2 ++ 2 files changed, 15 insertions(+) diff --git a/arch/powerpc/boot/flatdevtree.c b/arch/powerpc/boot/flatdevtree.c index e319a6502918..bd006f75e5ed 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 b9cd9f61f351..1f37ca2d34f6 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); -- 2.20.1