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Commit fc583411 authored by Scott Wood's avatar Scott Wood Committed by Paul Mackerras
Browse files

[POWERPC] bootwrapper: Add ft_find_device_rel(). 



Add a function to look up a relative, rather than absolute, path name.

Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
Acked-by: default avatarMark A. Greer <mgreer@mvista.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 5adeef52

arch/powerpc/boot/flatdevtree.c

+13 −0
Original line number Diff line number Diff line
@@ -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;

arch/powerpc/boot/flatdevtree.h

+2 −0
Original line number Diff line number Diff line
@@ -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);