[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 <scottwood@freescale.com> Acked-by: Mark A. Greer <mgreer@mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
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@ -654,6 +654,19 @@ void *ft_find_device(struct ft_cxt *cxt, const char *srch_path)
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return ft_get_phandle(cxt, node);
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}
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void *ft_find_device_rel(struct ft_cxt *cxt, const void *top,
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const char *srch_path)
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{
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char *node;
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node = ft_node_ph2node(cxt, top);
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if (node == NULL)
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return NULL;
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node = ft_find_descendent(cxt, node, srch_path);
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return ft_get_phandle(cxt, node);
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}
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void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path)
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{
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struct ft_atom atom;
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@ -97,6 +97,8 @@ int ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size);
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void ft_dump_blob(const void *bphp);
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void ft_merge_blob(struct ft_cxt *cxt, void *blob);
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void *ft_find_device(struct ft_cxt *cxt, const char *srch_path);
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void *ft_find_device_rel(struct ft_cxt *cxt, const void *top,
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const char *srch_path);
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void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path);
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int ft_get_prop(struct ft_cxt *cxt, const void *phandle, const char *propname,
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void *buf, const unsigned int buflen);
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