Lines Matching refs:offset
75 const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len) in fdt_offset_ptr() argument
77 unsigned absoffset = offset + fdt_off_dt_struct(fdt); in fdt_offset_ptr()
79 if ((absoffset < offset) in fdt_offset_ptr()
85 if (((offset + len) < offset) in fdt_offset_ptr()
86 || ((offset + len) > fdt_size_dt_struct(fdt))) in fdt_offset_ptr()
89 return _fdt_offset_ptr(fdt, offset); in fdt_offset_ptr()
96 int offset = startoffset; in fdt_next_tag() local
100 tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE); in fdt_next_tag()
104 offset += FDT_TAGSIZE; in fdt_next_tag()
111 p = fdt_offset_ptr(fdt, offset++, 1); in fdt_next_tag()
118 lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp)); in fdt_next_tag()
122 offset += sizeof(struct fdt_property) - FDT_TAGSIZE in fdt_next_tag()
135 if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset)) in fdt_next_tag()
138 *nextoffset = FDT_TAGALIGN(offset); in fdt_next_tag()
142 int _fdt_check_node_offset(const void *fdt, int offset) in _fdt_check_node_offset() argument
144 if ((offset < 0) || (offset % FDT_TAGSIZE) in _fdt_check_node_offset()
145 || (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE)) in _fdt_check_node_offset()
148 return offset; in _fdt_check_node_offset()
151 int _fdt_check_prop_offset(const void *fdt, int offset) in _fdt_check_prop_offset() argument
153 if ((offset < 0) || (offset % FDT_TAGSIZE) in _fdt_check_prop_offset()
154 || (fdt_next_tag(fdt, offset, &offset) != FDT_PROP)) in _fdt_check_prop_offset()
157 return offset; in _fdt_check_prop_offset()
160 int fdt_next_node(const void *fdt, int offset, int *depth) in fdt_next_node() argument
165 if (offset >= 0) in fdt_next_node()
166 if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0) in fdt_next_node()
170 offset = nextoffset; in fdt_next_node()
171 tag = fdt_next_tag(fdt, offset, &nextoffset); in fdt_next_node()
197 return offset; in fdt_next_node()
200 int fdt_first_subnode(const void *fdt, int offset) in fdt_first_subnode() argument
204 offset = fdt_next_node(fdt, offset, &depth); in fdt_first_subnode()
205 if (offset < 0 || depth != 1) in fdt_first_subnode()
208 return offset; in fdt_first_subnode()
211 int fdt_next_subnode(const void *fdt, int offset) in fdt_next_subnode() argument
220 offset = fdt_next_node(fdt, offset, &depth); in fdt_next_subnode()
221 if (offset < 0 || depth < 1) in fdt_next_subnode()
225 return offset; in fdt_next_subnode()