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Lines Matching refs:offset

116 const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
118 	unsigned absoffset = offset + fdt_off_dt_struct(fdt);
120 	if ((absoffset < offset)
126 		if (((offset + len) < offset)
127 		    || ((offset + len) > fdt_size_dt_struct(fdt)))
130 	return fdt_offset_ptr_(fdt, offset);
137 	int offset = startoffset;
141 	tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);
145 	offset += FDT_TAGSIZE;
152 			p = fdt_offset_ptr(fdt, offset++, 1);
159 		lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));
162 		/* skip-name offset, length and value */
163 		offset += sizeof(struct fdt_property) - FDT_TAGSIZE
166 		    ((offset - fdt32_to_cpu(*lenp)) % 8) != 0)
167 			offset += 4;
179 	if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset))
182 	*nextoffset = FDT_TAGALIGN(offset);
186 int fdt_check_node_offset_(const void *fdt, int offset)
188 	if ((offset < 0) || (offset % FDT_TAGSIZE)
189 	    || (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))
192 	return offset;
195 int fdt_check_prop_offset_(const void *fdt, int offset)
197 	if ((offset < 0) || (offset % FDT_TAGSIZE)
198 	    || (fdt_next_tag(fdt, offset, &offset) != FDT_PROP))
201 	return offset;
204 int fdt_next_node(const void *fdt, int offset, int *depth)
209 	if (offset >= 0)
210 		if ((nextoffset = fdt_check_node_offset_(fdt, offset)) < 0)
214 		offset = nextoffset;
215 		tag = fdt_next_tag(fdt, offset, &nextoffset);
241 	return offset;
244 int fdt_first_subnode(const void *fdt, int offset)
248 	offset = fdt_next_node(fdt, offset, &depth);
249 	if (offset < 0 || depth != 1)
252 	return offset;
255 int fdt_next_subnode(const void *fdt, int offset)
264 		offset = fdt_next_node(fdt, offset, &depth);
265 		if (offset < 0 || depth < 1)
269 	return offset;