linux/kernel/resource.c

188 /* Return the conflict entry if you can't request it */
281  * Returns 0 for success, conflict resource on error.
285 	struct resource *conflict;
288 	conflict = __request_resource(root, new);
290 	return conflict;
302 	struct resource *conflict;
304 	conflict = request_resource_conflict(root, new);
305 	return conflict ? -EBUSY : 0;
824 	struct resource *conflict;
848 		conflict = __request_resource(root, old);
849 		BUG_ON(conflict);
979  * Returns 0 on success, conflict resource if the resource can't be inserted.
981  * This function is equivalent to request_resource_conflict when no conflict
982  * happens. If a conflict happens, and the conflicting resources
992 	struct resource *conflict;
995 	conflict = __insert_resource(parent, new);
997 	return conflict;
1012 	struct resource *conflict;
1014 	conflict = insert_resource_conflict(parent, new);
1015 	return conflict ? -EBUSY : 0;
1034 		struct resource *conflict;
1036 		conflict = __insert_resource(root, new);
1037 		if (!conflict)
1039 		if (conflict == root)
1042 		/* Ok, expand resource to cover the conflict, then try again .. */
1043 		if (conflict->start < new->start)
1044 			new->start = conflict->start;
1045 		if (conflict->end > new->end)
1046 			new->end = conflict->end;
1048 		pr_info("Expanded resource %s due to conflict with %s\n", new->name, conflict->name);
1150 	struct resource *conflict;
1166 		conflict = __request_resource(parent, res);
1167 		if (!conflict) {
1175 		/* conflict covered whole area */
1176 		if (conflict->start <= res->start &&
1177 				conflict->end >= res->end) {
1184 		if (conflict->start > res->start) {
1186 			res->end = conflict->start - 1;
1187 			if (conflict->end < end) {
1194 				next_res->start = conflict->end + 1;
1200 			res->start = conflict->end + 1;
1326 		struct resource *conflict;
1332 		conflict = __request_resource(parent, res);
1333 		if (!conflict)
1341 		    conflict->desc == IORES_DESC_DEVICE_PRIVATE_MEMORY) {
1343 				conflict->name, conflict, res);
1345 		if (conflict != parent) {
1346 			if (!(conflict->flags & IORESOURCE_BUSY)) {
1347 				parent = conflict;
1351 		if (conflict->flags & flags & IORESOURCE_MUXED) {
1682  * When a conflict is detected between any existing resources and the newly
1690 	struct resource *conflict, **ptr;
1698 	conflict = request_resource_conflict(root, new);
1699 	if (conflict) {
1701 			new, conflict->name, conflict);