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#define mtd_device_register(master, parts, nr_parts)?? ?\
?? ?mtd_device_parse_register(master, NULL, NULL, parts, nr_parts)
int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types,
?? ??? ??? ?????? struct mtd_part_parser_data *parser_data,
?? ??? ??? ?????? const struct mtd_partition *parts,
?? ??? ??? ?????? int nr_parts)
{
?? ?struct mtd_partitions parsed;
?? ?int ret;
?? ?mtd_set_dev_defaults(mtd);
?? ?memset(&parsed, 0, sizeof(parsed));
?? ?ret = parse_mtd_partitions(mtd, types, &parsed, parser_data);
?? ?if ((ret < 0 || parsed.nr_parts == 0) && parts && nr_parts) {
?? ??? ?/* Fall back to driver-provided partitions */
?? ??? ?parsed = (struct mtd_partitions){
?? ??? ??? ?.parts?? ??? ?= parts,
?? ??? ??? ?.nr_parts?? ?= nr_parts,
?? ??? ?};
?? ?} else if (ret < 0) {
?? ??? ?/* Didn't come up with parsed OR fallback partitions */
?? ??? ?pr_info("mtd: failed to find partitions; one or more parsers reports errors (%d)\n",
?? ??? ??? ?ret);
?? ??? ?/* Don't abort on errors; we can still use unpartitioned MTD */
?? ??? ?memset(&parsed, 0, sizeof(parsed));
?? ?}
?? ?ret = mtd_add_device_partitions(mtd, &parsed);
?? ?if (ret)
?? ??? ?goto out;
?? ?/*
?? ? * FIXME: some drivers unfortunately call this function more than once.
?? ? * So we have to check if we've already assigned the reboot notifier.
?? ? *
?? ? * Generally, we can make multiple calls work for most cases, but it
?? ? * does cause problems with parse_mtd_partitions() above (e.g.,
?? ? * cmdlineparts will register partitions more than once).
?? ? */
?? ?WARN_ONCE(mtd->_reboot && mtd->reboot_notifier.notifier_call,
?? ??? ?? "MTD already registered\n");
?? ?if (mtd->_reboot && !mtd->reboot_notifier.notifier_call) {
?? ??? ?mtd->reboot_notifier.notifier_call = mtd_reboot_notifier;
?? ??? ?register_reboot_notifier(&mtd->reboot_notifier);
?? ?}
out:
?? ?/* Cleanup any parsed partitions */
?? ?mtd_part_parser_cleanup(&parsed);
?? ?return ret;
}
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