static int mtd_nvmem_add(struct mtd_info *mtd)
{
+ struct device_node *node = mtd_get_of_node(mtd);
struct nvmem_config config = {};
config.id = -1;
config.stride = 1;
config.read_only = true;
config.root_only = true;
- config.no_of_node = true;
+ config.no_of_node = !of_device_is_compatible(node, "nvmem-cells");
config.priv = mtd;
mtd->nvmem = nvmem_register(&config);
/* Prefer parsed partitions over driver-provided fallback */
ret = parse_mtd_partitions(mtd, types, parser_data);
+ if (ret == -EPROBE_DEFER)
+ goto out;
+
if (ret > 0)
ret = 0;
else if (nr_parts)
EXPORT_SYMBOL_GPL(mtd_read_user_prot_reg);
int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, size_t len,
- size_t *retlen, u_char *buf)
+ size_t *retlen, const u_char *buf)
{
struct mtd_info *master = mtd_get_master(mtd);
int ret;
}
EXPORT_SYMBOL_GPL(mtd_lock_user_prot_reg);
+int mtd_erase_user_prot_reg(struct mtd_info *mtd, loff_t from, size_t len)
+{
+ struct mtd_info *master = mtd_get_master(mtd);
+
+ if (!master->_erase_user_prot_reg)
+ return -EOPNOTSUPP;
+ if (!len)
+ return 0;
+ return master->_erase_user_prot_reg(master, from, len);
+}
+EXPORT_SYMBOL_GPL(mtd_erase_user_prot_reg);
+
/* Chip-supported device locking */
int mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
/*====================================================================*/
/* Init code */
-static struct backing_dev_info * __init mtd_bdi_init(char *name)
+static struct backing_dev_info * __init mtd_bdi_init(const char *name)
{
struct backing_dev_info *bdi;
int ret;