--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
-@@ -457,13 +457,6 @@ int add_mtd_blktrans_dev(struct mtd_blkt
+@@ -384,13 +384,6 @@ int add_mtd_blktrans_dev(struct mtd_blkt
if (new->readonly)
set_disk_ro(gd, 1);
- WARN_ON(ret);
- }
return 0;
- error4:
- kfree(new->tag_set);
-@@ -475,6 +468,27 @@ error1:
+
+ out_free_tag_set:
+@@ -402,6 +395,27 @@ out_list_del:
return ret;
}
+
+ list_for_each_entry(tr, &blktrans_majors, list) {
+ list_for_each_entry_safe(dev, next, &tr->devs, list) {
-+ if (dev->disk->flags & GENHD_FL_UP)
++ if (disk_live(dev->disk))
+ continue;
+
+ device_add_disk(&dev->mtd->dev, dev->disk, NULL);
unsigned long flags;
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
-@@ -31,6 +31,7 @@
+@@ -32,6 +32,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include "mtdcore.h"
-@@ -851,6 +852,8 @@ int mtd_device_parse_register(struct mtd
+@@ -1082,6 +1083,8 @@ int mtd_device_parse_register(struct mtd
register_reboot_notifier(&mtd->reboot_notifier);
}
+ register_mtd_blktrans_devs();
+
out:
- if (ret && device_is_registered(&mtd->dev))
- del_mtd_device(mtd);
+ if (ret) {
+ nvmem_unregister(mtd->otp_user_nvmem);
--- a/include/linux/mtd/blktrans.h
+++ b/include/linux/mtd/blktrans.h
-@@ -76,6 +76,6 @@ extern int deregister_mtd_blktrans(struc
+@@ -76,6 +76,7 @@ extern int deregister_mtd_blktrans(struc
extern int add_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
extern int del_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
extern int mtd_blktrans_cease_background(struct mtd_blktrans_dev *dev);
--
+extern void register_mtd_blktrans_devs(void);
- #endif /* __MTD_TRANS_H__ */
+ /**
+ * module_mtd_blktrans() - Helper macro for registering a mtd blktrans driver