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-rw-r--r--drivers/mtd/ubi/scan.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 204345be8e6..79ca304fc4d 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -953,6 +953,10 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
* impossible to distinguish it from a PEB which just
* contains garbage because of a power cut during erase
* operation. So we just schedule this PEB for erasure.
+ *
+ * Besides, in case of NOR flash, we deliberatly
+ * corrupt both headers because NOR flash erasure is
+ * slow and can start from the end.
*/
err = 0;
else