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-rw-r--r--drivers/mtd/ubi/Kconfig9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig
index b9daf159a4a7..3f063108e95f 100644
--- a/drivers/mtd/ubi/Kconfig
+++ b/drivers/mtd/ubi/Kconfig
@@ -24,8 +24,13 @@ config MTD_UBI_WL_THRESHOLD
24 erase counter value and the lowest erase counter value of eraseblocks 24 erase counter value and the lowest erase counter value of eraseblocks
25 of UBI devices. When this threshold is exceeded, UBI starts performing 25 of UBI devices. When this threshold is exceeded, UBI starts performing
26 wear leveling by means of moving data from eraseblock with low erase 26 wear leveling by means of moving data from eraseblock with low erase
27 counter to eraseblocks with high erase counter. Leave the default 27 counter to eraseblocks with high erase counter.
28 value if unsure. 28
29 The default value should be OK for SLC NAND flashes, NOR flashes and
30 other flashes which have eraseblock life-cycle 100000 or more.
31 However, in case of MLC NAND flashes which typically have eraseblock
32 life-cycle less then 10000, the threshold should be lessened (e.g.,
33 to 128 or 256, although it does not have to be power of 2).
29 34
30config MTD_UBI_BEB_RESERVE 35config MTD_UBI_BEB_RESERVE
31 int "Percentage of reserved eraseblocks for bad eraseblocks handling" 36 int "Percentage of reserved eraseblocks for bad eraseblocks handling"