UBI: Change the default percentage of reserved PEB

The actual value (1%) is too low for actual NAND devices, a huge
majority of device has 2% maximum bad blocks (SLC or MLC).
(Actually it's 20 blocks on a 1024 blocks device, 40/2048...)

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>

diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig
index 738ee8d..ea4b95b 100644 (file)
--- a/drivers/mtd/ubi/Kconfig
+++ b/drivers/mtd/ubi/Kconfig
@@ -29,7 +29,7 @@ config MTD_UBI_WL_THRESHOLD
 
 config MTD_UBI_BEB_RESERVE
        int "Percentage of reserved eraseblocks for bad eraseblocks handling"
-       default 1
+       default 2
        range 0 25
        help
          If the MTD device admits of bad eraseblocks (e.g. NAND flash), UBI