diff options
Diffstat (limited to 'drivers/mtd/Kconfig')
| -rw-r--r-- | drivers/mtd/Kconfig | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index 6ddab796216d..796a2eccbef0 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -45,10 +45,9 @@ config MTD_BLOCK on RAM chips in this manner. This block device is a user of MTD devices performing that function. - At the moment, it is also required for the Journalling Flash File - System(s) to obtain a handle on the MTD device when it's mounted - (although JFFS and JFFS2 don't actually use any of the functionality - of the mtdblock device). + Note that mounting a JFFS2 filesystem doesn't require using mtdblock. + It's possible to mount a rootfs using the MTD device on the "root=" + bootargs as "root=mtd2" or "root=mtd:name_of_device". Later, it may be extended to perform read/erase/modify/write cycles on flash chips to emulate a smaller block size. Needless to say, @@ -70,6 +69,9 @@ config MTD_BLOCK_RO You do not need this option for use with the DiskOnChip devices. For those, enable NFTL support (CONFIG_NFTL) instead. +comment "Note that in some cases UBI block is preferred. See MTD_UBI_BLOCK." + depends on MTD_BLOCK || MTD_BLOCK_RO + config FTL tristate "FTL (Flash Translation Layer) support" depends on BLOCK @@ -152,6 +154,7 @@ config SM_FTL tristate "SmartMedia/xD new translation layer" depends on BLOCK select MTD_BLKDEVS + select MTD_NAND_CORE select MTD_NAND_ECC_SW_HAMMING help This enables EXPERIMENTAL R/W support for SmartMedia/xD |