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Nama	Ukuran	Izin	Aksi
chips	-	0755	-
devices	-	0755	-
hyperbus	-	0755	-
lpddr	-	0755	-
maps	-	0755	-
nand	-	0755	-
parsers	-	0755	-
spi-nor	-	0755	-
tests	-	0755	-
ubi	-	0755	-
Kconfig	7.73 KB	0644	Edit Rename Delete
Makefile	964 B	0644	Edit Rename Delete

Edit File:Kconfig

menuconfig MTD
	tristate "Memory Technology Device (MTD) support"
	imply NVMEM
	help
	  Memory Technology Devices are flash, RAM and similar chips, often
	  used for solid state file systems on embedded devices. This option
	  will provide the generic support for MTD drivers to register
	  themselves with the kernel and for potential users of MTD devices
	  to enumerate the devices which are present and obtain a handle on
	  them. It will also allow you to select individual drivers for
	  particular hardware and users of MTD devices. If unsure, say N.

if MTD

config MTD_TESTS
	tristate "MTD tests support (DANGEROUS)"
	depends on m
	help
	  This option includes various MTD tests into compilation. The tests
	  should normally be compiled as kernel modules. The modules perform
	  various checks and verifications when loaded.

WARNING: some of the tests will ERASE entire MTD device which they
	  test. Do not use these tests unless you really know what you do.

menu "Partition parsers"
source "drivers/mtd/parsers/Kconfig"
endmenu

comment "User Modules And Translation Layers"

#
# MTD block device support is select'ed if needed
#
config MTD_BLKDEVS
	tristate

config MTD_BLOCK
	tristate "Caching block device access to MTD devices"
	depends on BLOCK
	select MTD_BLKDEVS
	help
	  Although most flash chips have an erase size too large to be useful
	  as block devices, it is possible to use MTD devices which are based
	  on RAM chips in this manner. This block device is a user of MTD
	  devices performing that function.

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,
	  this is very unsafe, but could be useful for file systems which are
	  almost never written to.

You do not need this option for use with the DiskOnChip devices. For
	  those, enable NFTL support (CONFIG_NFTL) instead.

config MTD_BLOCK_RO
	tristate "Readonly block device access to MTD devices"
	depends on MTD_BLOCK!=y && BLOCK
	select MTD_BLKDEVS
	help
	  This allows you to mount read-only file systems (such as cramfs)
	  from an MTD device, without the overhead (and danger) of the caching
	  driver.

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
	select MTD_BLKDEVS
	help
	  This provides support for the original Flash Translation Layer which
	  is part of the PCMCIA specification. It uses a kind of pseudo-
	  file system on a flash device to emulate a block device with
	  512-byte sectors, on top of which you put a 'normal' file system.

You may find that the algorithms used in this code are patented
	  unless you live in the Free World where software patents aren't
	  legal - in the USA you are only permitted to use this on PCMCIA
	  hardware, although under the terms of the GPL you're obviously
	  permitted to copy, modify and distribute the code as you wish. Just
	  not use it.

config NFTL
	tristate "NFTL (NAND Flash Translation Layer) support"
	depends on BLOCK
	select MTD_BLKDEVS
	help
	  This provides support for the NAND Flash Translation Layer which is
	  used on M-Systems' DiskOnChip devices. It uses a kind of pseudo-
	  file system on a flash device to emulate a block device with
	  512-byte sectors, on top of which you put a 'normal' file system.

You may find that the algorithms used in this code are patented
	  unless you live in the Free World where software patents aren't
	  legal - in the USA you are only permitted to use this on DiskOnChip
	  hardware, although under the terms of the GPL you're obviously
	  permitted to copy, modify and distribute the code as you wish. Just
	  not use it.

config NFTL_RW
	bool "Write support for NFTL"
	depends on NFTL
	help
	  Support for writing to the NAND Flash Translation Layer, as used
	  on the DiskOnChip.

config INFTL
	tristate "INFTL (Inverse NAND Flash Translation Layer) support"
	depends on BLOCK
	select MTD_BLKDEVS
	help
	  This provides support for the Inverse NAND Flash Translation
	  Layer which is used on M-Systems' newer DiskOnChip devices. It
	  uses a kind of pseudo-file system on a flash device to emulate
	  a block device with 512-byte sectors, on top of which you put
	  a 'normal' file system.

config RFD_FTL
	tristate "Resident Flash Disk (Flash Translation Layer) support"
	depends on BLOCK
	select MTD_BLKDEVS
	help
	  This provides support for the flash translation layer known
	  as the Resident Flash Disk (RFD), as used by the Embedded BIOS
	  of General Software. There is a blurb at:

http://www.gensw.com/pages/prod/bios/rfd.htm

config SSFDC
	tristate "NAND SSFDC (SmartMedia) read only translation layer"
	depends on BLOCK
	select MTD_BLKDEVS
	help
	  This enables read only access to SmartMedia formatted NAND
	  flash. You can mount it with FAT file system.

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
	  FTL (Flash translation layer).
	  Write support is only lightly tested, therefore this driver
	  isn't recommended to use with valuable data (anyway if you have
	  valuable data, do backups regardless of software/hardware you
	  use, because you never know what will eat your data...)
	  If you only need R/O access, you can use older R/O driver
	  (CONFIG_SSFDC)

config MTD_OOPS
	tristate "Log panic/oops to an MTD buffer"
	help
	  This enables panic and oops messages to be logged to a circular
	  buffer in a flash partition where it can be read back at some
	  later point.

config MTD_PSTORE
	tristate "Log panic/oops to an MTD buffer based on pstore"
	depends on PSTORE_BLK
	help
	  This enables panic and oops messages to be logged to a circular
	  buffer in a flash partition where it can be read back as files after
	  mounting pstore filesystem.

If unsure, say N.

config MTD_SWAP
	tristate "Swap on MTD device support"
	depends on MTD && SWAP
	select MTD_BLKDEVS
	help
	  Provides volatile block device driver on top of mtd partition
	  suitable for swapping.  The mapping of written blocks is not saved.
	  The driver provides wear leveling by storing erase counter into the
	  OOB.

config MTD_PARTITIONED_MASTER
	bool "Retain master device when partitioned"
	default n
	depends on MTD
	help
	  For historical reasons, by default, either a master is present or
	  several partitions are present, but not both. The concern was that
	  data listed in multiple partitions was dangerous; however, SCSI does
	  this and it is frequently useful for applications. This config option
	  leaves the master in even if the device is partitioned. It also makes
	  the parent of the partition device be the master device, rather than
	  what lies behind the master.

source "drivers/mtd/chips/Kconfig"

source "drivers/mtd/maps/Kconfig"

source "drivers/mtd/devices/Kconfig"

source "drivers/mtd/nand/Kconfig"

source "drivers/mtd/lpddr/Kconfig"

source "drivers/mtd/spi-nor/Kconfig"

source "drivers/mtd/ubi/Kconfig"

source "drivers/mtd/hyperbus/Kconfig"

endif # MTD

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current directory: / / usr / src / linux-headers-5.15.0-140 / drivers / mtd

Edit File:Kconfig