CONFIG_MTD_CHAR: Direct char device access to MTD devices

General informations

The Linux kernel configuration item CONFIG_MTD_CHAR has multiple definitions:

Direct char device access to MTD devices found in drivers/mtd/Kconfig

The configuration item CONFIG_MTD_CHAR:

• prompt: Direct char device access to MTD devices
• type: tristate
• depends on: (none)
• defined in drivers/mtd/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.9
• modules built: mtdchar, mtdchar, mtdchar

Help text

This provides a character device for each MTD device present in the system, allowing the user to read and write directly to the memory chips, and also use ioctl() to obtain information about the device, or to erase parts of it.

found in arch/cris/arch-v10/drivers/Kconfig

The configuration item CONFIG_MTD_CHAR:

• prompt:
• type: tristate
• depends on: CONFIG_ETRAX_AXISFLASHMAP
• defined in arch/cris/arch-v10/drivers/Kconfig
• found in Linux kernels: 2.5.75, 2.6.0–2.6.12
• modules built: mtdchar, mtdchar, mtdchar

Help text

This provides a character device for each MTD device present in the system, allowing the user to read and write directly to the memory chips, and also use ioctl() to obtain information about the device, or to erase parts of it.

found in arch/cris/drivers/Kconfig

The configuration item CONFIG_MTD_CHAR:

• prompt:
• type: tristate
• depends on: CONFIG_ETRAX_AXISFLASHMAP
• defined in arch/cris/drivers/Kconfig
• found in Linux kernels: 2.5.45–2.5.74
• modules built: mtdchar, mtdchar, mtdchar

Help text

This provides a character device for each MTD device present in the system, allowing the user to read and write directly to the memory chips, and also use ioctl() to obtain information about the device, or to erase parts of it.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb fs "mtd_inodefs" : CONFIG_MTD CONFIG_MTD_CHAR : drivers/mtd/mtdchar.c # in 2.6.35–2.6.39, 3.0–3.9
• lkddb module mtdchar CONFIG_MTD_CHAR : arch/cris/arch-v10/drivers/Kconfig : "" # in 2.5.75, 2.6.0–2.6.12
• lkddb module mtdchar CONFIG_MTD_CHAR : arch/cris/drivers/Kconfig : "" # in 2.5.45–2.5.74
• lkddb module mtdchar CONFIG_MTD_CHAR : drivers/mtd/Kconfig : "Direct char device access to MTD devices" # in 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.9

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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