CONFIG_MMC_RICOH_MMC: Ricoh MMC Controller Disabler

General informations

The Linux kernel configuration item CONFIG_MMC_RICOH_MMC has multiple definitions:

Ricoh MMC Controller Disabler found in drivers/mmc/host/Kconfig

The configuration item CONFIG_MMC_RICOH_MMC:

• prompt: Ricoh MMC Controller Disabler
• type: bool
• depends on: CONFIG_MMC_SDHCI_PCI
• defined in drivers/mmc/host/Kconfig
• found in Linux kernels: 3.9–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD
• modules built: ricoh_mmc

Help text

This adds a pci quirk to disable Ricoh MMC Controller. This proprietary controller is unnecessary because the SDHCI driver supports MMC cards on the SD controller, but if it is not disabled, it will steal the MMC cards away - rendering them useless. It is safe to select this even if you don't have a Ricoh based card reader.

If unsure, say Y.

Ricoh MMC Controller Disabler (EXPERIMENTAL) found in drivers/mmc/host/Kconfig

The configuration item CONFIG_MMC_RICOH_MMC:

• prompt: Ricoh MMC Controller Disabler (EXPERIMENTAL)
• type: bool
• depends on: CONFIG_MMC_SDHCI_PCI
• defined in drivers/mmc/host/Kconfig
• found in Linux kernels: 2.6.34–2.6.39, 3.0–3.8
• modules built: ricoh_mmc

Help text

This adds a pci quirk to disable Ricoh MMC Controller. This proprietary controller is unnecessary because the SDHCI driver supports MMC cards on the SD controller, but if it is not disabled, it will steal the MMC cards away - rendering them useless. It is safe to select this even if you don't have a Ricoh based card reader.

If unsure, say Y.

Ricoh MMC Controller Disabler (EXPERIMENTAL) found in drivers/mmc/host/Kconfig

The configuration item CONFIG_MMC_RICOH_MMC:

• prompt: Ricoh MMC Controller Disabler (EXPERIMENTAL)
• type: tristate
• depends on: CONFIG_MMC_SDHCI_PCI
• defined in drivers/mmc/host/Kconfig
• found in Linux kernels: 2.6.24–2.6.33
• modules built: ricoh_mmc

Help text

This selects the disabler for the Ricoh MMC Controller. This proprietary controller is unnecessary because the SDHCI driver supports MMC cards on the SD controller, but if it is not disabled, it will steal the MMC cards away - rendering them useless. It is safe to select this driver even if you don't have a Ricoh based card reader.

To compile this driver as a module, choose M here: the module will be called ricoh_mmc.

If unsure, say Y.

Hardware

PCI

Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:

• vendor: 1180 ("Ricoh Co Ltd"), device: 0843 ("R5C843 MMC Host Controller")

LKDDb

Raw data from LKDDb:

• lkddb module ricoh_mmc CONFIG_MMC_RICOH_MMC : drivers/mmc/host/Kconfig : "Ricoh MMC Controller Disabler (EXPERIMENTAL)" # in 2.6.24–2.6.33
• lkddb pci 1180 0843 .... .... ...... : CONFIG_MMC CONFIG_MMC_RICOH_MMC : drivers/mmc/host/ricoh_mmc.c # in 2.6.24–2.6.33

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)
• The Linux PCI ID Repository.

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