CONFIG_SATA_LPM_POLICY: Default SATA Link Power Management policy for low power chipsets

General informations

The Linux kernel configuration item CONFIG_SATA_LPM_POLICY:

• prompt: Default SATA Link Power Management policy for low power chipsets
• type: int
• depends on: CONFIG_SATA_AHCI
• defined in drivers/ata/Kconfig
• found in Linux kernels: 5.18-rc+HEAD

Help text

Select the Default SATA Link Power Management (LPM) policy to use for chipsets / "South Bridges" designated as supporting low power.

The value set has the following meanings: 0 => Keep firmware settings 1 => Maximum performance 2 => Medium power 3 => Medium power with Device Initiated PM enabled 4 => Minimum power

Note "Minimum power" is known to cause issues, including disk corruption, with some disks and should not be used.

Hardware

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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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