Diffstat (limited to 'drivers/ata/Kconfig')
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index cb5339166563..b3fad5663aeb 100644
@@ -92,6 +92,25 @@ config SATA_AHCI
If unsure, say N.
+ int "Default SATA Link Power Management policy for mobile chipsets"
+ range 0 4
+ default 0
+ depends on SATA_AHCI
+ Select the Default SATA Link Power Management (LPM) policy to use
+ for mobile / laptop variants of chipsets / "South Bridges".
+ 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.
tristate "Platform AHCI SATA support"