diff options
Diffstat (limited to 'drivers/ata/Kconfig')
| -rw-r--r-- | drivers/ata/Kconfig | 69 |
1 files changed, 42 insertions, 27 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 42b51c9812a0..120a2b7067fc 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -116,25 +116,40 @@ config SATA_AHCI If unsure, say N. config SATA_MOBILE_LPM_POLICY - int "Default SATA Link Power Management policy for low power chipsets" - range 0 4 - default 0 + int "Default SATA Link Power Management policy" + range 0 5 + default 3 depends on SATA_AHCI help Select the Default SATA Link Power Management (LPM) policy to use for chipsets / "South Bridges" supporting low-power modes. Such - chipsets are typically found on most laptops but desktops and - servers now also widely use chipsets supporting low power modes. - - The value set has the following meanings: + chipsets are ubiquitous across laptops, desktops and servers. + Each policy combines power saving states and features: + - Partial: The Phy logic is powered but is in a reduced power + state. The exit latency from this state is no longer than + 10us). + - Slumber: The Phy logic is powered but is in an even lower power + state. The exit latency from this state is potentially + longer, but no longer than 10ms. + - DevSleep: The Phy logic may be powered down. The exit latency from + this state is no longer than 20 ms, unless otherwise + specified by DETO in the device Identify Device Data log. + - HIPM: Host Initiated Power Management (host automatically + transitions to partial and slumber). + - DIPM: Device Initiated Power Management (device automatically + transitions to partial and slumber). + + The possible values for the default SATA link power management + policies are: 0 => Keep firmware settings - 1 => Maximum performance - 2 => Medium power - 3 => Medium power with Device Initiated PM enabled - 4 => Minimum power + 1 => No power savings (maximum performance) + 2 => HIPM (Partial) + 3 => HIPM (Partial) and DIPM (Partial and Slumber) + 4 => HIPM (Partial and DevSleep) and DIPM (Partial and Slumber) + 5 => HIPM (Slumber and DevSleep) and DIPM (Partial and Slumber) - Note "Minimum power" is known to cause issues, including disk - corruption, with some disks and should not be used. + Excluding the value 0, higher values represent policies with higher + power savings. config SATA_AHCI_PLATFORM tristate "Platform AHCI SATA support" @@ -557,7 +572,7 @@ comment "PATA SFF controllers with BMDMA" config PATA_ALI tristate "ALi PATA support" - depends on PCI + depends on PCI && HAS_IOPORT select PATA_TIMINGS help This option enables support for the ALi ATA interfaces @@ -567,7 +582,7 @@ config PATA_ALI config PATA_AMD tristate "AMD/NVidia PATA support" - depends on PCI + depends on PCI && HAS_IOPORT select PATA_TIMINGS help This option enables support for the AMD and NVidia PATA @@ -585,7 +600,7 @@ config PATA_ARASAN_CF config PATA_ARTOP tristate "ARTOP 6210/6260 PATA support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for ARTOP PATA controllers. @@ -612,7 +627,7 @@ config PATA_ATP867X config PATA_CMD64X tristate "CMD64x PATA support" - depends on PCI + depends on PCI && HAS_IOPORT select PATA_TIMINGS help This option enables support for the CMD64x series chips @@ -659,7 +674,7 @@ config PATA_CS5536 config PATA_CYPRESS tristate "Cypress CY82C693 PATA support (Very Experimental)" - depends on PCI + depends on PCI && HAS_IOPORT select PATA_TIMINGS help This option enables support for the Cypress/Contaq CY82C693 @@ -707,7 +722,7 @@ config PATA_HPT366 config PATA_HPT37X tristate "HPT 370/370A/371/372/374/302 PATA support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the majority of the later HPT PATA controllers via the new ATA layer. @@ -716,7 +731,7 @@ config PATA_HPT37X config PATA_HPT3X2N tristate "HPT 371N/372N/302N PATA support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the N variant HPT PATA controllers via the new ATA layer. @@ -819,7 +834,7 @@ config PATA_MPC52xx config PATA_NETCELL tristate "NETCELL Revolution RAID support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the Netcell Revolution RAID PATA controller. @@ -855,7 +870,7 @@ config PATA_OLDPIIX config PATA_OPTIDMA tristate "OPTI FireStar PATA support (Very Experimental)" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables DMA/PIO support for the later OPTi controllers found on some old motherboards and in some @@ -865,7 +880,7 @@ config PATA_OPTIDMA config PATA_PDC2027X tristate "Promise PATA 2027x support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for Promise PATA pdc20268 to pdc20277 host adapters. @@ -873,7 +888,7 @@ config PATA_PDC2027X config PATA_PDC_OLD tristate "Older Promise PATA controller support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the Promise 20246, 20262, 20263, 20265 and 20267 adapters. @@ -901,7 +916,7 @@ config PATA_RDC config PATA_SC1200 tristate "SC1200 PATA support" - depends on PCI && (X86_32 || COMPILE_TEST) + depends on PCI && (X86_32 || COMPILE_TEST) && HAS_IOPORT help This option enables support for the NatSemi/AMD SC1200 SoC companion chip used with the Geode processor family. @@ -919,7 +934,7 @@ config PATA_SCH config PATA_SERVERWORKS tristate "SERVERWORKS OSB4/CSB5/CSB6/HT1000 PATA support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the Serverworks OSB4/CSB5/CSB6 and HT1000 PATA controllers, via the new ATA layer. @@ -1183,7 +1198,7 @@ config ATA_GENERIC config PATA_LEGACY tristate "Legacy ISA PATA support (Experimental)" - depends on (ISA || PCI) + depends on (ISA || PCI) && HAS_IOPORT select PATA_TIMINGS help This option enables support for ISA/VLB/PCI bus legacy PATA |