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Commit 86fd03d1 authored by Zhang Rui's avatar Zhang Rui Committed by Rafael J. Wysocki
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PM / Documentation: remove inaccurate suspend/hibernate transition lantency statement 



The lantency of the transition from suspend and hibernate is
platform-dependent.  Thus we should not refer the lantency in the
documentation.

Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent dc5aeae4

Documentation/power/states.txt

+0 −10
Original line number Original line Diff line number Diff line
@@ -36,9 +36,6 @@ We try to put devices in a low-power state equivalent to D1, which 
also offers low power savings, but low resume latency. Not all devices

also offers low power savings, but low resume latency. Not all devices

support D1, and those that don't are left on. 

support D1, and those that don't are left on. 





A transition from Standby to the On state should take about 1-2

seconds. 







State:		Suspend-to-RAM

State:		Suspend-to-RAM

ACPI State:	S3

ACPI State:	S3
@@ -56,9 +53,6 @@ transition back to the On state. 
For at least ACPI, STR requires some minimal boot-strapping code to

For at least ACPI, STR requires some minimal boot-strapping code to

resume the system from STR. This may be true on other platforms. 

resume the system from STR. This may be true on other platforms. 





A transition from Suspend-to-RAM to the On state should take about

3-5 seconds. 







State:		Suspend-to-disk

State:		Suspend-to-disk

ACPI State:	S4

ACPI State:	S4
@@ -88,7 +82,3 @@ low-power state (like ACPI S4), or it may simply power down. Powering 
down offers greater savings, and allows this mechanism to work on any

down offers greater savings, and allows this mechanism to work on any

system. However, entering a real low-power state allows the user to

system. However, entering a real low-power state allows the user to

trigger wake up events (e.g. pressing a key or opening a laptop lid).
 
trigger wake up events (e.g. pressing a key or opening a laptop lid).
 


A transition from Suspend-to-Disk to the On state should take about 30

seconds, though it's typically a bit more with the current

implementation.