bool "Power Management Debug Support"
depends on PM
---help---
- This option enables verbose debugging support in the Power Management
- code. This is helpful when debugging and reporting various PM bugs,
- like suspend support.
+ This option enables various debugging support in the Power Management
+ code. This is helpful when debugging and reporting PM bugs, like
+ suspend support.
-config DISABLE_CONSOLE_SUSPEND
- bool "Keep console(s) enabled during suspend/resume (DANGEROUS)"
- depends on PM && PM_DEBUG
+config PM_VERBOSE
+ bool "Verbose Power Management debugging"
+ depends on PM_DEBUG
default n
---help---
- This option turns off the console suspend mechanism that prevents
- debug messages from reaching the console during the suspend/resume
- operations. This may be helpful when debugging device drivers'
- suspend/resume routines, but may itself lead to problems, for example
- if netconsole is used.
+ This option enables verbose messages from the Power Management code.
+
+config CAN_PM_TRACE
+ def_bool y
+ depends on PM_DEBUG && PM_SLEEP && EXPERIMENTAL
config PM_TRACE
+ bool
+ help
+ This enables code to save the last PM event point across
+ reboot. The architecture needs to support this, x86 for
+ example does by saving things in the RTC, see below.
+
+ The architecture specific code must provide the extern
+ functions from <linux/resume-trace.h> as well as the
+ <asm/resume-trace.h> header with a TRACE_RESUME() macro.
+
+ The way the information is presented is architecture-
+ dependent, x86 will print the information during a
+ late_initcall.
+
+config PM_TRACE_RTC
bool "Suspend/resume event tracing"
- depends on PM && PM_DEBUG && X86_32 && EXPERIMENTAL
+ depends on CAN_PM_TRACE
+ depends on X86
+ select PM_TRACE
default n
---help---
This enables some cheesy code to save the last PM event point in the
CAUTION: this option will cause your machine's real-time clock to be
set to an invalid time after a resume.
-config SOFTWARE_SUSPEND
- bool "Software Suspend (Hibernation)"
- depends on PM && SWAP && (((X86 || PPC64_SWSUSP) && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP))
+config PM_SLEEP_SMP
+ bool
+ depends on SMP
+ depends on ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE
+ depends on PM_SLEEP
+ select HOTPLUG_CPU
+ default y
+
+config PM_SLEEP
+ bool
+ depends on SUSPEND || HIBERNATION
+ default y
+
+config SUSPEND
+ bool "Suspend to RAM and standby"
+ depends on PM && ARCH_SUSPEND_POSSIBLE
+ default y
+ ---help---
+ Allow the system to enter sleep states in which main memory is
+ powered and thus its contents are preserved, such as the
+ suspend-to-RAM state (e.g. the ACPI S3 state).
+
+config HIBERNATION
+ bool "Hibernation (aka 'suspend to disk')"
+ depends on PM && SWAP && ARCH_HIBERNATION_POSSIBLE
---help---
Enable the suspend to disk (STD) functionality, which is usually
called "hibernation" in user interfaces. STD checkpoints the
config PM_STD_PARTITION
string "Default resume partition"
- depends on SOFTWARE_SUSPEND
+ depends on HIBERNATION
default ""
---help---
The default resume partition is the partition that the suspend-
suspended image to. It will simply pick the first available swap
device.
-config SUSPEND_SMP
- bool
- depends on HOTPLUG_CPU && (X86 || PPC64) && PM
- default y
-
config APM_EMULATION
tristate "Advanced Power Management Emulation"
depends on PM && SYS_SUPPORTS_APM_EMULATION