X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=kernel%2Fpower%2FKconfig;fp=kernel%2Fpower%2FKconfig;h=ed296225dcd4a66119d6785d64ddd488cc77f24c;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=53a12822abe66e303945e09b1e825eb77f7f9b99;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 53a12822a..ed296225d 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -20,13 +20,14 @@ config PM
 	  sending the processor to sleep and saving power.
 
 config PM_LEGACY
-	bool "Legacy Power Management API"
+	bool "Legacy Power Management API (DEPRECATED)"
 	depends on PM
-	default y
+	default n
 	---help---
-	   Support for pm_register() and friends.
+	   Support for pm_register() and friends.  This old API is obsoleted
+	   by the driver model.
 
-	   If unsure, say Y.
+	   If unsure, say N.
 
 config PM_DEBUG
 	bool "Power Management Debug Support"
@@ -36,12 +37,52 @@ config PM_DEBUG
 	code. This is helpful when debugging and reporting various PM bugs, 
 	like suspend support.
 
+config DISABLE_CONSOLE_SUSPEND
+	bool "Keep console(s) enabled during suspend/resume (DANGEROUS)"
+	depends on PM && 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.
+
+config PM_TRACE
+	bool "Suspend/resume event tracing"
+	depends on PM && PM_DEBUG && X86_32 && EXPERIMENTAL
+	default n
+	---help---
+	This enables some cheesy code to save the last PM event point in the
+	RTC across reboots, so that you can debug a machine that just hangs
+	during suspend (or more commonly, during resume).
+
+	To use this debugging feature you should attempt to suspend the machine,
+	then reboot it, then run
+
+		dmesg -s 1000000 | grep 'hash matches'
+
+	CAUTION: this option will cause your machine's real-time clock to be
+	set to an invalid time after a resume.
+
+config PM_SYSFS_DEPRECATED
+	bool "Driver model /sys/devices/.../power/state files (DEPRECATED)"
+	depends on PM && SYSFS
+	default n
+	help
+	  The driver model started out with a sysfs file intended to provide
+	  a userspace hook for device power management.  This feature has never
+	  worked very well, except for limited testing purposes, and so it will
+	  be removed.   It's not clear that a generic mechanism could really
+	  handle the wide variability of device power states; any replacements
+	  are likely to be bus or driver specific.
+
 config SOFTWARE_SUSPEND
 	bool "Software Suspend"
-	depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)
+	depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP))
 	---help---
 	  Enable the possibility of suspending the machine.
-	  It doesn't need APM.
+	  It doesn't need ACPI or APM.
 	  You may suspend your machine by 'swsusp' or 'shutdown -z <time>' 
 	  (patch for sysvinit needed). 
 
@@ -60,6 +101,10 @@ config SOFTWARE_SUSPEND
 
 	  For more information take a look at <file:Documentation/power/swsusp.txt>.
 
+	  (For now, swsusp is incompatible with PAE aka HIGHMEM_64G on i386.
+	  we need identity mapping for resume to work, and that is trivial
+	  to get with 4MB pages, but less than trivial on PAE).
+
 config PM_STD_PARTITION
 	string "Default resume partition"
 	depends on SOFTWARE_SUSPEND