Suspend: Clean up Kconfig (V2)

This cleans up the suspend Kconfig and removes the need to
declare centrally which architectures support suspend. All
architectures that currently support suspend are modified
accordingly.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Pavel Machek <pavel@suse.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>

8 files changed, 31 insertions, 18 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 77201d3f747..a00d8b97c30 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1035,6 +1035,9 @@ menu "Power management options"
 
 source "kernel/power/Kconfig"
 
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+
 endmenu
 
 source "net/Kconfig"
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index fc7ca86ac8b..4802eb767dc 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -898,6 +898,10 @@ endmenu
 menu "Power management options"
 source "kernel/power/Kconfig"
 
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+	depends on !SMP
+
 choice
 	prompt "Select PM Wakeup Event Source"
 	default PM_WAKEUP_GPIO_BY_SIC_IWR
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index 43153e767bb..2e25b95a494 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -357,6 +357,11 @@ source "drivers/pcmcia/Kconfig"
 #	  should probably wait a while.
 
 menu "Power management options"
+
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+	depends on !SMP
+
 source kernel/power/Kconfig
 endmenu
 
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 4fad0a34b99..e387f3ab5f8 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2086,6 +2086,10 @@ endmenu
 
 menu "Power management options"
 
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+	depends on !SMP
+
 source "kernel/power/Kconfig"
 
 endmenu
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 68f0cf730d7..824140d6cd2 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -166,6 +166,10 @@ config ARCH_HIBERNATION_POSSIBLE
 	depends on (PPC64 && HIBERNATE_64) || (PPC32 && HIBERNATE_32)
 	default y
 
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+	depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200
+
 config PPC_DCR_NATIVE
 	bool
 	default n
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 1cd9c8fd927..b30c4c376a8 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -882,6 +882,10 @@ endmenu
 menu "Power management options (EXPERIMENTAL)"
 depends on EXPERIMENTAL && SYS_SUPPORTS_PM
 
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+	depends on !SMP
+
 source kernel/power/Kconfig
 
 endmenu
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 120070cbedd..34401f45ade 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -116,6 +116,10 @@ config ARCH_HIBERNATION_POSSIBLE
 	def_bool y
 	depends on !SMP || !X86_VOYAGER
 
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+	depends on !X86_VOYAGER
+
 config ZONE_DMA32
 	bool
 	default X86_64
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index fd76d54910d..f8153fda06b 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -85,7 +85,7 @@ config PM_TRACE_RTC
 config PM_SLEEP_SMP
 	bool
 	depends on SMP
-	depends on SUSPEND_SMP_POSSIBLE || ARCH_HIBERNATION_POSSIBLE
+	depends on ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE
 	depends on PM_SLEEP
 	select HOTPLUG_CPU
 	default y
@@ -95,29 +95,14 @@ config PM_SLEEP
 	depends on SUSPEND || HIBERNATION
 	default y
 
-config SUSPEND_UP_POSSIBLE
-	bool
-	depends on (X86 && !X86_VOYAGER) || PPC || ARM || BLACKFIN || MIPS \
-		   || SUPERH || FRV
-	depends on !SMP
-	default y
-
-config SUSPEND_SMP_POSSIBLE
-	bool
-	depends on (X86 && !X86_VOYAGER) \
-		   || (PPC && (PPC_PSERIES || PPC_PMAC)) || ARM
-	depends on SMP
-	default y
-
 config SUSPEND
 	bool "Suspend to RAM and standby"
-	depends on PM
-	depends on SUSPEND_UP_POSSIBLE || SUSPEND_SMP_POSSIBLE
+	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 (i.e. the ACPI S3 state).
+	  suspend-to-RAM state (e.g. the ACPI S3 state).
 
 config HIBERNATION
 	bool "Hibernation (aka 'suspend to disk')"