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 77201d3f7479..a00d8b97c306 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 fc7ca86ac8bf..4802eb767dc9 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 43153e767bb1..2e25b95a494b 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 4fad0a34b997..e387f3ab5f8d 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 68f0cf730d7f..824140d6cd27 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 1cd9c8fd927d..b30c4c376a83 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 120070cbedd2..34401f45ade4 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 fd76d54910d0..f8153fda06bb 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')"