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[PATCH (2.6.25) 2/2] suspend: clean up Kconfig

To: linux-pm@lists.linux-foundation.org
Subject: [PATCH (2.6.25) 2/2] suspend: clean up Kconfig
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 07 Nov 2007 14:58:00 +0100
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, linuxppc-dev@ozlabs.org, Guennadi Liakhovetski <g.liakhovetski@gmx.de>, Scott Wood <scottwood@freescale.com>, David Howells <dhowells@redhat.com>, Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org, Paul Mundt <lethal@linux-sh.org>, Bryan Wu <bryan.wu@analog.com>, Russell King <rmk@arm.linux.org.uk>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20071107135758.100171000@sipsolutions.net>
Sender: linux-mips-bounce@linux-mips.org
User-agent: quilt/0.46-1
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>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: linuxppc-dev@ozlabs.org
Cc: linux-pm@lists.linux-foundation.org
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Scott Wood <scottwood@freescale.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Russell King <rmk@arm.linux.org.uk>
---
Architecture maintainers should evaluate whether their
ARCH_SUSPEND_POSSIBLE symbol should be set only under
stricter circumstances like I've done for powerpc.

Always setting it is not usually a problem, however, since the
infrastructure is only available for use after suspend_set_ops().

 arch/arm/Kconfig      |    3 +++
 arch/blackfin/Kconfig |    4 ++++
 arch/frv/Kconfig      |    5 +++++
 arch/i386/Kconfig     |    4 ++++
 arch/mips/Kconfig     |    4 ++++
 arch/powerpc/Kconfig  |    4 ++++
 arch/sh/Kconfig       |    4 ++++
 arch/x86_64/Kconfig   |    3 +++
 kernel/power/Kconfig  |   21 +++------------------
 9 files changed, 34 insertions(+), 18 deletions(-)

--- everything.orig/arch/i386/Kconfig   2007-11-07 14:45:28.591544215 +0100
+++ everything/arch/i386/Kconfig        2007-11-07 14:45:28.631515461 +0100
@@ -1323,3 +1323,7 @@ config KTIME_SCALAR
 config ARCH_HIBERNATION_POSSIBLE
        def_bool y
        depends on !SMP || !X86_VOYAGER
+
+config ARCH_SUSPEND_POSSIBLE
+       def_bool y
+       depends on !X86_VOYAGER
--- everything.orig/arch/x86_64/Kconfig 2007-11-07 14:45:28.591544215 +0100
+++ everything/arch/x86_64/Kconfig      2007-11-07 14:45:28.631515461 +0100
@@ -716,6 +716,9 @@ menu "Power management options"
 
 source kernel/power/Kconfig
 
+config ARCH_SUSPEND_POSSIBLE
+       def_bool y
+
 config ARCH_HIBERNATION_POSSIBLE
        def_bool y
 
--- everything.orig/kernel/power/Kconfig        2007-11-07 14:45:28.591544215 
+0100
+++ everything/kernel/power/Kconfig     2007-11-07 14:45:28.641531465 +0100
@@ -64,7 +64,7 @@ config PM_TRACE
 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
@@ -74,29 +74,14 @@ 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')"
--- everything.orig/arch/blackfin/Kconfig       2007-11-07 14:44:55.551521971 
+0100
+++ everything/arch/blackfin/Kconfig    2007-11-07 14:45:28.641531465 +0100
@@ -993,6 +993,10 @@ 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
--- everything.orig/arch/arm/Kconfig    2007-11-07 14:44:55.651522948 +0100
+++ everything/arch/arm/Kconfig 2007-11-07 14:45:28.641531465 +0100
@@ -977,6 +977,9 @@ menu "Power management options"
 
 source "kernel/power/Kconfig"
 
+config ARCH_SUSPEND_POSSIBLE
+       def_bool y
+
 endmenu
 
 source "net/Kconfig"
--- everything.orig/arch/mips/Kconfig   2007-11-07 14:44:55.701522460 +0100
+++ everything/arch/mips/Kconfig        2007-11-07 14:45:28.641531465 +0100
@@ -1999,6 +1999,10 @@ endmenu
 
 menu "Power management options"
 
+config ARCH_SUSPEND_POSSIBLE
+       def_bool y
+       depends on !SMP
+
 source "kernel/power/Kconfig"
 
 endmenu
--- everything.orig/arch/sh/Kconfig     2007-11-07 14:44:55.801520344 +0100
+++ everything/arch/sh/Kconfig  2007-11-07 14:45:28.651528536 +0100
@@ -748,6 +748,10 @@ 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
--- everything.orig/arch/frv/Kconfig    2007-11-07 14:44:55.861520941 +0100
+++ everything/arch/frv/Kconfig 2007-11-07 14:45:28.651528536 +0100
@@ -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
 
--- everything.orig/arch/powerpc/Kconfig        2007-11-07 14:45:28.591544215 
+0100
+++ everything/arch/powerpc/Kconfig     2007-11-07 14:45:28.651528536 +0100
@@ -155,6 +155,10 @@ 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

-- 


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