linux-kernel - Re: [PATCH 23/37] Suspend: Clean up Kconfig (V2)

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Date:	Fri, 1 Feb 2008 17:05:55 +0800
From:	"Bryan Wu" <cooloney.lkml@...il.com>
To:	"Len Brown" <lenb@...nel.org>
Cc:	linux-pm@...ts.linux-foundation.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Johannes Berg" <johannes@...solutions.net>,
	"Pavel Machek" <pavel@...e.cz>, "Rafael J. Wysocki" <rjw@...k.pl>,
	"Len Brown" <len.brown@...el.com>
Subject: Re: [PATCH 23/37] Suspend: Clean up Kconfig (V2)

On Feb 1, 2008 12:36 PM, Len Brown <lenb@...nel.org> wrote:
> From: Johannes Berg <johannes@...solutions.net>
>
> 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.
>

Thanks, OK for Blackfin

Acked-by: Bryan Wu <bryan.wu@...log.com>

> Signed-off-by: Johannes Berg <johannes@...solutions.net>
> Acked-by: Russell King <rmk@....linux.org.uk>
> Acked-by: Paul Mackerras <paulus@...ba.org>
> Acked-by: Ralf Baechle <ralf@...ux-mips.org>
> Acked-by: Paul Mundt <lethal@...ux-sh.org>
> Cc: Pavel Machek <pavel@...e.cz>
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> Signed-off-by: Len Brown <len.brown@...el.com>
> ---
>  arch/arm/Kconfig      |    3 +++
>  arch/blackfin/Kconfig |    4 ++++
>  arch/frv/Kconfig      |    5 +++++
>  arch/mips/Kconfig     |    4 ++++
>  arch/powerpc/Kconfig  |    4 ++++
>  arch/sh/Kconfig       |    4 ++++
>  arch/x86/Kconfig      |    4 ++++
>  kernel/power/Kconfig  |   21 +++------------------
>  8 files changed, 31 insertions(+), 18 deletions(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 77201d3..a00d8b9 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 fc7ca86..4802eb7 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 43153e7..2e25b95 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 4fad0a3..e387f3a 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 68f0cf7..824140d 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 1cd9c8f..b30c4c3 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 9c511dd..340e81a 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -113,6 +113,10 @@ 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 fd76d54..f8153fd 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')"
> --
> 1.5.4.rc5.16.gc0279
>
> --
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