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suspend: Move NVS save/restore code to generic suspend functionality

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Saving platform non-volatile state may be required for suspend to RAM as
well as hibernation. Move it to more generic code.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Matthew Garrett
2010-05-28 16:32:14 -04:00
committed by Len Brown
parent 67a3e12b05
commit dd4c4f17d7
7 changed files with 44 additions and 37 deletions
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9
kernel/power/Kconfig
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@@ -99,9 +99,13 @@ config PM_SLEEP_ADVANCED_DEBUG
depends on PM_ADVANCED_DEBUG
default n
config SUSPEND_NVS
bool
config SUSPEND
bool "Suspend to RAM and standby"
depends on PM && ARCH_SUSPEND_POSSIBLE
select SUSPEND_NVS if HAS_IOMEM
default y
---help---
Allow the system to enter sleep states in which main memory is
@@ -130,13 +134,10 @@ config SUSPEND_FREEZER
Turning OFF this setting is NOT recommended! If in doubt, say Y.
config HIBERNATION_NVS
bool
config HIBERNATION
bool "Hibernation (aka 'suspend to disk')"
depends on PM && SWAP && ARCH_HIBERNATION_POSSIBLE
select HIBERNATION_NVS if HAS_IOMEM
select SUSPEND_NVS if HAS_IOMEM
---help---
Enable the suspend to disk (STD) functionality, which is usually
called "hibernation" in user interfaces. STD checkpoints the