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| author | Graeme Gregory <graeme.gregory@linaro.org> | 2015-03-24 17:02:39 +0300 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-03-25 14:49:31 +0300 |
| commit | 6e0a0ea12962a2175a9f47621f9fe7a4c866cb12 (patch) | |
| tree | 190b59bb06354d4f438af6614ba4165131af8daf /drivers/acpi/Kconfig | |
| parent | 652261a7a86c884147930fa1e5ddd82a8a5748da (diff) | |
| download | linux-6e0a0ea12962a2175a9f47621f9fe7a4c866cb12.tar.xz | |
ACPI / sleep: Introduce CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
ACPI 5.1 does not currently support S states for ARM64 hardware but
ACPI code will call acpi_target_system_state() and acpi_sleep_init()
for device power management, so introduce
CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT and select it for x86 and
ia64 only to make sleep functions available, and also introduce stub
function to allow other drivers to function until S states are defined
for ARM64.
It will be no functional change for x86 and IA64.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/acpi/Kconfig')
| -rw-r--r-- | drivers/acpi/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index e6c3ddd92665..a726381fea72 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -48,9 +48,13 @@ config ACPI_LEGACY_TABLES_LOOKUP config ARCH_MIGHT_HAVE_ACPI_PDC bool +config ACPI_SYSTEM_POWER_STATES_SUPPORT + bool + config ACPI_SLEEP bool depends on SUSPEND || HIBERNATION + depends on ACPI_SYSTEM_POWER_STATES_SUPPORT default y config ACPI_PROCFS_POWER |