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arm64: fix ACPI dependencies

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Kconfig reports a warning on x86 builds after the ARM64 dependency
was added.

drivers/acpi/Kconfig:6:error: recursive dependency detected!
drivers/acpi/Kconfig:6:       symbol ACPI depends on EFI

This rephrases the dependency to keep the ARM64 details out of the
shared Kconfig file, so Kconfig no longer gets confused by it.

For consistency, all three architectures that support ACPI now
select ARCH_SUPPORTS_ACPI in exactly the configuration in which
they allow it. We still need the 'default x86', as each one
wants a different default: default-y on x86, default-n on arm64,
and always-y on ia64.

Fixes: 5bcd44083a ("drivers: acpi: add dependency of EFI for arm64")
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Arnd Bergmann 2018-07-24 11:48:45 +02:00 committed by Will Deacon
parent b965746306
commit 2c870e6113
4 changed files with 8 additions and 3 deletions
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1
arch/arm64/Kconfig
View File

@ -1262,6 +1262,7 @@ config EFI
bool "UEFI runtime support"
depends on OF && !CPU_BIG_ENDIAN
depends on KERNEL_MODE_NEON
select ARCH_SUPPORTS_ACPI
select LIBFDT
select UCS2_STRING
select EFI_PARAMS_FROM_FDT

1
arch/ia64/Kconfig
View File

@ -16,6 +16,7 @@ config IA64
select ARCH_MIGHT_HAVE_PC_SERIO
select PCI if (!IA64_HP_SIM)
select ACPI if (!IA64_HP_SIM)
select ARCH_SUPPORTS_ACPI if (!IA64_HP_SIM)
select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select HAVE_UNSTABLE_SCHED_CLOCK

1
arch/x86/Kconfig
View File

@ -75,6 +75,7 @@ config X86
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
select ARCH_SUPPORTS_ACPI
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_NUMA_BALANCING if X86_64
select ARCH_USE_BUILTIN_BSWAP

8
drivers/acpi/Kconfig
View File

@ -5,11 +5,10 @@
menuconfig ACPI
bool "ACPI (Advanced Configuration and Power Interface) Support"
depends on !IA64_HP_SIM
depends on IA64 || X86 || (ARM64 && EFI)
depends on ARCH_SUPPORTS_ACPI
depends on PCI
select PNP
default y if (IA64 || X86)
default y if X86
help
Advanced Configuration and Power Interface (ACPI) support for
Linux requires an ACPI-compliant platform (hardware/firmware),
@ -41,6 +40,9 @@ menuconfig ACPI
<http://www.acpi.info>
<http://www.uefi.org/acpi/specs>
config ARCH_SUPPORTS_ACPI
bool
if ACPI
config ACPI_LEGACY_TABLES_LOOKUP