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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-07-27 23:52:48 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-07-27 23:52:48 +0200
commit8989e1cc35736b03948748343fb5ba42eb3bbfb8 (patch)
tree44feb210db2812c90761095c5e7411531d27ba83 /arch/x86
parentMerge branch 'acpi-headers' (diff)
parentACPI / processor: Introduce ARCH_MIGHT_HAVE_ACPI_PDC (diff)
downloadlinux-8989e1cc35736b03948748343fb5ba42eb3bbfb8.tar.xz
linux-8989e1cc35736b03948748343fb5ba42eb3bbfb8.zip
Merge branch 'acpi-config'
* acpi-config: ACPI / processor: Introduce ARCH_MIGHT_HAVE_ACPI_PDC ACPI: Don't use acpi_lapic in ACPI core code ACPI: add config for BIOS table scan
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/include/asm/acpi.h5
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d24887b645dc..70c43b5371bb 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -21,6 +21,7 @@ config X86_64
### Arch settings
config X86
def_bool y
+ select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
@@ -132,6 +133,7 @@ config X86
select GENERIC_CPU_AUTOPROBE
select HAVE_ARCH_AUDITSYSCALL
select ARCH_SUPPORTS_ATOMIC_RMW
+ select ACPI_LEGACY_TABLES_LOOKUP if ACPI
config INSTRUCTION_DECODER
def_bool y
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index e06225eda635..0ab4f9fd2687 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -121,6 +121,11 @@ static inline void arch_acpi_set_pdc_bits(u32 *buf)
buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
}
+static inline bool acpi_has_cpu_in_madt(void)
+{
+ return !!acpi_lapic;
+}
+
#else /* !CONFIG_ACPI */
#define acpi_lapic 0