summaryrefslogtreecommitdiffstats
path: root/arch/x86
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/include/asm/acenv.h4
-rw-r--r--arch/x86/include/asm/acpi.h5
3 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 6cfeb08..bf24050 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
@@ -133,6 +134,7 @@ config X86
select ARCH_SUPPORTS_ATOMIC_RMW
select HAVE_ACPI_APEI if ACPI
select HAVE_ACPI_APEI_NMI if ACPI
+ select ACPI_LEGACY_TABLES_LOOKUP if ACPI
config INSTRUCTION_DECODER
def_bool y
diff --git a/arch/x86/include/asm/acenv.h b/arch/x86/include/asm/acenv.h
index 6687329..1b010a8 100644
--- a/arch/x86/include/asm/acenv.h
+++ b/arch/x86/include/asm/acenv.h
@@ -18,8 +18,6 @@
#define ACPI_FLUSH_CPU_CACHE() wbinvd()
-#ifdef CONFIG_ACPI
-
int __acpi_acquire_global_lock(unsigned int *lock);
int __acpi_release_global_lock(unsigned int *lock);
@@ -44,6 +42,4 @@ int __acpi_release_global_lock(unsigned int *lock);
: "=r"(n_hi), "=r"(n_lo) \
: "0"(n_hi), "1"(n_lo))
-#endif
-
#endif /* _ASM_X86_ACENV_H */
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index e06225e..0ab4f9f 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
OpenPOWER on IntegriCloud