diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/acenv.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/acpi.h | 5 |
3 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 6cfeb082a42..bf2405053af 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 66873297e9f..1b010a859b8 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 e06225eda63..0ab4f9fd268 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 |