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Commit 30d87bfa authored by Jeremy Linton's avatar Jeremy Linton Committed by Catalin Marinas
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arm64/acpi: Create arch specific cpu to acpi id helper 



Its helpful to be able to lookup the acpi_processor_id associated
with a logical cpu. Provide an arm64 helper to do this.

Tested-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: default avatarVijaya Kumar K <vkilari@codeaurora.org>
Tested-by: default avatarXiongfeng Wang <wangxiongfeng2@huawei.com>
Tested-by: default avatarTomasz Nowicki <Tomasz.Nowicki@cavium.com>
Acked-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: default avatarSudeep Holla <sudeep.holla@arm.com>
Signed-off-by: default avatarJeremy Linton <jeremy.linton@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 9b97387c

arch/arm64/include/asm/acpi.h

+4 −0
Original line number Diff line number Diff line
@@ -86,6 +86,10 @@ static inline bool acpi_has_cpu_in_madt(void) 
}



struct acpi_madt_generic_interrupt *acpi_cpu_get_madt_gicc(int cpu);

static inline u32 get_acpi_id_for_cpu(unsigned int cpu)

{

	return	acpi_cpu_get_madt_gicc(cpu)->uid;

}



static inline void arch_fix_phys_package_id(int num, u32 slot) { }

void __init acpi_init_cpus(void);