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arm64: Declare ACPI parking protocol CPU operation if needed

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It's obvious we needn't declare the corresponding CPU operation when
CONFIG_ARM64_ACPI_PARKING_PROTOCOL is disabled, even it doesn't cause
any compiling warnings.

Signed-off-by: Gavin Shan <gshan@redhat.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Gavin Shan 2020-03-19 10:01:42 +11:00 • committed by Catalin Marinas
parent f8788d86ab
commit 7fec52bf80
1 changed files with 2 additions and 0 deletions
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2
arch/arm64/kernel/cpu_ops.c
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@ -15,7 +15,9 @@
#include <asm/smp_plat.h>
extern const struct cpu_operations smp_spin_table_ops;
#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL
extern const struct cpu_operations acpi_parking_protocol_ops;
#endif
extern const struct cpu_operations cpu_psci_ops;
const struct cpu_operations *cpu_ops[NR_CPUS] __ro_after_init;