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ACPI: processor: Silence missing prototype warnings

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Silence the following warnings when built with W=1:

 | CC   drivers/acpi/acpi_processor.c
 |      warning: no previous prototype for 'arch_register_cpu' [-Wmissing-prototypes]
 |              int __weak arch_register_cpu(int cpu)
 |                         ^
 | CC   drivers/acpi/acpi_processor.c
 |      warning: no previous prototype for 'arch_unregister_cpu' [-Wmissing-prototypes]
 |              void __weak arch_unregister_cpu(int cpu) {}
 |                          ^

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Sudeep Holla 2022-11-16 07:49:30 +00:00 • committed by Rafael J. Wysocki
parent 314363737c
commit 05e6b43137
1 changed files with 5 additions and 0 deletions
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5
include/acpi/processor.h
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@ -465,4 +465,9 @@ extern int acpi_processor_ffh_lpi_probe(unsigned int cpu);
extern int acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi);
#endif
#ifdef CONFIG_ACPI_HOTPLUG_CPU
extern int arch_register_cpu(int cpu);
extern void arch_unregister_cpu(int cpu);
#endif
#endif