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@xxxxxxxxx>
Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
---
include/acpi/processor.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 3f34ebb27525..94181fe9780a 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -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
--
2.38.1
