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LoongArch: convert to use arch_cpu_is_hotpluggable()

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Convert loongarch to use the arch_cpu_is_hotpluggable() helper rather
than arch_register_cpu(). Also remove the export as nothing should be
using arch_register_cpu() outside of the core kernel/acpi code.

Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/E1r5R4B-00Ct0G-Kk@rmk-PC.armlinux.org.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Russell King (Oracle) 2023-11-21 13:45:27 +00:00 committed by Greg Kroah-Hartman
parent 0d122fb600
commit 13f9f0361c
1 changed files with 2 additions and 5 deletions
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7
arch/loongarch/kernel/topology.c
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@ -11,11 +11,8 @@
#include <acpi/processor.h>
#ifdef CONFIG_HOTPLUG_CPU
int arch_register_cpu(int cpu)
bool arch_cpu_is_hotpluggable(int cpu)
{
struct cpu *c = &per_cpu(cpu_devices, cpu);
c->hotpluggable = !io_master(cpu);
return register_cpu(c, cpu);
return !io_master(cpu);
}
#endif