Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Signed-off-by: Russell King (Oracle) <redacted>
---
 arch/riscv/kernel/setup.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index f8875ae1b0aa..168f0db63d53 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c

@@ -294,12 +294,9 @@ void __init setup_arch(char **cmdline_p)
 	riscv_set_dma_cache_alignment();
 }

-int arch_register_cpu(int cpu)
+bool arch_cpu_is_hotpluggable(int cpu)
 {
-	struct cpu *c = &per_cpu(cpu_devices, cpu);
-
-	c->hotpluggable = cpu_has_hotplug(cpu);
-	return register_cpu(c, cpu);
+	return cpu_has_hotplug(cpu);
 }

 void free_initmem(void)