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riscv: Remove unused members from struct cpu_operations

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name is not used anywhere at all. cpu_prepare and cpu_disable do nothing
and always return 0 if implemented.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20231121234736.3489608-3-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Samuel Holland
2023-11-21 15:47:25 -08:00
committed by Palmer Dabbelt
parent a4166aec11
commit 79093f3ec3
8 changed files with 1 additions and 58 deletions
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arch/riscv/kernel/cpu-hotplug.c
+1 -8
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@@ -29,25 +29,18 @@ bool cpu_has_hotplug(unsigned int cpu)
*/
int __cpu_disable(void)
{
int ret = 0;
unsigned int cpu = smp_processor_id();
if (!cpu_ops[cpu] || !cpu_ops[cpu]->cpu_stop)
return -EOPNOTSUPP;
if (cpu_ops[cpu]->cpu_disable)
ret = cpu_ops[cpu]->cpu_disable(cpu);
if (ret)
return ret;
remove_cpu_topology(cpu);
numa_remove_cpu(cpu);
set_cpu_online(cpu, false);
riscv_ipi_disable();
irq_migrate_all_off_this_cpu();
return ret;
return 0;
}
#ifdef CONFIG_HOTPLUG_CPU