powerpc/smp: Remove unused generic_cpu_enable()
Nobody uses it, besides we should always use the normal __cpu_up path anyways Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -43,7 +43,6 @@ DECLARE_PER_CPU(unsigned int, cpu_pvr);
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#ifdef CONFIG_HOTPLUG_CPU
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extern void fixup_irqs(const struct cpumask *map);
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int generic_cpu_disable(void);
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int generic_cpu_enable(unsigned int cpu);
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void generic_cpu_die(unsigned int cpu);
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void generic_mach_cpu_die(void);
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#endif
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@ -322,28 +322,6 @@ int generic_cpu_disable(void)
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return 0;
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}
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int generic_cpu_enable(unsigned int cpu)
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{
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/* Do the normal bootup if we haven't
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* already bootstrapped. */
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if (system_state != SYSTEM_RUNNING)
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return -ENOSYS;
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/* get the target out of it's holding state */
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per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
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smp_wmb();
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while (!cpu_online(cpu))
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cpu_relax();
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#ifdef CONFIG_PPC64
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fixup_irqs(cpu_online_mask);
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/* counter the irq disable in fixup_irqs */
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local_irq_enable();
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#endif
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return 0;
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}
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void generic_cpu_die(unsigned int cpu)
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{
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int i;
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