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powerpc/pseries: Use rtas_call_unlocked() in pseries hotplug

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Avoid open coding the logic by using rtas_call_unlocked().

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2015-11-24 22:26:10 +11:00
parent 08eb105a7c
commit b2e8590fa1
1 changed files with 3 additions and 8 deletions
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11
arch/powerpc/platforms/pseries/hotplug-cpu.c
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@ -88,13 +88,7 @@ void set_default_offline_state(int cpu)
static void rtas_stop_self(void) static void rtas_stop_self(void)
{ {
static struct rtas_args args = { static struct rtas_args args;
.nargs = 0,
.nret = cpu_to_be32(1),
.rets = &args.args[0],
};
args.token = cpu_to_be32(rtas_stop_self_token);
local_irq_disable(); local_irq_disable();
@ -102,7 +96,8 @@ static void rtas_stop_self(void)
printk("cpu %u (hwid %u) Ready to die...\n", printk("cpu %u (hwid %u) Ready to die...\n",
smp_processor_id(), hard_smp_processor_id()); smp_processor_id(), hard_smp_processor_id());
enter_rtas(__pa(&args));
rtas_call_unlocked(&args, rtas_stop_self_token, 0, 1, NULL);
panic("Alas, I survived.\n"); panic("Alas, I survived.\n");
} }