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powerpc: Drop return value of smp_ops->probe()

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smp_ops->probe() is currently supposed to return the number of cpus in
the system.

The last actual usage of the value was removed in May 2007 in e147ec8f18
"[POWERPC] Simplify smp_space_timers". We still passed the value around
until June 2010 when even that was finally removed in c1aa687d49
"powerpc: Clean up obsolete code relating to decrementer and timebase".

So drop that requirement, probe() now returns void, and update all
implementations.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman
2015-04-04 19:28:50 +11:00
parent 7261b956b2
commit a7f4ee1fe9
8 changed files with 12 additions and 29 deletions
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4
arch/powerpc/sysdev/mpic.c
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@@ -1897,7 +1897,7 @@ void smp_mpic_message_pass(int cpu, int msg)
msg * MPIC_INFO(CPU_IPI_DISPATCH_STRIDE), physmask);
}
int __init smp_mpic_probe(void)
void __init smp_mpic_probe(void)
{
int nr_cpus;
@@ -1909,8 +1909,6 @@ int __init smp_mpic_probe(void)
if (nr_cpus > 1)
mpic_request_ipis();
return nr_cpus;
}
void smp_mpic_setup_cpu(int cpu)