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powerpc/pseries/hibernation: remove pseries_suspend_cpu()

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Since commit 48f6e7f6d9 ("powerpc/pseries: remove cede offline state
for CPUs"), ppc_md.suspend_disable_cpu() is no longer used and all
CPUs (save one) are placed into true offline state as opposed to
H_JOIN. So pseries_suspend_cpu() is effectively unused; remove it.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201207215200.1785968-20-nathanl@linux.ibm.com
This commit is contained in:
Nathan Lynch 2020-12-07 15:51:51 -06:00 committed by Michael Ellerman
parent a10a5a17f4
commit ed22bb8d39
1 changed files with 0 additions and 15 deletions
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15
arch/powerpc/platforms/pseries/suspend.c
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@ -48,20 +48,6 @@ static int pseries_suspend_begin(u64 stream_id)
vasi_state);
return -EIO;
}
return 0;
}
/**
* pseries_suspend_cpu - Suspend a single CPU
*
* Makes the H_JOIN call to suspend the CPU
*
**/
static int pseries_suspend_cpu(void)
{
if (atomic_read(&suspending))
return rtas_suspend_cpu(&suspend_data);
return 0;
}
@ -235,7 +221,6 @@ static int __init pseries_suspend_init(void)
if ((rc = pseries_suspend_sysfs_register(&suspend_dev)))
return rc;
ppc_md.suspend_disable_cpu = pseries_suspend_cpu;
ppc_md.suspend_enable_irqs = pseries_suspend_enable_irqs;
suspend_set_ops(&pseries_suspend_ops);
return 0;