From ed22bb8d39fa7f3980afc6e16d2a891847367d33 Mon Sep 17 00:00:00 2001
From: Nathan Lynch <nathanl@linux.ibm.com>
Date: Mon, 7 Dec 2020 15:51:51 -0600
Subject: [PATCH] powerpc/pseries/hibernation: remove pseries_suspend_cpu()
References: bsc#1181674 ltc#189159
Patch-mainline: v5.11-rc1
Git-commit: ed22bb8d39fa7f3980afc6e16d2a891847367d33
Since commit 48f6e7f6d948 ("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
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
arch/powerpc/platforms/pseries/suspend.c | 15 ---------------
1 file changed, 15 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index 232621f33510..3315d698d5ab 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -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;
--
2.26.2