From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/arch/powerpc/platforms/pseries/suspend.c | 42 +++---------------------------------------
1 files changed, 3 insertions(+), 39 deletions(-)
diff --git a/kernel/arch/powerpc/platforms/pseries/suspend.c b/kernel/arch/powerpc/platforms/pseries/suspend.c
index 5414d32..64b36a9 100644
--- a/kernel/arch/powerpc/platforms/pseries/suspend.c
+++ b/kernel/arch/powerpc/platforms/pseries/suspend.c
@@ -1,19 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2010 Brian King IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/cpu.h>
@@ -142,14 +129,10 @@
struct device_attribute *attr,
const char *buf, size_t count)
{
- cpumask_var_t offline_mask;
int rc;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
-
- if (!alloc_cpumask_var(&offline_mask, GFP_KERNEL))
- return -ENOMEM;
stream_id = simple_strtoul(buf, NULL, 16);
@@ -159,33 +142,14 @@
ssleep(1);
} while (rc == -EAGAIN);
- if (!rc) {
- /* All present CPUs must be online */
- cpumask_andnot(offline_mask, cpu_present_mask,
- cpu_online_mask);
- rc = rtas_online_cpus_mask(offline_mask);
- if (rc) {
- pr_err("%s: Could not bring present CPUs online.\n",
- __func__);
- goto out;
- }
-
- stop_topology_update();
+ if (!rc)
rc = pm_suspend(PM_SUSPEND_MEM);
- start_topology_update();
-
- /* Take down CPUs not online prior to suspend */
- if (!rtas_offline_cpus_mask(offline_mask))
- pr_warn("%s: Could not restore CPUs to offline "
- "state.\n", __func__);
- }
stream_id = 0;
if (!rc)
rc = count;
-out:
- free_cpumask_var(offline_mask);
+
return rc;
}
--
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