~hc/RK356X_SDK_RELEASE.git

..	..	@@ -1,19 +1,6 @@
	1	+// SPDX-License-Identifier: GPL-2.0-or-later
1	2	/*
2	3	* Copyright (C) 2010 Brian King IBM Corporation
3		- *
4		- * This program is free software; you can redistribute it and/or modify
5		- * it under the terms of the GNU General Public License as published by
6		- * the Free Software Foundation; either version 2 of the License, or
7		- * (at your option) any later version.
8		- *
9		- * This program is distributed in the hope that it will be useful,
10		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
11		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12		- * GNU General Public License for more details.
13		- *
14		- * You should have received a copy of the GNU General Public License
15		- * along with this program; if not, write to the Free Software
16		- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17	4	*/
18	5
19	6	#include <linux/cpu.h>
..	..	@@ -142,14 +129,10 @@
142	129	struct device_attribute *attr,
143	130	const char *buf, size_t count)
144	131	{
145		- cpumask_var_t offline_mask;
146	132	int rc;
147	133
148	134	if (!capable(CAP_SYS_ADMIN))
149	135	return -EPERM;
150		-
151		- if (!alloc_cpumask_var(&offline_mask, GFP_KERNEL))
152		- return -ENOMEM;
153	136
154	137	stream_id = simple_strtoul(buf, NULL, 16);
155	138
..	..	@@ -159,33 +142,14 @@
159	142	ssleep(1);
160	143	} while (rc == -EAGAIN);
161	144
162		- if (!rc) {
163		- /* All present CPUs must be online */
164		- cpumask_andnot(offline_mask, cpu_present_mask,
165		- cpu_online_mask);
166		- rc = rtas_online_cpus_mask(offline_mask);
167		- if (rc) {
168		- pr_err("%s: Could not bring present CPUs online.\n",
169		- __func__);
170		- goto out;
171		- }
172		-
173		- stop_topology_update();
	145	+ if (!rc)
174	146	rc = pm_suspend(PM_SUSPEND_MEM);
175		- start_topology_update();
176		-
177		- /* Take down CPUs not online prior to suspend */
178		- if (!rtas_offline_cpus_mask(offline_mask))
179		- pr_warn("%s: Could not restore CPUs to offline "
180		- "state.\n", __func__);
181		- }
182	147
183	148	stream_id = 0;
184	149
185	150	if (!rc)
186	151	rc = count;
187		-out:
188		- free_cpumask_var(offline_mask);
	152	+
189	153	return rc;
190	154	}
191	155