add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/cpufreq/ppc_cbe_cpufreq.c
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@@ -1,23 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * cpufreq driver for the cell processor
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  *
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  * (C) Copyright IBM Deutschland Entwicklung GmbH 2005-2007
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  *
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  * Author: Christian Krafft <krafft@de.ibm.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2, or (at your option)
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- * any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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  */
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 #include <linux/cpufreq.h>
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@@ -123,6 +110,13 @@
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 #endif
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 	policy->freq_table = cbe_freqs;
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+	cbe_cpufreq_pmi_policy_init(policy);
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+	return 0;
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+}
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+
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+static int cbe_cpufreq_cpu_exit(struct cpufreq_policy *policy)
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+{
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+	cbe_cpufreq_pmi_policy_exit(policy);
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 	return 0;
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 }
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@@ -142,6 +136,7 @@
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 	.verify		= cpufreq_generic_frequency_table_verify,
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 	.target_index	= cbe_cpufreq_target,
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 	.init		= cbe_cpufreq_cpu_init,
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+	.exit		= cbe_cpufreq_cpu_exit,
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 	.name		= "cbe-cpufreq",
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 	.flags		= CPUFREQ_CONST_LOOPS,
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 };
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@@ -152,15 +147,24 @@
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 static int __init cbe_cpufreq_init(void)
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 {
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+	int ret;
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+
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 	if (!machine_is(cell))
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 		return -ENODEV;
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-	return cpufreq_register_driver(&cbe_cpufreq_driver);
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+	cbe_cpufreq_pmi_init();
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+
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+	ret = cpufreq_register_driver(&cbe_cpufreq_driver);
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+	if (ret)
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+		cbe_cpufreq_pmi_exit();
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+
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+	return ret;
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 }
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 static void __exit cbe_cpufreq_exit(void)
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 {
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 	cpufreq_unregister_driver(&cbe_cpufreq_driver);
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+	cbe_cpufreq_pmi_exit();
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 }
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 module_init(cbe_cpufreq_init);