add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/arm/kernel/psci_smp.c
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@@ -1,12 +1,5 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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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 version 2 as
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- * published by the Free Software Foundation.
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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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  * Copyright (C) 2012 ARM Limited
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  *
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@@ -58,7 +51,7 @@
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 }
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 #ifdef CONFIG_HOTPLUG_CPU
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-int psci_cpu_disable(unsigned int cpu)
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+static int psci_cpu_disable(unsigned int cpu)
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 {
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 	/* Fail early if we don't have CPU_OFF support */
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 	if (!psci_ops.cpu_off)
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@@ -71,7 +64,7 @@
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 	return 0;
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 }
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-void psci_cpu_die(unsigned int cpu)
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+static void psci_cpu_die(unsigned int cpu)
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 {
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 	u32 state = PSCI_POWER_STATE_TYPE_POWER_DOWN <<
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 		    PSCI_0_2_POWER_STATE_TYPE_SHIFT;
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@@ -83,7 +76,7 @@
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 	panic("psci: cpu %d failed to shutdown\n", cpu);
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 }
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-int psci_cpu_kill(unsigned int cpu)
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+static int psci_cpu_kill(unsigned int cpu)
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 {
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 	int err, i;
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@@ -114,11 +107,12 @@
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 #endif
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-bool __init psci_smp_available(void)
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+bool psci_smp_available(void)
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 {
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 	/* is cpu_on available at least? */
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 	return (psci_ops.cpu_on != NULL);
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 }
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+EXPORT_SYMBOL(psci_smp_available);
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 const struct smp_operations psci_smp_ops __initconst = {
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 	.smp_boot_secondary	= psci_boot_secondary,