Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
851 B
C
36 lines
851 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* SMP support for R-Mobile / SH-Mobile
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*
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* Copyright (C) 2010 Magnus Damm
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* Copyright (C) 2011 Paul Mundt
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*
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* Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved
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*/
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#include <linux/init.h>
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#include <asm/cacheflush.h>
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#include <asm/smp_plat.h>
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#include "common.h"
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extern unsigned long shmobile_smp_fn[];
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extern unsigned long shmobile_smp_arg[];
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extern unsigned long shmobile_smp_mpidr[];
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void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg)
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{
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shmobile_smp_fn[cpu] = 0;
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flush_cache_all();
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shmobile_smp_mpidr[cpu] = cpu_logical_map(cpu);
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shmobile_smp_fn[cpu] = fn;
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shmobile_smp_arg[cpu] = arg;
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flush_cache_all();
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}
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#ifdef CONFIG_HOTPLUG_CPU
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bool shmobile_smp_cpu_can_disable(unsigned int cpu)
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{
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return true; /* Hotplug of any CPU is supported */
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}
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#endif
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