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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d0f9f16788
Calling platform-specific code unconditionally blows up when running
an ARCH_MULTIPLATFORM kernel on a different platform. Don't do it.
Reported-by: Paolo Pisati <p.pisati@gmail.com>
Signed-off-by: Marc Gonzalez <marc.w.gonzalez@free.fr>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: stable@vger.kernel.org # v4.8+
Fixes: a30eceb7a5 ("ARM: tango: add Suspend-to-RAM support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
32 lines
625 B
C
32 lines
625 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/init.h>
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#include <linux/suspend.h>
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#include <asm/suspend.h>
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#include "smc.h"
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#include "pm.h"
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static int tango_pm_powerdown(unsigned long arg)
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{
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tango_suspend(__pa_symbol(cpu_resume));
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return -EIO; /* tango_suspend has failed */
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}
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static int tango_pm_enter(suspend_state_t state)
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{
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if (state == PM_SUSPEND_MEM)
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return cpu_suspend(0, tango_pm_powerdown);
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return -EINVAL;
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}
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static const struct platform_suspend_ops tango_pm_ops = {
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.enter = tango_pm_enter,
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.valid = suspend_valid_only_mem,
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};
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void __init tango_pm_init(void)
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{
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suspend_set_ops(&tango_pm_ops);
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}
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