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335819fd5b
Some firmware implementations require restoring ra and sp to be
passed as arguments.
Passing them as necessary.
Fixes: 68557c59a5 ("MIPS: Loongson64: Implement PM suspend for LEFI firmware")
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
22 lines
405 B
ArmAsm
22 lines
405 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2024, Jiaxun Yang <jiaxun.yang@flygoat.com>
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* Loongson EFI firmware sleeper routine
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*/
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#include <asm/asm.h>
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#include <asm/pm.h>
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#include <kernel-entry-init.h>
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LEAF(loongson_lefi_sleep)
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SUSPEND_SAVE
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move t9, a0
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PTR_LA a0, wake
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move a1, sp
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jalr t9
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wake:
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smp_slave_setup
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RESUME_RESTORE_REGS_RETURN
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END(loongson_lefi_sleep)
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