23 lines
363 B
C
23 lines
363 B
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#include <mailbox-common.h>
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#ifdef CONFIG_ARMV8_MULTIENTRY
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int mb_spinlock_try_init(struct mb_spinlock_t *mb_lock)
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{
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int ret = 1;
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if (!mb_lock->init) {
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mb_lock->init = true;
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spin_lock_init(&mb_lock->lock);
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ret = 0;
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}
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return ret;
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}
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#endif
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