mirror of
https://github.com/revyos/th1520-vendor-uboot.git
synced 2026-09-07 09:54:37 +02:00
35 lines
702 B
C
35 lines
702 B
C
/*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
|
|
*
|
|
* Authors:
|
|
* Anup Patel <anup.patel@wdc.com>
|
|
*/
|
|
|
|
#ifndef __RISCV_LOCKS_H__
|
|
#define __RISCV_LOCKS_H__
|
|
|
|
typedef struct {
|
|
volatile long lock;
|
|
} arch_spinlock_t;
|
|
|
|
#define __RISCV_SPIN_UNLOCKED 0
|
|
|
|
#define SPIN_LOCK_INIT(_lptr) (_lptr)->lock = __RISCV_SPIN_UNLOCKED
|
|
|
|
#define SPIN_LOCK_INITIALIZER \
|
|
{ \
|
|
.lock = __RISCV_SPIN_UNLOCKED, \
|
|
}
|
|
|
|
int spin_lock_check(arch_spinlock_t *lock);
|
|
|
|
int spin_trylock(arch_spinlock_t *lock);
|
|
|
|
void arch_spin_lock(arch_spinlock_t *lock);
|
|
|
|
void arch_spin_unlock(arch_spinlock_t *lock);
|
|
|
|
#endif
|