| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org) |
| 7 | * Copyright (C) 1999, 2000 Silicon Graphics, Inc. |
| 8 | */ |
| 9 | #ifndef _ASM_SPINLOCK_H |
| 10 | #define _ASM_SPINLOCK_H |
| 11 | |
| 12 | #include <asm/processor.h> |
| 13 | #include <asm/qrwlock.h> |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 14 | |
| 15 | #include <asm-generic/qspinlock_types.h> |
| 16 | |
| 17 | #define queued_spin_unlock queued_spin_unlock |
| 18 | /** |
| 19 | * queued_spin_unlock - release a queued spinlock |
| 20 | * @lock : Pointer to queued spinlock structure |
| 21 | */ |
| 22 | static inline void queued_spin_unlock(struct qspinlock *lock) |
| 23 | { |
| 24 | /* This could be optimised with ARCH_HAS_MMIOWB */ |
| 25 | mmiowb(); |
| 26 | smp_store_release(&lock->locked, 0); |
| 27 | } |
| 28 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 29 | #include <asm/qspinlock.h> |
| 30 | |
| 31 | #endif /* _ASM_SPINLOCK_H */ |