1 // SPDX-License-Identifier: BSD-3-Clause
2 //
3 // Copyright(c) 2020 Intel Corporation. All rights reserved.
4 //
5 // Author: Tomasz Lauda <tomasz.lauda@linux.intel.com>
6
7 #include <sof/drivers/interrupt.h>
8 #if CONFIG_DEBUG_LOCKS
9 #include <sof/lib/uuid.h>
10 #endif
11 #include <sof/spinlock.h>
12
13 #include <stdint.h>
14
15 #if CONFIG_DEBUG_LOCKS
16
17 /* 9d346d98-203d-4791-baee-1770a03d4a71 */
18 DECLARE_SOF_UUID("spinlock", spinlock_uuid, 0x9d346d98, 0x203d, 0x4791,
19 0xba, 0xee, 0x17, 0x70, 0xa0, 0x3d, 0x4a, 0x71);
20
21 DECLARE_TR_CTX(sl_tr, SOF_UUID(spinlock_uuid), LOG_LEVEL_INFO);
22
23 #endif
24
_spin_lock_irq(spinlock_t * lock)25 uint32_t _spin_lock_irq(spinlock_t *lock)
26 {
27 uint32_t flags;
28
29 flags = interrupt_global_disable();
30 #if CONFIG_DEBUG_LOCKS
31 lock_dbg_atomic++;
32 #endif
33 spin_lock(lock);
34 #if CONFIG_DEBUG_LOCKS
35 if (lock_dbg_atomic < DBG_LOCK_USERS)
36 lock_dbg_user[lock_dbg_atomic - 1] = (lock)->user;
37 #endif
38 return flags;
39 }
40
_spin_unlock_irq(spinlock_t * lock,uint32_t flags,int line)41 void _spin_unlock_irq(spinlock_t *lock, uint32_t flags, int line)
42 {
43 _spin_unlock(lock, line);
44 #if CONFIG_DEBUG_LOCKS
45 lock_dbg_atomic--;
46 #endif
47 interrupt_global_enable(flags);
48 }
49
