src/include/smp/spinlock.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef SMP_SPINLOCK_H
   4 #define SMP_SPINLOCK_H
   5
   6 #if ENV_SUPPORTS_SMP
   7 #include <arch/smp/spinlock.h>
   8 #else /* !CONFIG_SMP */
   9
  10 #define DECLARE_SPIN_LOCK(x)
  11 #define spin_is_locked(lock)    0
  12 #define spin_unlock_wait(lock)  do {} while (0)
  13 #define spin_lock(lock)         do {} while (0)
  14 #define spin_unlock(lock)       do {} while (0)
  15 #endif
  16
  17 #endif /* SMP_SPINLOCK_H */