diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drmP.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index c5dfe6bf..575e6255 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -1260,5 +1260,19 @@ static inline void drm_ctl_free(void *pt, size_t size, int area) /*@}*/ +/** Type for the OS's non-sleepable mutex lock */ +#define DRM_SPINTYPE spinlock_t +/** + * Initialize the lock for use. name is an optional string describing the + * lock + */ +#define DRM_SPININIT(l,name) spin_lock_init(l); +#define DRM_SPINUNINIT(l) +#define DRM_SPINLOCK(l) spin_lock(l); +#define DRM_SPINUNLOCK(u) spin_unlock(l); +#define DRM_SPINLOCK_IRQSAVE(l, flags) spin_lock_irqflags(l, _flags); +#define DRM_SPINUNLOCK_IRQRESTORE(u, flags) spin_unlock_irqrestore(l, _flags); +#define DRM_SPINLOCK_ASSERT(l) do {} while (0) + #endif /* __KERNEL__ */ #endif |