1 files changed, 11 insertions, 0 deletions

diff --git a/include/asm-sparc64/parport.h b/include/asm-sparc64/parport.h
index be9509c8f8c1..284dfd01a33d 100644
--- a/include/asm-sparc64/parport.h
+++ b/include/asm-sparc64/parport.h
@@ -19,6 +19,17 @@
  */
 #define HAS_DMA
 
+static DEFINE_SPINLOCK(dma_spin_lock);
+
+#define claim_dma_lock() \
+({      unsigned long flags; \
+        spin_lock_irqsave(&dma_spin_lock, flags); \
+        flags; \
+})
+
+#define release_dma_lock(__flags) \
+        spin_unlock_irqrestore(&dma_spin_lock, __flags);
+
 static struct sparc_ebus_info {
         struct ebus_dma_info info;
         unsigned int addr;