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Diffstat (limited to 'arch/sparc/include/asm/floppy_32.h')
-rw-r--r--arch/sparc/include/asm/floppy_32.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h
index ae3f00bf22f..ff2b91c6eef 100644
--- a/arch/sparc/include/asm/floppy_32.h
+++ b/arch/sparc/include/asm/floppy_32.h
@@ -385,4 +385,15 @@ static int sparc_eject(void)
#define EXTRA_FLOPPY_PARAMS
+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);
+
#endif /* !(__ASM_SPARC_FLOPPY_H) */