1 files changed, 6 insertions, 0 deletions

diff --git a/arch/s390/include/asm/dma.h b/arch/s390/include/asm/dma.h
index de015d85e3e5..bb9bdcd20864 100644
--- a/arch/s390/include/asm/dma.h
+++ b/arch/s390/include/asm/dma.h
@@ -10,4 +10,10 @@
  */
 #define MAX_DMA_ADDRESS         0x80000000
 
+#ifdef CONFIG_PCI
+extern int isa_dma_bridge_buggy;
+#else
+#define isa_dma_bridge_buggy    (0)
+#endif
+
 #endif /* _ASM_S390_DMA_H */