s390/pci: define isa_dma_bridge_buggy

Define isa_dma_bridge_buggy. Needed to make pci quirks compile: drivers/pci/quirks.c: In function ‘quirk_isa_dma_hangs’: drivers/pci/quirks.c:88:7: error: ‘isa_dma_bridge_buggy’ undeclared (first use in this function) Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
mariux64 · Jan 8, 2013 · 87890f9 · 87890f9
1 parent 6673cd0
commit 87890f9
Showing 1 changed file with 6 additions and 0 deletions.
diff --git 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 */