diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig
index 8012b3b..545663e 100644
--- a/drivers/ieee1394/Kconfig
+++ b/drivers/ieee1394/Kconfig
@@ -97,7 +97,7 @@
 
 config IEEE1394_SBP2_PHYS_DMA
 	bool "Enable replacement for physical DMA in SBP2"
-	depends on IEEE1394 && IEEE1394_SBP2 && EXPERIMENTAL && (X86_32 || PPC_32)
+	depends on IEEE1394_SBP2 && VIRT_TO_BUS && EXPERIMENTAL
 	help
 	  This builds sbp2 for use with non-OHCI host adapters which do not
 	  support physical DMA or for when ohci1394 is run with phys_dma=0.