dpt_i2o depends on virt_to_bus

Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/scsi/Kconfig

@@ -483,7 +483,7 @@ source "drivers/scsi/aic94xx/Kconfig"
 # All the I2O code and drivers do not seem to be 64bit safe.
 config SCSI_DPT_I2O
 	tristate "Adaptec I2O RAID support "
-	depends on !64BIT && SCSI && PCI
+	depends on !64BIT && SCSI && PCI && VIRT_TO_BUS
 	help
 	  This driver supports all of Adaptec's I2O based RAID controllers as 
 	  well as the DPT SmartRaid V cards.  This is an Adaptec maintained