If unsure, say N.
+config ENCLOSURE_SERVICES
+ tristate "Enclosure Services"
+ default n
+ help
+ Provides support for intelligent enclosures (bays which
+ contain storage devices). You also need either a host
+ driver (SCSI/ATA) which supports enclosures
+ or a SCSI enclosure device (SES) to use these services.
+
endif # MISC_DEVICES