SCSI: convert struct class_device to struct device

It's big, but there doesn't seem to be a way to split it up smaller...

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index 0dfef75..490bd13 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -80,7 +80,7 @@
 };
 
 #define transport_class_to_shost(tc) \
-	dev_to_shost((tc)->dev)
+	dev_to_shost((tc)->parent)
 
 
 /* Private area maintenance. The driver requested allocations come