[SCSI] sym2: Disable IU and QAS negotiation

Enabling these features causes problems with some drives, so disable
them until they're debugged

Signed-off-by: Matthew Wilcox <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/scsi/sym53c8xx_2/sym_glue.c

···
 	tp->tgoal.check_nego = 1;
 }
 
+#if 0
 static void sym2_set_iu(struct scsi_target *starget, int iu)
 {
 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
···
 		tp->tgoal.qas = 0;
 	tp->tgoal.check_nego = 1;
 }
-
+#endif
 
 static struct spi_function_template sym2_transport_functions = {
 	.set_offset	= sym2_set_offset,
···
 	.show_width	= 1,
 	.set_dt		= sym2_set_dt,
 	.show_dt	= 1,
+#if 0
 	.set_iu		= sym2_set_iu,
 	.show_iu	= 1,
 	.set_qas	= sym2_set_qas,
 	.show_qas	= 1,
+#endif
 	.get_signalling	= sym2_get_signalling,
 };