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PATCH [12/15] qla2xxx: RIO/ZIO fixes

PATCH Andrew Vasquez 1 participant 1 message May 7, 2004

Subsystems (2)
SCSI QLogic QLA2XXX FC-SCSI driver
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Andrew Vasquez

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ChangeSet
1.1933 04/04/30 15:24:16 [email protected] +1 -0 RIO/ZIO fixes:

o Reduce register access during RIO operation by checking for a 'dirtied' signature.

o Fix problem where ZIO mode handling could result in a nasty recursive call-frame.

 drivers/scsi/qla2xxx/qla_os.c |    5 +----
 1 files changed, 1 insertion(+), 4 deletions(-)
drivers/scsi/qla2xxx/qla_os.c +1 -4
diff -Nru a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
@@ -837,7 +837,7 @@
 		device_reg_t *reg;
 		reg = ha->iobase;
 		
-		if (RD_REG_WORD(ISP_RSP_Q_IN(ha, reg)) != ha->rsp_ring_index) {
+		if (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
 			spin_lock_irqsave(&ha->hardware_lock, flags);	
 			qla2x00_process_response_queue(ha);
 			spin_unlock_irqrestore(&ha->hardware_lock, flags);

@@ -4243,9 +4243,6 @@
 	spin_lock_irqsave(&ha->hardware_lock,flags);
 	qla2x00_process_response_queue(ha);
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
-
-	if (!list_empty(&ha->done_queue))
-		qla2x00_done(ha);
 }
 
 /*