From 8f0525ff1901f4fafe6d02d5d373ca38103ff5a7 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Tue, 28 Mar 2006 20:03:45 -0500 Subject: [PATCH] sbp2: proper treatment of DID_OK Sbp2 relied on DID_OK to be defined as 0. Always shift DID_OK into the right position anyway, and explicitly return DID_OK together with CHECK_CONDITION. Also comment on some #if 0 code. The patch does not change current behaviour. Signed-off-by: Stefan Richter Signed-off-by: Jody McIntyre --- drivers/ieee1394/sbp2.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index ce3b43dd229b..eb7106b8fd0a 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -2410,7 +2410,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, */ switch (scsi_status) { case SBP2_SCSI_STATUS_GOOD: - SCpnt->result = DID_OK; + SCpnt->result = DID_OK << 16; break; case SBP2_SCSI_STATUS_BUSY: @@ -2420,7 +2420,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, case SBP2_SCSI_STATUS_CHECK_CONDITION: SBP2_DEBUG("SBP2_SCSI_STATUS_CHECK_CONDITION"); - SCpnt->result = CHECK_CONDITION << 1; + SCpnt->result = CHECK_CONDITION << 1 | DID_OK << 16; /* * Debug stuff @@ -2454,7 +2454,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, /* * Take care of any sbp2 response data mucking here (RBC stuff, etc.) */ - if (SCpnt->result == DID_OK) { + if (SCpnt->result == DID_OK << 16) { sbp2_check_sbp2_response(scsi_id, SCpnt); } @@ -2472,6 +2472,8 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, * If a unit attention occurs, return busy status so it gets * retried... it could have happened because of a 1394 bus reset * or hot-plug... + * XXX DID_BUS_BUSY is actually a bad idea because it will defy + * the scsi layer's retry logic. */ #if 0 if ((scsi_status == SBP2_SCSI_STATUS_CHECK_CONDITION) &&