[PATCH 4.8 43/96] scsi: megaraid_sas: Do not set MPI2_TYPE_CUDA for JBOD FP path for FW which does not support JBOD sequence map

From: Greg Kroah-Hartman
Date: Fri Jan 06 2017 - 18:03:44 EST


4.8-stable review patch. If anyone has any objections, please let me know.

------------------

From: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>

commit d5573584429254a14708cf8375c47092b5edaf2c upstream.

Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2000,6 +2000,8 @@ megasas_build_syspd_fusion(struct megasa
io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
pRAID_Context->regLockFlags |=
(MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+ pRAID_Context->Type = MPI2_TYPE_CUDA;
+ pRAID_Context->nseg = 0x1;
} else if (fusion->fast_path_io) {
pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
pRAID_Context->configSeqNum = 0;
@@ -2035,12 +2037,10 @@ megasas_build_syspd_fusion(struct megasa
pRAID_Context->timeoutValue =
cpu_to_le16((os_timeout_value > timeout_limit) ?
timeout_limit : os_timeout_value);
- if (fusion->adapter_type == INVADER_SERIES) {
- pRAID_Context->Type = MPI2_TYPE_CUDA;
- pRAID_Context->nseg = 0x1;
+ if (fusion->adapter_type == INVADER_SERIES)
io_request->IoFlags |=
cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
- }
+
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_FP_IO <<
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);