[PATCH 3/4][Unstable][Artful][SRU Zesty] scsi: hisi_sas: relocate sata_done_v2_hw()

[dann frazier]

From: Xiang Chen <chenxiang66 at hisilicon.com>

BugLink: https://bugs.launchpad.net/bugs/1708734

Relocate get_ata_protocol() to a common location, as future hw versions
will require it.  Also rename with "hisi_sas_" prefix for consistency.

Signed-off-by: Xiang Chen <chenxiang66 at hisilicon.com>
Signed-off-by: John Garry <john.garry at huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen at oracle.com>
(backported from commit 759040770dbc7c8c53aa23552d2d955e80c91ce6)
[ dannf: Included to simplify backport of following patch ]
Signed-off-by: dann frazier <dann.frazier at canonical.com>
---
 drivers/scsi/hisi_sas/hisi_sas.h       |  2 ++
 drivers/scsi/hisi_sas/hisi_sas_main.c  | 15 +++++++++++++++
 drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 18 ++----------------
 3 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 68ba7bd229e8..1410faf7970d 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -357,6 +357,8 @@ union hisi_sas_command_table {
 };
 
 extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port);
+extern void hisi_sas_sata_done(struct sas_task *task,
+			    struct hisi_sas_slot *slot);
 extern int hisi_sas_probe(struct platform_device *pdev,
 			  const struct hisi_sas_hw *ops);
 extern int hisi_sas_remove(struct platform_device *pdev);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index b3527230916b..7ae3e12c48ba 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -23,6 +23,21 @@ hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
 			     int abort_flag, int tag);
 static int hisi_sas_softreset_ata_disk(struct domain_device *device);
 
+void hisi_sas_sata_done(struct sas_task *task,
+			    struct hisi_sas_slot *slot)
+{
+	struct task_status_struct *ts = &task->task_status;
+	struct ata_task_resp *resp = (struct ata_task_resp *)ts->buf;
+	struct dev_to_host_fis *d2h = slot->status_buffer +
+				      sizeof(struct hisi_sas_err_record);
+
+	resp->frame_len = sizeof(struct dev_to_host_fis);
+	memcpy(&resp->ending_fis[0], d2h, sizeof(struct dev_to_host_fis));
+
+	ts->buf_valid_size = sizeof(*resp);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_sata_done);
+
 static struct hisi_hba *dev_to_hisi_hba(struct domain_device *device)
 {
 	return device->port->ha->lldd_ha;
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 2607aac00ac9..658ef5a59fb6 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -1689,20 +1689,6 @@ static int prep_ssp_v2_hw(struct hisi_hba *hisi_hba,
 	return 0;
 }
 
-static void sata_done_v2_hw(struct hisi_hba *hisi_hba, struct sas_task *task,
-			    struct hisi_sas_slot *slot)
-{
-	struct task_status_struct *ts = &task->task_status;
-	struct ata_task_resp *resp = (struct ata_task_resp *)ts->buf;
-	struct dev_to_host_fis *d2h = slot->status_buffer +
-				      sizeof(struct hisi_sas_err_record);
-
-	resp->frame_len = sizeof(struct dev_to_host_fis);
-	memcpy(&resp->ending_fis[0], d2h, sizeof(struct dev_to_host_fis));
-
-	ts->buf_valid_size = sizeof(*resp);
-}
-
 #define TRANS_TX_ERR	0
 #define TRANS_RX_ERR	1
 #define DMA_TX_ERR		2
@@ -2195,7 +2181,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
 			break;
 		}
 		}
-		sata_done_v2_hw(hisi_hba, task, slot);
+		hisi_sas_sata_done(task, slot);
 	}
 		break;
 	default:
@@ -2323,7 +2309,7 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot)
 	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
 	{
 		ts->stat = SAM_STAT_GOOD;
-		sata_done_v2_hw(hisi_hba, task, slot);
+		hisi_sas_sata_done(task, slot);
 		break;
 	}
 	default:
-- 
2.13.3