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authorXiang Chen <chenxiang66@hisilicon.com>2018-03-07 20:25:10 +0800
committerMartin K. Petersen <martin.petersen@oracle.com>2018-03-12 21:55:24 -0400
commit36996a1e6dff4e5835faeb00ba920ccb9a07aa52 (patch)
tree21edf25fc454093eb47763836c01f29fc7d93405
parentbb9abc4af5449d2a72cda876be950988e8b2b888 (diff)
downloadlinux-36996a1e6dff4e5835faeb00ba920ccb9a07aa52.tar.bz2
scsi: hisi_sas: remove unused variable hisi_sas_devices.running_req
The structure element hisi_sas_devices.running_req to count how many commands are active is in effect only ever written in the code, so remove it. Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas.h1
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c9
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v1_hw.c3
3 files changed, 0 insertions, 13 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index e7fd2877c19c..d1153e8e846b 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -175,7 +175,6 @@ struct hisi_sas_device {
struct hisi_sas_dq *dq;
struct list_head list;
u64 attached_phy;
- atomic64_t running_req;
enum sas_device_type dev_type;
int device_id;
int sata_idx;
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 9ff87902d67a..88ad8d42ef6f 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -200,8 +200,6 @@ void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task,
if (task) {
struct device *dev = hisi_hba->dev;
- struct domain_device *device = task->dev;
- struct hisi_sas_device *sas_dev = device->lldd_dev;
if (!task->lldd_task)
return;
@@ -213,9 +211,6 @@ void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task,
dma_unmap_sg(dev, task->scatter,
task->num_scatter,
task->data_dir);
-
- if (sas_dev)
- atomic64_dec(&sas_dev->running_req);
}
if (slot->buf)
@@ -431,8 +426,6 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_sas_dq
spin_unlock_irqrestore(&task->task_state_lock, flags);
dq->slot_prep = slot;
-
- atomic64_inc(&sas_dev->running_req);
++(*pass);
return 0;
@@ -1517,8 +1510,6 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
dq->slot_prep = slot;
- atomic64_inc(&sas_dev->running_req);
-
/* send abort command to the chip */
hisi_hba->hw->start_delivery(dq);
spin_unlock_irqrestore(&dq->lock, flags_dq);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 2eb89806c512..8dd0e6a6ff8a 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -1407,9 +1407,6 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
}
out:
- if (sas_dev)
- atomic64_dec(&sas_dev->running_req);
-
hisi_sas_slot_task_free(hisi_hba, task, slot);
sts = ts->stat;