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| author | Jitendra Bhivare <jitendra.bhivare@broadcom.com> | 2016-02-04 15:49:09 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-23 21:27:02 -0500 |
| commit | 9c890a79689cbce29296d12d925a690b35b0539b (patch) | |
| tree | a7c118cdc2b3628cba30c5540792ffc51f8cc371 /drivers/scsi/be2iscsi | |
| parent | aee5618dfeeb6f3a64005abe4056c1b256645f8a (diff) | |
| download | linux-9c890a79689cbce29296d12d925a690b35b0539b.tar.gz linux-9c890a79689cbce29296d12d925a690b35b0539b.tar.bz2 linux-9c890a79689cbce29296d12d925a690b35b0539b.zip | |
be2iscsi: Remove unused mcc_cq_lock
mcc_cq_lock spin_lock is used only in beiscsi_process_mcc which is
called only when all interrupts are disabled from mgmt_epfw_cleanup
during unloading of driver. There is no other context where there can be
contention for the processing of CQ.
Signed-off-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/be2iscsi')
| -rw-r--r-- | drivers/scsi/be2iscsi/be.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_cmds.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 1 |
3 files changed, 0 insertions, 4 deletions
diff --git a/drivers/scsi/be2iscsi/be.h b/drivers/scsi/be2iscsi/be.h index 7d425af66530..1524fe419e5c 100644 --- a/drivers/scsi/be2iscsi/be.h +++ b/drivers/scsi/be2iscsi/be.h @@ -132,7 +132,6 @@ struct be_ctrl_info { /* MCC Rings */ struct be_mcc_obj mcc_obj; spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */ - spinlock_t mcc_cq_lock; wait_queue_head_t mcc_wait[MAX_MCC_CMD + 1]; unsigned int mcc_tag[MAX_MCC_CMD]; diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c index 34c33d422ec4..e8e9d2202959 100644 --- a/drivers/scsi/be2iscsi/be_cmds.c +++ b/drivers/scsi/be2iscsi/be_cmds.c @@ -532,7 +532,6 @@ int beiscsi_process_mcc(struct beiscsi_hba *phba) int num = 0, status = 0; struct be_ctrl_info *ctrl = &phba->ctrl; - spin_lock_bh(&phba->ctrl.mcc_cq_lock); while ((compl = be_mcc_compl_get(phba))) { if (compl->flags & CQE_FLAGS_ASYNC_MASK) { beiscsi_process_async_event(phba, compl); @@ -547,7 +546,6 @@ int beiscsi_process_mcc(struct beiscsi_hba *phba) if (num) hwi_ring_cq_db(phba, phba->ctrl.mcc_obj.cq.id, num, 1); - spin_unlock_bh(&phba->ctrl.mcc_cq_lock); return status; } diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 70179e122b86..314fd2c09435 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -730,7 +730,6 @@ static int be_ctrl_init(struct beiscsi_hba *phba, struct pci_dev *pdev) memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); mutex_init(&ctrl->mbox_lock); spin_lock_init(&phba->ctrl.mcc_lock); - spin_lock_init(&phba->ctrl.mcc_cq_lock); return status; } |