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scsi: qla2xxx: Flush mailbox commands on chip reset

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Flush pending mailbox commands on chip reset.  Wake up command that's
waiting for an interrupt and wait for mailbox counters to go to zero.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran
2018-08-02 13:16:52 -07:00
committed by Martin K. Petersen
parent cb97f2c2e8
commit b2000805a9
4 changed files with 74 additions and 5 deletions
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3
drivers/scsi/qla2xxx/qla_os.c
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@@ -2815,6 +2815,9 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->link_data_rate = PORT_SPEED_UNKNOWN;
ha->optrom_size = OPTROM_SIZE_2300;
ha->max_exchg = FW_MAX_EXCHANGES_CNT;
atomic_set(&ha->num_pend_mbx_stage1, 0);
atomic_set(&ha->num_pend_mbx_stage2, 0);
atomic_set(&ha->num_pend_mbx_stage3, 0);
/* Assign ISP specific operations. */
if (IS_QLA2100(ha)) {