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| author |   Michael Hernandez <michael.hernandez@cavium.com> | 2017-02-15 15:37:19 -0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2017-02-22 19:00:17 -0500 |
| commit | f54f2cb540b53d55a81d620e816810d59be5cb1b (patch) | |
| tree | 4ae3341d0f8456c8cf44d96e1133cae9b507e54e /drivers/scsi/qla2xxx | |
| parent | scsi: lpfc: add missing Kconfig NVME dependencies (diff) | |
| download | linux-dev-f54f2cb540b53d55a81d620e816810d59be5cb1b.tar.xz linux-dev-f54f2cb540b53d55a81d620e816810d59be5cb1b.zip | |
scsi: qla2xxx: Cleaned up queue configuration code.
This patch cleaned up queue configuration code, such that once
initialized, we should not touch msix_count value. This will prevent
incorrect numbers of MSI-X vectors requested while performing target
mode configuration.
[mkp: fixed Fixes: hash]
Cc: <stable@vger.kernel.org>
Fixes: d74595278f4a ("scsi: qla2xxx: Add multiple queue pair functionality.")
Signed-off-by: Michael Hernandez <michael.hernandez@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index d01c90c7dd04..8174cee8eb53 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1815,6 +1815,7 @@ skip_pio: /* Determine queue resources */ ha->max_req_queues = ha->max_rsp_queues = 1; + ha->msix_count = QLA_BASE_VECTORS; if (!ql2xmqsupport || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))) goto mqiobase_exit; @@ -1842,9 +1843,8 @@ skip_pio: "BAR 3 not enabled.\n"); mqiobase_exit: - ha->msix_count = ha->max_rsp_queues + 1; ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c, - "MSIX Count:%d.\n", ha->msix_count); + "MSIX Count: %d.\n", ha->msix_count); return (0); iospace_error_exit: @@ -1892,6 +1892,7 @@ qla83xx_iospace_config(struct qla_hw_data *ha) /* 83XX 26XX always use MQ type access for queues * - mbar 2, a.k.a region 4 */ ha->max_req_queues = ha->max_rsp_queues = 1; + ha->msix_count = QLA_BASE_VECTORS; ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4), pci_resource_len(ha->pdev, 4)); @@ -1934,14 +1935,8 @@ qla83xx_iospace_config(struct qla_hw_data *ha) "BAR 1 not enabled.\n"); mqiobase_exit: - ha->msix_count = ha->max_rsp_queues + 1; - if (QLA_TGT_MODE_ENABLED()) - ha->msix_count++; - - qlt_83xx_iospace_config(ha); - ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f, - "MSIX Count:%d.\n", ha->msix_count); + "MSIX Count: %d.\n", ha->msix_count); return 0; iospace_error_exit: |