diff options
Diffstat (limited to 'drivers/scsi/mpt3sas/mpt3sas_scsih.c')
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 80469d0a3843..2b51a414a380 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -7938,6 +7938,13 @@ _scsih_determine_hba_mpi_version(struct MPT3SAS_ADAPTER *ioc) { case MPI25_MFGPAGE_DEVID_SAS3108_5: case MPI25_MFGPAGE_DEVID_SAS3108_6: ioc->hba_mpi_version_belonged = MPI25_VERSION; + + /* Check whether the controller revision is C0 or above. + * only C0 and above revision controllers support 96 MSI-X + * vectors. + */ + if (ioc->pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) + ioc->msix96_vector = 1; break; } } |