diff options
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 367904fb7cdf..6d165e5fef15 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -75,6 +75,10 @@ MODULE_DESCRIPTION("Areca ARC11xx/12xx/16xx/188x SAS/SATA RAID Controller Driver MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); +static int msix_enable = 1; +module_param(msix_enable, int, S_IRUGO); +MODULE_PARM_DESC(msix_enable, "Enable MSI-X interrupt(0 ~ 1), msix_enable=1(enable), =0(disable)"); + static int msi_enable = 1; module_param(msi_enable, int, S_IRUGO); MODULE_PARM_DESC(msi_enable, "Enable MSI interrupt(0 ~ 1), msi_enable=1(enable), =0(disable)"); @@ -829,12 +833,15 @@ arcmsr_request_irq(struct pci_dev *pdev, struct AdapterControlBlock *acb) unsigned long flags; int nvec, i; + if (msix_enable == 0) + goto msi_int0; nvec = pci_alloc_irq_vectors(pdev, 1, ARCMST_NUM_MSIX_VECTORS, PCI_IRQ_MSIX); if (nvec > 0) { pr_info("arcmsr%d: msi-x enabled\n", acb->host->host_no); flags = 0; } else { +msi_int0: if (msi_enable == 1) { nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI); if (nvec == 1) { |