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-rw-r--r--drivers/ata/sata_nv.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index b2d11f300c39..86a40582999c 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -602,6 +602,7 @@ MODULE_VERSION(DRV_VERSION);
602 602
603static int adma_enabled; 603static int adma_enabled;
604static int swncq_enabled = 1; 604static int swncq_enabled = 1;
605static int msi_enabled;
605 606
606static void nv_adma_register_mode(struct ata_port *ap) 607static void nv_adma_register_mode(struct ata_port *ap)
607{ 608{
@@ -2459,6 +2460,11 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
2459 } else if (type == SWNCQ) 2460 } else if (type == SWNCQ)
2460 nv_swncq_host_init(host); 2461 nv_swncq_host_init(host);
2461 2462
2463 if (msi_enabled) {
2464 dev_printk(KERN_NOTICE, &pdev->dev, "Using MSI\n");
2465 pci_enable_msi(pdev);
2466 }
2467
2462 pci_set_master(pdev); 2468 pci_set_master(pdev);
2463 return ata_host_activate(host, pdev->irq, ipriv->irq_handler, 2469 return ata_host_activate(host, pdev->irq, ipriv->irq_handler,
2464 IRQF_SHARED, ipriv->sht); 2470 IRQF_SHARED, ipriv->sht);
@@ -2558,4 +2564,6 @@ module_param_named(adma, adma_enabled, bool, 0444);
2558MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: false)"); 2564MODULE_PARM_DESC(adma, "Enable use of ADMA (Default: false)");
2559module_param_named(swncq, swncq_enabled, bool, 0444); 2565module_param_named(swncq, swncq_enabled, bool, 0444);
2560MODULE_PARM_DESC(swncq, "Enable use of SWNCQ (Default: true)"); 2566MODULE_PARM_DESC(swncq, "Enable use of SWNCQ (Default: true)");
2567module_param_named(msi, msi_enabled, bool, 0444);
2568MODULE_PARM_DESC(msi, "Enable use of MSI (Default: false)");
2561 2569