diff options
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 7ba5332476c6..a3c66c3bb76e 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1237,14 +1237,18 @@ static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports, if (nvec > 1) hpriv->flags |= AHCI_HFLAG_MULTI_MSI; - return nvec; + goto out; single_msi: + nvec = 1; + rc = pci_enable_msi(pdev); if (rc < 0) return rc; +out: + hpriv->irq = pdev->irq; - return 1; + return nvec; } static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports, @@ -1258,6 +1262,7 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports, /* lagacy intx interrupts */ pci_intx(pdev, 1); + hpriv->irq = pdev->irq; return 0; } @@ -1423,13 +1428,13 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) */ n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map)); - ahci_init_interrupts(pdev, n_ports, hpriv); - host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); if (!host) return -ENOMEM; host->private_data = hpriv; + ahci_init_interrupts(pdev, n_ports, hpriv); + if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss) host->flags |= ATA_HOST_PARALLEL_SCAN; else @@ -1475,7 +1480,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); - return ahci_host_activate(host, pdev->irq, &ahci_sht); + return ahci_host_activate(host, &ahci_sht); } module_pci_driver(ahci_pci_driver); |