diff options
| -rw-r--r-- | drivers/ide/setup-pci.c | 70 |
1 files changed, 16 insertions, 54 deletions
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index 5314edffc30..ab3db61d2ba 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -1,7 +1,7 @@ /* * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> * Copyright (C) 1995-1998 Mark Lord - * Copyright (C) 2007 Bartlomiej Zolnierkiewicz + * Copyright (C) 2007-2009 Bartlomiej Zolnierkiewicz * * May be copied or modified under the terms of the GNU General Public License */ @@ -534,61 +534,15 @@ out: return ret; } -int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d, - void *priv) -{ - struct ide_host *host; - struct ide_hw hw[2], *hws[] = { NULL, NULL }; - int ret; - - ret = ide_setup_pci_controller(dev, d, 1); - if (ret < 0) - goto out; - - ide_pci_setup_ports(dev, d, &hw[0], &hws[0]); - - host = ide_host_alloc(d, hws, 2); - if (host == NULL) { - ret = -ENOMEM; - goto out; - } - - host->dev[0] = &dev->dev; - - host->host_priv = priv; - - host->irq_flags = IRQF_SHARED; - - pci_set_drvdata(dev, host); - - ret = do_ide_setup_pci_device(dev, d, 1); - if (ret < 0) - goto out; - - /* fixup IRQ */ - if (ide_pci_is_in_compatibility_mode(dev)) { - hw[0].irq = pci_get_legacy_ide_irq(dev, 0); - hw[1].irq = pci_get_legacy_ide_irq(dev, 1); - } else - hw[1].irq = hw[0].irq = ret; - - ret = ide_host_register(host, d, hws); - if (ret) - ide_host_free(host); -out: - return ret; -} -EXPORT_SYMBOL_GPL(ide_pci_init_one); - int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2, const struct ide_port_info *d, void *priv) { struct pci_dev *pdev[] = { dev1, dev2 }; struct ide_host *host; - int ret, i; + int ret, i, n_ports = dev2 ? 4 : 2; struct ide_hw hw[4], *hws[] = { NULL, NULL, NULL, NULL }; - for (i = 0; i < 2; i++) { + for (i = 0; i < n_ports / 2; i++) { ret = ide_setup_pci_controller(pdev[i], d, !i); if (ret < 0) goto out; @@ -596,23 +550,24 @@ int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2, ide_pci_setup_ports(pdev[i], d, &hw[i*2], &hws[i*2]); } - host = ide_host_alloc(d, hws, 4); + host = ide_host_alloc(d, hws, n_ports); if (host == NULL) { ret = -ENOMEM; goto out; } host->dev[0] = &dev1->dev; - host->dev[1] = &dev2->dev; + if (dev2) + host->dev[1] = &dev2->dev; host->host_priv = priv; - host->irq_flags = IRQF_SHARED; pci_set_drvdata(pdev[0], host); - pci_set_drvdata(pdev[1], host); + if (dev2) + pci_set_drvdata(pdev[1], host); - for (i = 0; i < 2; i++) { + for (i = 0; i < n_ports / 2; i++) { ret = do_ide_setup_pci_device(pdev[i], d, !i); /* @@ -638,6 +593,13 @@ out: } EXPORT_SYMBOL_GPL(ide_pci_init_two); +int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d, + void *priv) +{ + return ide_pci_init_two(dev, NULL, d, priv); +} +EXPORT_SYMBOL_GPL(ide_pci_init_one); + void ide_pci_remove(struct pci_dev *dev) { struct ide_host *host = pci_get_drvdata(dev); |