libata: PCI device should be powered up before being accessed

[linux-2.6-block.git] / drivers / ata / pata_cmd640.c

diff --git a/drivers/ata/pata_cmd640.c b/drivers/ata/pata_cmd640.c
index 43d198f909680f926464e1583e650166c193b435..0ef1d1ded1f83bf3961de2e5ec261a7aa8117d50 100644 (file)
--- a/drivers/ata/pata_cmd640.c
+++ b/drivers/ata/pata_cmd640.c
@@ -254,20 +254,31 @@ static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                .port_ops = &cmd640_port_ops
        };
        const struct ata_port_info *ppi[] = { &info, NULL };
+       int rc;
+
+       rc = pcim_enable_device(pdev);
+       if (rc)
+               return rc;
 
        cmd640_hardware_init(pdev);
+
        return ata_pci_init_one(pdev, ppi);
 }
 
+#ifdef CONFIG_PM
 static int cmd640_reinit_one(struct pci_dev *pdev)
 {
+       struct ata_host *host = dev_get_drvdata(&pdev->dev);
+       int rc;
+
+       rc = ata_pci_device_do_resume(pdev);
+       if (rc)
+               return rc;
        cmd640_hardware_init(pdev);
-#ifdef CONFIG_PM
-       return ata_pci_device_resume(pdev);
-#else
+       ata_host_resume(host);
        return 0;
-#endif
 }
+#endif
 
 static const struct pci_device_id cmd640[] = {
        { PCI_VDEVICE(CMD, 0x640), 0 },
@@ -281,8 +292,8 @@ static struct pci_driver cmd640_pci_driver = {
        .remove         = ata_pci_remove_one,
 #ifdef CONFIG_PM
        .suspend        = ata_pci_device_suspend,
-#endif
        .resume         = cmd640_reinit_one,
+#endif
 };
 
 static int __init cmd640_init(void)