drivers/scsi/fdomain_pci.c

   1 // SPDX-License-Identifier: GPL-2.0
   2
   3 #include <linux/module.h>
   4 #include <linux/pci.h>
   5 #include "fdomain.h"
   6
   7 static int fdomain_pci_probe(struct pci_dev *pdev,
   8                              const struct pci_device_id *d)
   9 {
  10         int err;
  11         struct Scsi_Host *sh;
  12
  13         err = pci_enable_device(pdev);
  14         if (err)
  15                 goto fail;
  16
  17         err = pci_request_regions(pdev, "fdomain_pci");
  18         if (err)
  19                 goto disable_device;
  20
  21         err = -ENODEV;
  22         if (pci_resource_len(pdev, 0) == 0)
  23                 goto release_region;
  24
  25         sh = fdomain_create(pci_resource_start(pdev, 0), pdev->irq, 7,
  26                             &pdev->dev);
  27         if (!sh)
  28                 goto release_region;
  29
  30         pci_set_drvdata(pdev, sh);
  31         return 0;
  32
  33 release_region:
  34         pci_release_regions(pdev);
  35 disable_device:
  36         pci_disable_device(pdev);
  37 fail:
  38         return err;
  39 }
  40
  41 static void fdomain_pci_remove(struct pci_dev *pdev)
  42 {
  43         struct Scsi_Host *sh = pci_get_drvdata(pdev);
  44
  45         fdomain_destroy(sh);
  46         pci_release_regions(pdev);
  47         pci_disable_device(pdev);
  48 }
  49
  50 static struct pci_device_id fdomain_pci_table[] = {
  51         { PCI_DEVICE(PCI_VENDOR_ID_FD, PCI_DEVICE_ID_FD_36C70) },
  52         {}
  53 };
  54 MODULE_DEVICE_TABLE(pci, fdomain_pci_table);
  55
  56 static struct pci_driver fdomain_pci_driver = {
  57         .name           = "fdomain_pci",
  58         .id_table       = fdomain_pci_table,
  59         .probe          = fdomain_pci_probe,
  60         .remove         = fdomain_pci_remove,
  61         .driver.pm      = FDOMAIN_PM_OPS,
  62 };
  63
  64 module_pci_driver(fdomain_pci_driver);
  65
  66 MODULE_AUTHOR("Ondrej Zary, Rickard E. Faith");
  67 MODULE_DESCRIPTION("Future Domain TMC-3260 PCI SCSI driver");
  68 MODULE_LICENSE("GPL");