linux-2.6-via-agpc-resume-suspend-support.patch

   1
   2 From: Arkadiusz Miskiewicz <arekm@pld-linux.org>
   3
   4 With this patch I'm able to suspend to disk (well, works even without
   5 patch) and resume (without it my laptop hangs (even sysrq is not working)
   6 while resuming).
   7
   8 Signed-off-by: Arkadiusz Miskiewicz <arekm@pld-linux.org>
   9 Signed-off-by: Andrew Morton <akpm@osdl.org>
  10 ---
  11
  12  25-akpm/drivers/char/agp/via-agp.c |   31 +++++++++++++++++++++++++++++++
  13  1 files changed, 31 insertions(+)
  14
  15 diff -puN drivers/char/agp/via-agp.c~via-agpc-resume-suspend-support drivers/char/agp/via-agp.c
  16 --- 25/drivers/char/agp/via-agp.c~via-agpc-resume-suspend-support       2004-08-04 21:01:53.306912184 -0700
  17 +++ 25-akpm/drivers/char/agp/via-agp.c  2004-08-04 21:01:53.310911576 -0700
  18 @@ -438,6 +438,33 @@ static void __devexit agp_via_remove(str
  19         agp_put_bridge(bridge);
  20  }
  21
  22 +#ifdef CONFIG_PM
  23 +
  24 +static int agp_via_suspend(struct pci_dev *pdev, u32 state)
  25 +{
  26 +       pci_save_state (pdev, pdev->saved_config_space);
  27 +       pci_set_power_state (pdev, 3);
  28 +
  29 +       return 0;
  30 +}
  31 +
  32 +static int agp_via_resume(struct pci_dev *pdev)
  33 +{
  34 +       struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
  35 +
  36 +       pci_set_power_state (pdev, 0);
  37 +       pci_restore_state(pdev, pdev->saved_config_space);
  38 +
  39 +       if (bridge->driver == &via_agp3_driver)
  40 +               return via_configure_agp3();
  41 +       else if (bridge->driver == &via_driver)
  42 +               return via_configure();
  43 +
  44 +       return 0;
  45 +}
  46 +
  47 +#endif /* CONFIG_PM */
  48 +
  49  /* must be the same order as name table above */
  50  static struct pci_device_id agp_via_pci_table[] = {
  51  #define ID(x) \
  52 @@ -487,6 +514,10 @@ static struct pci_driver agp_via_pci_dri
  53         .id_table       = agp_via_pci_table,
  54         .probe          = agp_via_probe,
  55         .remove         = agp_via_remove,
  56 +#ifdef CONFIG_PM
  57 +       .suspend        = agp_via_suspend,
  58 +       .resume         = agp_via_resume,
  59 +#endif
  60  };
  61
  62
  63 _