Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (39 commits)
  [SCSI] qla2xxx: Update version number to 8.02.00-k5.
  [SCSI] qla2xxx: Correct display of ISP serial-number.
  [SCSI] qla2xxx: Correct residual-count handling discrepancies during UNDERRUN handling.
  [SCSI] qla2xxx: Make driver (mostly) legacy I/O port free.
  [SCSI] qla2xxx: Fix issue where final flash-segment updates were falling into the slow-path write handler.
  [SCSI] qla2xxx: Handle unaligned sector writes during NVRAM/VPD updates.
  [SCSI] qla2xxx: Defer explicit interrupt-polling processing to init-time scenarios.
  [SCSI] qla2xxx: Resync with latest HBA SSID specification -- 2.2u.
  [SCSI] sym53c8xx: Remove sym_xpt_async_sent_bdr
  [SCSI] sym53c8xx: Remove pci_dev pointer from sym_shcb
  [SCSI] sym53c8xx: Make interrupt handler capable of returning IRQ_NONE
  [SCSI] sym53c8xx: Get rid of IRQ_FMT and IRQ_PRM
  [SCSI] sym53c8xx: Use scmd_printk where appropriate
  [SCSI] sym53c8xx: Simplify DAC DMA handling
  [SCSI] sym53c8xx: Remove tag_ctrl module parameter
  [SCSI] sym53c8xx: Remove io_ws, mmio_ws and ram_ws elements
  [SCSI] sym53c8xx: Remove ->device_id
  [SCSI] sym53c8xx: Use pdev->revision
  [SCSI] sym53c8xx: PCI Error Recovery support
  [SCSI] sym53c8xx: Stop overriding scsi_done
  ...

1 files changed, 46 insertions, 0 deletions

diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index ea5687df732..4488946cff2 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -49,6 +49,8 @@ static int	ahc_linux_pci_reserve_io_region(struct ahc_softc *ahc,
 static int	ahc_linux_pci_reserve_mem_region(struct ahc_softc *ahc,
 						 u_long *bus_addr,
 						 uint8_t __iomem **maddr);
+static int	ahc_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg);
+static int	ahc_linux_pci_dev_resume(struct pci_dev *pdev);
 static void	ahc_linux_pci_dev_remove(struct pci_dev *pdev);
 
 /* Define the macro locally since it's different for different class of chips.
@@ -133,10 +135,54 @@ MODULE_DEVICE_TABLE(pci, ahc_linux_pci_id_table);
 static struct pci_driver aic7xxx_pci_driver = {
 	.name		= "aic7xxx",
 	.probe		= ahc_linux_pci_dev_probe,
+#ifdef CONFIG_PM
+	.suspend	= ahc_linux_pci_dev_suspend,
+	.resume		= ahc_linux_pci_dev_resume,
+#endif
 	.remove		= ahc_linux_pci_dev_remove,
 	.id_table	= ahc_linux_pci_id_table
 };
 
+static int
+ahc_linux_pci_dev_suspend(struct pci_dev *pdev, pm_message_t mesg)
+{
+	struct ahc_softc *ahc = pci_get_drvdata(pdev);
+	int rc;
+
+	if ((rc = ahc_suspend(ahc)))
+		return rc;
+
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+
+	if (mesg.event == PM_EVENT_SUSPEND)
+		pci_set_power_state(pdev, PCI_D3hot);
+
+	return rc;
+}
+
+static int
+ahc_linux_pci_dev_resume(struct pci_dev *pdev)
+{
+	struct ahc_softc *ahc = pci_get_drvdata(pdev);
+	int rc;
+
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+
+	if ((rc = pci_enable_device(pdev))) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "failed to enable device after resume (%d)\n", rc);
+		return rc;
+	}
+
+	pci_set_master(pdev);
+
+	ahc_pci_resume(ahc);
+
+	return (ahc_resume(ahc));
+}
+
 static void
 ahc_linux_pci_dev_remove(struct pci_dev *pdev)
 {