pata_atp867x: add Power Management support

Cc: Jung-Ik (John) Lee <jilee@google.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/ata/pata_atp867x.c b/drivers/ata/pata_atp867x.c
index 4a2cd9a7bad..6fe7ded40c6 100644
--- a/drivers/ata/pata_atp867x.c
+++ b/drivers/ata/pata_atp867x.c
@@ -533,6 +533,23 @@ err_out:
         return rc;
 }
 
+#ifdef CONFIG_PM
+static int atp867x_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;
+
+        atp867x_fixup(host);
+
+        ata_host_resume(host);
+        return 0;
+}
+#endif
+
 static struct pci_device_id atp867x_pci_tbl[] = {
         { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867A),      0 },
         { PCI_VDEVICE(ARTOP, PCI_DEVICE_ID_ARTOP_ATP867B),      0 },
@@ -544,6 +561,10 @@ static struct pci_driver atp867x_driver = {
         .id_table       = atp867x_pci_tbl,
         .probe          = atp867x_init_one,
         .remove         = ata_pci_remove_one,
+#ifdef CONFIG_PM
+        .suspend        = ata_pci_device_suspend,
+        .resume         = atp867x_reinit_one,
+#endif
 };
 
 static int __init atp867x_init(void)