1 files changed, 22 insertions, 1 deletions

diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c
index 03b6d69d6197..b3e0c9432283 100644
--- a/drivers/ata/pata_triflex.c
+++ b/drivers/ata/pata_triflex.c
@@ -210,13 +210,34 @@ static const struct pci_device_id triflex[] = {
         { },
 };
 
+#ifdef CONFIG_PM
+static int triflex_ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
+{
+        struct ata_host *host = dev_get_drvdata(&pdev->dev);
+        int rc = 0;
+
+        rc = ata_host_suspend(host, mesg);
+        if (rc)
+                return rc;
+
+        /*
+         * We must not disable or powerdown the device.
+         * APM bios refuses to suspend if IDE is not accessible.
+         */
+        pci_save_state(pdev);
+
+        return 0;
+}
+
+#endif
+
 static struct pci_driver triflex_pci_driver = {
         .name           = DRV_NAME,
         .id_table       = triflex,
         .probe          = triflex_init_one,
         .remove         = ata_pci_remove_one,
 #ifdef CONFIG_PM
-        .suspend        = ata_pci_device_suspend,
+        .suspend        = triflex_ata_pci_device_suspend,
         .resume         = ata_pci_device_resume,
 #endif
 };