ata: use pci_get_drvdata()

Use the wrapper function for getting the driver data using pci_dev
instead of using dev_get_drvdata() with &pdev->dev, so we can directly
pass a struct pci_dev.  This is a purely cosmetic change.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c
index c8e589d..94473da 100644
--- a/drivers/ata/pata_triflex.c
+++ b/drivers/ata/pata_triflex.c
@@ -211,7 +211,7 @@
 #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);
+	struct ata_host *host = pci_get_drvdata(pdev);
 	int rc = 0;
 
 	rc = ata_host_suspend(host, mesg);