ide: Use dev_get_drvdata where possible

Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/ide/siimage.c

@@ -648,8 +648,7 @@ static void sil_quirkproc(ide_drive_t *drive)
 
 static void init_iops_siimage(ide_hwif_t *hwif)
 {
-	struct pci_dev *dev = to_pci_dev(hwif->dev);
-	struct ide_host *host = pci_get_drvdata(dev);
+	struct ide_host *host = dev_get_drvdata(hwif->dev);
 
 	hwif->hwif_data = NULL;
 

drivers/ide/via82cxxx.c

@@ -175,8 +175,7 @@ static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing)
 static void via_set_drive(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	ide_drive_t *peer = ide_get_pair_dev(drive);
-	struct pci_dev *dev = to_pci_dev(hwif->dev);
-	struct ide_host *host = pci_get_drvdata(dev);
+	struct ide_host *host = dev_get_drvdata(hwif->dev);
 	struct via82cxxx_dev *vdev = host->host_priv;
 	struct ide_timing t, p;
 	unsigned int T, UT;