dm: Use access methods for dev/uclass private data

Most drivers use these access methods but a few do not. Update them.

In some cases the access is not permitted, so mark those with a FIXME tag
for the maintainer to check.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Pratyush Yadav <p.yadav@ti.com>
diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c
index 02ccf1e..a10f87e 100644
--- a/drivers/net/fm/eth.c
+++ b/drivers/net/fm/eth.c
@@ -547,7 +547,11 @@
 	struct fm_eth *fm_eth;
 	struct fsl_enet_mac *mac;
 
+#ifndef CONFIG_DM_ETH
 	fm_eth = (struct fm_eth *)dev->priv;
+#else
+	fm_eth = dev_get_priv(dev);
+#endif
 	mac = fm_eth->mac;
 
 	/* graceful stop the transmission of frames */
@@ -577,7 +581,11 @@
 	u16 offset_in;
 	int i;
 
+#ifndef CONFIG_DM_ETH
 	fm_eth = (struct fm_eth *)dev->priv;
+#else
+	fm_eth = dev_get_priv(dev);
+#endif
 	pram = fm_eth->tx_pram;
 	txbd = fm_eth->cur_txbd;
 
@@ -664,13 +672,19 @@
 static int fm_eth_recv(struct udevice *dev, int flags, uchar **packetp)
 #endif
 {
-	struct fm_eth *fm_eth = (struct fm_eth *)dev->priv;
-	struct fm_port_bd *rxbd = fm_eth->cur_rxbd;
+	struct fm_eth *fm_eth;
+	struct fm_port_bd *rxbd;
 	u32 buf_lo, buf_hi;
 	u16 status, len;
 	int ret = -1;
 	u8 *data;
 
+#ifndef CONFIG_DM_ETH
+	fm_eth = (struct fm_eth *)dev->priv;
+#else
+	fm_eth = dev_get_priv(dev);
+#endif
+	rxbd = fm_eth->cur_rxbd;
 	status = muram_readw(&rxbd->status);
 
 	while (!(status & RxBD_EMPTY)) {
@@ -704,7 +718,7 @@
 #ifdef CONFIG_DM_ETH
 static int fm_eth_free_pkt(struct udevice *dev, uchar *packet, int length)
 {
-	struct fm_eth *fm_eth = (struct fm_eth *)dev->priv;
+	struct fm_eth *fm_eth = (struct fm_eth *)dev_get_priv(dev);
 
 	fm_eth->cur_rxbd = fm_eth_free_one(fm_eth, fm_eth->cur_rxbd);
 
@@ -1004,7 +1018,7 @@
 
 static int fm_eth_probe(struct udevice *dev)
 {
-	struct fm_eth *fm_eth = (struct fm_eth *)dev->priv;
+	struct fm_eth *fm_eth = (struct fm_eth *)dev_get_priv(dev);
 	struct ofnode_phandle_args args;
 	void *reg;
 	int ret, index;