+static int wait_cmd_ready(struct r8152 *tp, u16 cmd)
+{
+	int i, ret = 0;
+
+	for (i = 0; i < 10; i++) {
+		u16 ocp_data = ocp_read_word(tp, MCU_TYPE_USB, cmd);
+
+		if (!(ocp_data & ADV_CMD_BUSY))
+			break;
+		usleep_range(1000, 2000);
+	}
+
+	if (i == 10)
+		ret = -ETIMEDOUT;
+
+	return ret;

It is better practice to use one of the helpers from linux/iopoll.h.

-static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
+static int r8152_tx_csum(struct r8152 *tp, void *d,
 			 struct sk_buff *skb, u32 len)
 {
+	struct rx_desc *desc = d;
 	u32 mss = skb_shinfo(skb)->gso_size;
 	u32 opts1, opts2 = 0;
 	int ret = TX_CSUM_SUCCESS;

Reversed Christmas tree is already messed up here, but please don't
make it worse. Add desc after mss.

+static void r8157_rx_vlan_tag(void *desc, struct sk_buff *skb)
+{
+	struct rx_desc_v2 *d = desc;
+	u32 opts1 = le32_to_cpu(d->opts1);

And here you need to move the assignment into the body in order to
keep to reverse Christmas tree.

	Andrew