net: enetc: squash clear_cbdr and free_cbdr into teardown_cbdr

All call sites call enetc_clear_cbdr and enetc_free_cbdr one after
another, so let's combine the two functions into a single method named
enetc_teardown_cbdr which does both, and in the same order.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/enetc/enetc.c

@@ -1074,8 +1074,7 @@ int enetc_alloc_si_resources(struct enetc_ndev_priv *priv)
 	return 0;
 
 err_alloc_cls:
-	enetc_clear_cbdr(&si->cbd_ring);
-	enetc_free_cbdr(&si->cbd_ring);
+	enetc_teardown_cbdr(&si->cbd_ring);
 
 	return err;
 }
@@ -1084,8 +1083,7 @@ void enetc_free_si_resources(struct enetc_ndev_priv *priv)
 {
 	struct enetc_si *si = priv->si;
 
-	enetc_clear_cbdr(&si->cbd_ring);
-	enetc_free_cbdr(&si->cbd_ring);
+	enetc_teardown_cbdr(&si->cbd_ring);
 
 	kfree(priv->cls_rules);
 }

drivers/net/ethernet/freescale/enetc/enetc.h

@@ -314,8 +314,7 @@ void enetc_set_ethtool_ops(struct net_device *ndev);
 /* control buffer descriptor ring (CBDR) */
 int enetc_setup_cbdr(struct device *dev, struct enetc_hw *hw,
 		     struct enetc_cbdr *cbdr);
-void enetc_free_cbdr(struct enetc_cbdr *cbdr);
-void enetc_clear_cbdr(struct enetc_cbdr *cbdr);
+void enetc_teardown_cbdr(struct enetc_cbdr *cbdr);
 int enetc_set_mac_flt_entry(struct enetc_si *si, int index,
 			    char *mac_addr, int si_map);
 int enetc_clear_mac_flt_entry(struct enetc_si *si, int index);

drivers/net/ethernet/freescale/enetc/enetc_cbdr.c

@@ -44,22 +44,19 @@ int enetc_setup_cbdr(struct device *dev, struct enetc_hw *hw,
 	return 0;
 }
 
-void enetc_free_cbdr(struct enetc_cbdr *cbdr)
+void enetc_teardown_cbdr(struct enetc_cbdr *cbdr)
 {
 	int size = cbdr->bd_count * sizeof(struct enetc_cbd);
 
+	/* disable ring */
+	enetc_wr_reg(cbdr->mr, 0);
+
 	dma_free_coherent(cbdr->dma_dev, size, cbdr->bd_base,
 			  cbdr->bd_dma_base);
 	cbdr->bd_base = NULL;
 	cbdr->dma_dev = NULL;
 }
 
-void enetc_clear_cbdr(struct enetc_cbdr *cbdr)
-{
-	/* disable ring */
-	enetc_wr_reg(cbdr->mr, 0);
-}
-
 static void enetc_clean_cbdr(struct enetc_cbdr *ring)
 {
 	struct enetc_cbd *dest_cbd;

drivers/net/ethernet/freescale/enetc/enetc_pf.c

@@ -1095,8 +1095,7 @@ static void enetc_init_unused_port(struct enetc_si *si)
 	enetc_init_port_rfs_memory(si);
 	enetc_init_port_rss_memory(si);
 
-	enetc_clear_cbdr(&si->cbd_ring);
-	enetc_free_cbdr(&si->cbd_ring);
+	enetc_teardown_cbdr(&si->cbd_ring);
 }
 
 static int enetc_pf_probe(struct pci_dev *pdev,