net: fman: Configure fixed link in memac_initialization
authorSean Anderson <sean.anderson@seco.com>
Thu, 18 Aug 2022 16:16:33 +0000 (12:16 -0400)
committerJakub Kicinski <kuba@kernel.org>
Fri, 19 Aug 2022 23:35:54 +0000 (16:35 -0700)
memac is the only mac which parses fixed links. Move the
parsing/configuring to its initialization function.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Acked-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/freescale/fman/mac.c

index 5b3a6ea2d0e205b4d06ea8e34f67e65cdc30778b..af5e5d98e23ee81b6cef56a791c916f625bd3c91 100644 (file)
@@ -34,7 +34,6 @@ struct mac_priv_s {
        /* List of multicast addresses */
        struct list_head                mc_addr_list;
        struct platform_device          *eth_dev;
-       struct fixed_phy_status         *fixed_link;
        u16                             speed;
        u16                             max_speed;
 };
@@ -391,6 +390,7 @@ static int memac_initialization(struct mac_device *mac_dev,
        int                      err;
        struct mac_priv_s       *priv;
        struct fman_mac_params   params;
+       struct fixed_phy_status *fixed_link;
 
        priv = mac_dev->priv;
        mac_dev->set_promisc            = memac_set_promiscuous;
@@ -429,21 +429,52 @@ static int memac_initialization(struct mac_device *mac_dev,
        if (err < 0)
                goto _return_fm_mac_free;
 
-       err = memac_cfg_fixed_link(mac_dev->fman_mac, priv->fixed_link);
-       if (err < 0)
-               goto _return_fm_mac_free;
+       if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
+               struct phy_device *phy;
+
+               err = of_phy_register_fixed_link(mac_node);
+               if (err)
+                       goto _return_fm_mac_free;
+
+               fixed_link = kzalloc(sizeof(*fixed_link), GFP_KERNEL);
+               if (!fixed_link) {
+                       err = -ENOMEM;
+                       goto _return_fm_mac_free;
+               }
+
+               mac_dev->phy_node = of_node_get(mac_node);
+               phy = of_phy_find_device(mac_dev->phy_node);
+               if (!phy) {
+                       err = -EINVAL;
+                       of_node_put(mac_dev->phy_node);
+                       goto _return_fixed_link_free;
+               }
+
+               fixed_link->link = phy->link;
+               fixed_link->speed = phy->speed;
+               fixed_link->duplex = phy->duplex;
+               fixed_link->pause = phy->pause;
+               fixed_link->asym_pause = phy->asym_pause;
+
+               put_device(&phy->mdio.dev);
+
+               err = memac_cfg_fixed_link(mac_dev->fman_mac, fixed_link);
+               if (err < 0)
+                       goto _return_fixed_link_free;
+       }
 
        err = memac_init(mac_dev->fman_mac);
        if (err < 0)
-               goto _return_fm_mac_free;
+               goto _return_fixed_link_free;
 
        dev_info(mac_dev->dev, "FMan MEMAC\n");
 
        goto _return;
 
+_return_fixed_link_free:
+       kfree(fixed_link);
 _return_fm_mac_free:
        memac_free(mac_dev->fman_mac);
-
 _return:
        return err;
 }
@@ -570,7 +601,7 @@ static int mac_probe(struct platform_device *_of_dev)
                dev_err(dev, "of_get_parent(%pOF) failed\n",
                        mac_node);
                err = -EINVAL;
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
 
        of_dev = of_find_device_by_node(dev_node);
@@ -604,7 +635,7 @@ static int mac_probe(struct platform_device *_of_dev)
        if (err < 0) {
                dev_err(dev, "of_address_to_resource(%pOF) = %d\n",
                        mac_node, err);
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
 
        mac_dev->res = __devm_request_region(dev,
@@ -614,7 +645,7 @@ static int mac_probe(struct platform_device *_of_dev)
        if (!mac_dev->res) {
                dev_err(dev, "__devm_request_mem_region(mac) failed\n");
                err = -EBUSY;
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
 
        priv->vaddr = devm_ioremap(dev, mac_dev->res->start,
@@ -622,12 +653,12 @@ static int mac_probe(struct platform_device *_of_dev)
        if (!priv->vaddr) {
                dev_err(dev, "devm_ioremap() failed\n");
                err = -EIO;
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
 
        if (!of_device_is_available(mac_node)) {
                err = -ENODEV;
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
 
        /* Get the cell-index */
@@ -635,7 +666,7 @@ static int mac_probe(struct platform_device *_of_dev)
        if (err) {
                dev_err(dev, "failed to read cell-index for %pOF\n", mac_node);
                err = -EINVAL;
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
        priv->cell_index = (u8)val;
 
@@ -650,14 +681,14 @@ static int mac_probe(struct platform_device *_of_dev)
                dev_err(dev, "of_count_phandle_with_args(%pOF, fsl,fman-ports) failed\n",
                        mac_node);
                err = nph;
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
 
        if (nph != ARRAY_SIZE(mac_dev->port)) {
                dev_err(dev, "Not supported number of fman-ports handles of mac node %pOF from device tree\n",
                        mac_node);
                err = -EINVAL;
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
 
        for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) {
@@ -716,42 +747,12 @@ static int mac_probe(struct platform_device *_of_dev)
 
        /* Get the rest of the PHY information */
        mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0);
-       if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) {
-               struct phy_device *phy;
-
-               err = of_phy_register_fixed_link(mac_node);
-               if (err)
-                       goto _return_of_get_parent;
-
-               priv->fixed_link = kzalloc(sizeof(*priv->fixed_link),
-                                          GFP_KERNEL);
-               if (!priv->fixed_link) {
-                       err = -ENOMEM;
-                       goto _return_of_get_parent;
-               }
-
-               mac_dev->phy_node = of_node_get(mac_node);
-               phy = of_phy_find_device(mac_dev->phy_node);
-               if (!phy) {
-                       err = -EINVAL;
-                       of_node_put(mac_dev->phy_node);
-                       goto _return_of_get_parent;
-               }
-
-               priv->fixed_link->link = phy->link;
-               priv->fixed_link->speed = phy->speed;
-               priv->fixed_link->duplex = phy->duplex;
-               priv->fixed_link->pause = phy->pause;
-               priv->fixed_link->asym_pause = phy->asym_pause;
-
-               put_device(&phy->mdio.dev);
-       }
 
        err = init(mac_dev, mac_node);
        if (err < 0) {
                dev_err(dev, "mac_dev->init() = %d\n", err);
                of_node_put(mac_dev->phy_node);
-               goto _return_of_get_parent;
+               goto _return_of_node_put;
        }
 
        /* pause frame autonegotiation enabled */
@@ -782,8 +783,6 @@ static int mac_probe(struct platform_device *_of_dev)
 
 _return_of_node_put:
        of_node_put(dev_node);
-_return_of_get_parent:
-       kfree(priv->fixed_link);
 _return:
        return err;
 }