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Date: Fri, 17 Jun 2022 16:32:55 -0400
From: Sean Anderson <sean.anderson@...o.com>
To: "David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Madalin Bucur <madalin.bucur@....com>, netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Paolo Abeni <pabeni@...hat.com>,
Russell King <linux@...linux.org.uk>,
Eric Dumazet <edumazet@...gle.com>,
Sean Anderson <sean.anderson@...o.com>
Subject: [PATCH net-next 11/28] net: fman: Configure fixed link in memac_initialization
memac is the only mac which parses fixed links. Move the
parsing/configuring to its initialization function.
Signed-off-by: Sean Anderson <sean.anderson@...o.com>
---
drivers/net/ethernet/freescale/fman/mac.c | 93 +++++++++++------------
1 file changed, 46 insertions(+), 47 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c
index 5d6159c0e1f0..248108b15cb0 100644
--- a/drivers/net/ethernet/freescale/fman/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac.c
@@ -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;
};
@@ -399,6 +398,7 @@ 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;
@@ -437,21 +437,52 @@ 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;
}
@@ -578,7 +609,7 @@ 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);
@@ -612,7 +643,7 @@ 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,
@@ -622,7 +653,7 @@ 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,
@@ -630,12 +661,12 @@ 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 */
@@ -643,7 +674,7 @@ 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;
@@ -658,14 +689,14 @@ 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++) {
@@ -724,42 +755,12 @@ 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 */
@@ -790,8 +791,6 @@ 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;
}
--
2.35.1.1320.gc452695387.dirty
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