From: rentao.bupt@gmail.com
To: Andrew Lunn <andrew@lunn.ch>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Heyi Guo <guoheyi@linux.alibaba.com>,
Dylan Hung <dylan_hung@aspeedtech.com>,
Guangbin Huang <huangguangbin2@huawei.com>,
Liang He <windhl@126.com>, Hao Chen <chenhao288@hisilicon.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>,
Tao Ren <taoren@fb.com>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org
Cc: Tao Ren <rentao.bupt@gmail.com>
Subject: [PATCH net-next v3 1/2] net: ftgmac100: support fixed link
Date: Tue, 6 Sep 2022 22:44:52 -0700 [thread overview]
Message-ID: <20220907054453.20016-2-rentao.bupt@gmail.com> (raw)
In-Reply-To: <20220907054453.20016-1-rentao.bupt@gmail.com>
From: Tao Ren <rentao.bupt@gmail.com>
Support fixed link in ftgmac100 driver. Fixed link is used on several
Meta OpenBMC platforms, such as Elbert (AST2620) and Wedge400 (AST2520).
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
Changes in v3: None
Changes in v2: None
drivers/net/ethernet/faraday/ftgmac100.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 9277d5fb5052..da04beee5865 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -1701,10 +1701,14 @@ static int ftgmac100_setup_mdio(struct net_device *netdev)
static void ftgmac100_phy_disconnect(struct net_device *netdev)
{
+ struct ftgmac100 *priv = netdev_priv(netdev);
+
if (!netdev->phydev)
return;
phy_disconnect(netdev->phydev);
+ if (of_phy_is_fixed_link(priv->dev->of_node))
+ of_phy_deregister_fixed_link(priv->dev->of_node);
}
static void ftgmac100_destroy_mdio(struct net_device *netdev)
@@ -1867,6 +1871,26 @@ static int ftgmac100_probe(struct platform_device *pdev)
err = -EINVAL;
goto err_phy_connect;
}
+ } else if (np && of_phy_is_fixed_link(np)) {
+ struct phy_device *phy;
+
+ err = of_phy_register_fixed_link(np);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to register fixed PHY\n");
+ goto err_phy_connect;
+ }
+
+ phy = of_phy_get_and_connect(priv->netdev, np,
+ &ftgmac100_adjust_link);
+ if (!phy) {
+ dev_err(&pdev->dev, "Failed to connect to fixed PHY\n");
+ of_phy_deregister_fixed_link(np);
+ err = -EINVAL;
+ goto err_phy_connect;
+ }
+
+ /* Display what we found */
+ phy_attached_info(phy);
} else if (np && of_get_property(np, "phy-handle", NULL)) {
struct phy_device *phy;
--
2.37.3
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next prev parent reply other threads:[~2022-09-07 5:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-07 5:44 [PATCH net-next v3 0/2] net: ftgmac100: support fixed link rentao.bupt
2022-09-07 5:44 ` rentao.bupt [this message]
2022-09-07 18:43 ` [PATCH net-next v3 1/2] " Florian Fainelli
2022-09-07 5:44 ` [PATCH net-next v3 2/2] ARM: dts: aspeed: elbert: Enable mac3 controller rentao.bupt
2022-09-07 18:31 ` Andrew Lunn
2022-09-07 18:44 ` Florian Fainelli
2022-09-15 11:00 ` [PATCH net-next v3 0/2] net: ftgmac100: support fixed link patchwork-bot+netdevbpf
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