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Message-ID: <1d6eeae6-96c9-4c25-a250-01fb7580c9be@gmail.com>
Date: Sat, 30 Aug 2025 12:29:54 +0200
From: Heiner Kallweit <hkallweit1@...il.com>
To: Shawn Guo <shawnguo@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
<conor+dt@...nel.org>, Patrice Chotard <patrice.chotard@...s.st.com>,
Andrew Lunn <andrew@...n.ch>, Andrew Lunn <andrew+netdev@...n.ch>,
Russell King - ARM Linux <linux@...linux.org.uk>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>, David Miller <davem@...emloft.net>
Cc: "linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 4/5] net: mdio: remove support for old fixed-link
binding
The old array-type fixed-link binding has been deprecated
for more than 10 yrs. So remove support for it.
Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
drivers/net/mdio/of_mdio.c | 26 --------------------------
1 file changed, 26 deletions(-)
diff --git a/drivers/net/mdio/of_mdio.c b/drivers/net/mdio/of_mdio.c
index d8ca63ed8..5df01717a 100644
--- a/drivers/net/mdio/of_mdio.c
+++ b/drivers/net/mdio/of_mdio.c
@@ -379,21 +379,12 @@ struct phy_device *of_phy_get_and_connect(struct net_device *dev,
}
EXPORT_SYMBOL(of_phy_get_and_connect);
-/*
- * of_phy_is_fixed_link() and of_phy_register_fixed_link() must
- * support two DT bindings:
- * - the old DT binding, where 'fixed-link' was a property with 5
- * cells encoding various information about the fixed PHY
- * - the new DT binding, where 'fixed-link' is a sub-node of the
- * Ethernet device.
- */
bool of_phy_is_fixed_link(struct device_node *np)
{
struct device_node *dn;
int err;
const char *managed;
- /* New binding */
dn = of_get_child_by_name(np, "fixed-link");
if (dn) {
of_node_put(dn);
@@ -404,10 +395,6 @@ bool of_phy_is_fixed_link(struct device_node *np)
if (err == 0 && strcmp(managed, "auto") != 0)
return true;
- /* Old binding */
- if (of_property_count_u32_elems(np, "fixed-link") == 5)
- return true;
-
return false;
}
EXPORT_SYMBOL(of_phy_is_fixed_link);
@@ -416,7 +403,6 @@ int of_phy_register_fixed_link(struct device_node *np)
{
struct fixed_phy_status status = {};
struct device_node *fixed_link_node;
- u32 fixed_link_prop[5];
const char *managed;
if (of_property_read_string(np, "managed", &managed) == 0 &&
@@ -425,7 +411,6 @@ int of_phy_register_fixed_link(struct device_node *np)
goto register_phy;
}
- /* New binding */
fixed_link_node = of_get_child_by_name(np, "fixed-link");
if (fixed_link_node) {
status.link = 1;
@@ -444,17 +429,6 @@ int of_phy_register_fixed_link(struct device_node *np)
goto register_phy;
}
- /* Old binding */
- if (of_property_read_u32_array(np, "fixed-link", fixed_link_prop,
- ARRAY_SIZE(fixed_link_prop)) == 0) {
- status.link = 1;
- status.duplex = fixed_link_prop[1];
- status.speed = fixed_link_prop[2];
- status.pause = fixed_link_prop[3];
- status.asym_pause = fixed_link_prop[4];
- goto register_phy;
- }
-
return -ENODEV;
register_phy:
--
2.51.0
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