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of: mdio: warn if deprecated fixed-link binding is used

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The array-style fixed-link binding has been marked deprecated for more
than 10 yrs, but still there's a number of users. Print a warning when
usage of the deprecated binding is detected.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/faf94844-96eb-400f-8a3a-b2a0e93b27d7@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit
2025-09-12 21:06:12 +02:00
committed by Jakub Kicinski
parent 17a0374be9
commit a8ebee579e
1 changed files with 2 additions and 0 deletions
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2
drivers/net/mdio/of_mdio.c
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@@ -447,6 +447,8 @@ int of_phy_register_fixed_link(struct device_node *np)
/* Old binding */
if (of_property_read_u32_array(np, "fixed-link", fixed_link_prop,
ARRAY_SIZE(fixed_link_prop)) == 0) {
pr_warn_once("%pOF uses deprecated array-style fixed-link binding!\n",
np);
status.link = 1;
status.duplex = fixed_link_prop[1];
status.speed = fixed_link_prop[2];