lan937x_tx_config_aneg(9)

💅 lan937x_tx_config_aneg(9) 💅

okay so bestie, this is a page from the Kernel API Manual, and it's all about lan937x_tx_config_aneg — a kernel function with serious "configure the PHY" main character energy ✨

💖 NAME 💖

lan937x_tx_config_aneg — configures auto-negotiation and fixed modes for the LAN937x TX PHY. That's the whole assignment, and it ate 💅

✨ SYNOPSIS ✨

int lan937x_tx_config_aneg (struct phy_device *phydev );

🎀 ARGUMENTS 🎀

• phydev — pointer to the phy_device structure. that's the one argument, and it's literally right there in the name 🫶

🦋 DESCRIPTION 🦋

So this function configures the MDIX mode for the LAN937x TX PHY, and then it proceeds to configure the auto-negotiation or fixed mode settings based on the phy_device structure. Two-step situation, no cap 💅

🌸 RETURN 🌸

• 0 on success.
• a negative error code on failure.

That's the whole return vibe check: zero means slay, negative means something went sideways 😭

🌈 SEE ALSO 🌈

• Kernel file ./drivers/net/phy/microchip.c
• lan937x_tx_read_mdix_status(9)
• lan937x_tx_read_status(9)
• lan937x_tx_set_mdix(9)

xoxo, lan937x_tx_config_aneg(9) — source/version ./drivers/net/phy, date October 2026. mwah 💋✨