axienet_mdio_setup(9)

💫 axienet_mdio_setup(9) — straight outta the Kernel API Manual ✨

okay so bestie, gather round, because this is the MDIO setup function and honestly? she's the one who gets the whole thing ready to go 🎀

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🌸 NAME 🌸

axienet_mdio_setup — the MDIO setup function, aka the glow-up starter pack for your MDIO interface 💅

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🦋 SYNOPSIS 🦋

int axienet_mdio_setup (struct axienet_local *lp );

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🍓 ARGUMENTS 🍓

• lp — a pointer to the axienet_local data structure, like, the local data bestie herself 🫶

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⭐ RETURN ⭐

so here's the vibe check on what she hands back to you:

• 0 on success — slay, we ate 💖
• -ETIMEDOUT on a timeout — she waited, she was patient, and it was giving nothing 😭
• -EOVERFLOW on a clock divisor overflow — the divisor literally could not 💀
• -ENOMEM when mdiobus_alloc fails (that's the one that allocates memory for the mii bus structure, iykyk) — no memory, no party 🙈

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🔥 DESCRIPTION 🔥

She sets up the MDIO interface by initializing the MDIO clock, then registers the MDIO interface. that's it, that's the whole main character energy arc 👑

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c — the source, go read her 📖
• axienet_mdio_wait_until_ready(9)
• axienet_mdio_mdc_enable(9)
• axienet_mdio_mdc_disable(9)
• axienet_mdio_read(9)
• axienet_mdio_write(9)
• axienet_mdio_enable(9)
• axienet_mdio_teardown(9)

the whole friend group, fr fr 🧚💜

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mwah 💋 this page lives in ./drivers/net/ethernet/xilinx, dated October 2026 — go off, icon, and remember: register the interface, hydrate, repeat ✨