i2c_dw_init_regmap(9)

🎀 NAME 🎀

Bestie, welcome to i2c_dw_init_regmap(9) — straight outta the Kernel API Manual. This one is literally about initializing the registers map. Slay. 💅

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✨ SYNOPSIS ✨

int i2c_dw_init_regmap (struct dw_i2c_dev *dev );

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🫶 ARGUMENTS 🫶

• dev — device private data. That's the one and only argument, and it's giving "just pass me the device's private data, babe." 🎀

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🌸 DESCRIPTION 🌸

Okay so here's the vibe: i2c_dw_init_regmap() autodetects the needed register access mode and creates the regmap with the corresponding read/write callbacks. Iconic behavior, no cap. ✨

This must be called before doing any other register access. Like, before before. Do not come in here doing random register stuff first, bestie — that is not the assignment. 😭

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💖 RETURN 💖

• 0 on success, or a negative errno otherwise. So if it's zero, we celebrate; if it's negative, that's your lil error messenger. 🫶

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🦋 SEE ALSO 🦋

• Kernel file ./drivers/i2c/busses/i2c-designware-common.c
• i2c_dw_set_mode(9)
• i2c_dw_init(9)

These are your besties for the rest of the lore. iykyk. 💜

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xoxo, mwah 💋 — this page comes from source ./drivers/i2c/busses, dated October 2026, and it's the i2c_dw_init_regmap(9) manual page. Periodt. 🌈