cdns_i2c_probe(9)

okay so bestie, we're in the Kernel API Manual and the function on the menu is cdns_i2c_probe(9) — let's get into it 💅✨

✨ NAME ✨

cdns_i2c_probe — literally the platform registration call, no cap 🫶

🌸 SYNOPSIS 🌸

int cdns_i2c_probe (struct platform_device *pdev );

🎀 ARGUMENTS 🎀

• pdev — handle to the platform device structure. It's the device paperwork you're handing over, bestie 🫶

🦋 DESCRIPTION 🦋

So this function does all the memory allocation and registration for the i2c device. The whole setup arc — memory allocation, registration, the works ✨

And yes: the user can modify the address mode to 10 bit address mode using the ioctl call with option I2C_TENBIT. Iconic little toggle behavior, iykyk 💅

💖 RETURN 💖

• 0 on success, negative error otherwise. Slay when it's 0, and when it's negative? That's a vibe check fail, bestie 😭

🌈 SEE ALSO 🌈

Kernel file ./drivers/i2c/busses/i2c-cadence.c — and the whole SEE ALSO squad is here, fr fr:

• enum cdns_i2c_mode(9)
• enum cdns_i2c_slave_state(9)
• struct cdns_i2c(9)
• cdns_i2c_init(9)
• cdns_i2c_runtime_suspend(9)
• cdns_i2c_runtime_resume(9)
• cdns_i2c_clear_bus_hold(9)
• cdns_i2c_slave_isr(9)
• cdns_i2c_master_isr(9)
• cdns_i2c_isr(9)
• cdns_i2c_mrecv(9)
• cdns_i2c_msend(9)
• cdns_i2c_master_reset(9)
• cdns_i2c_master_xfer(9)
• cdns_i2c_master_xfer_atomic(9)
• cdns_i2c_func(9)
• cdns_i2c_calc_divs(9)
• cdns_i2c_setclk(9)
• cdns_i2c_clk_notifier_cb(9)
• cdns_i2c_detect_transfer_size(9)
• cdns_i2c_remove(9)
• cdns_i2c_shutdown(9)

xoxo bestie 💖 — source is ./drivers/i2c/busses, date stamp is October 2026, and this manual page is cdns_i2c_probe(9). Byeee 🫶✨