hw_read_id_reg(9)

💖 NAME 💖

okay so bestie, welcome to the Kernel API Manual glow-up for hw_read_id_reg(9) ✨ this one is literally the function that reads from a identification register 💅

🌸 SYNOPSIS 🌸

u32 hw_read_id_reg (struct ci_hdrc *ci , u32 offset , u32 mask );

🎀 ARGUMENTS 🎀

• ci — the controller 👑
• offset — offset from the beginning of identification registers region 📍
• mask — bitfield mask 🎭

🦋 DESCRIPTION 🦋

This function returns register contents. no cap, that's the whole vibe 💖 it's giving “read the register, return the contents” and honestly? iconic ✨

🌈 SEE ALSO 🌈

Kernel file ./drivers/usb/chipidea/ci.h plus these besties:

• struct ci_hw_ep(9)
• struct ci_role_driver(9)
• struct hw_bank(9)
• struct ci_hdrc(9)
• hw_write_id_reg(9)
• hw_read(9)
• hw_write(9)
• hw_test_and_clear(9)
• hw_test_and_write(9)
• ci_otg_is_fsm_mode(9)

xoxo, your kernel bestie 💅 — source/version: ./drivers/usb/chipidea, date: October 2026, page: hw_read_id_reg(9) 🫶✨