pch_phub_rea...fy_write_reg(9)

✨ pch_phub_read_modify_write_reg ✨

okay so this is a page from the Kernel API Manual bestie, and the function has the longest name ever — pch_phub_read_modify_write_reg 💅 — the header truncated it to pch_phub_rea...fy_write_reg(9) but we're gonna say the whole thing, obviously.

---

🌸 NAME 🌸

pch_phub_read_modify_write_reg — reading, modifying, and writing a register. yes, all three. it's giving "do everything" energy 👑

---

🦋 SYNOPSIS 🦋

void pch_phub_read_modify_write_reg (struct pch_phub_reg *chip ,
unsigned int reg_addr_offset , unsigned int data , unsigned int mask );

like, it returns void, so don't go looking for a return value, there isn't one 🎀

---

💖 ARGUMENTS 💖

• chip — a pointer to the struct pch_phub_reg structure. that's your PHUB register struct bestie, hold it gently 🫶
• reg_addr_offset — the register offset address value. literally the address offset. of the register. iykyk ✨
• data — the writing value. this is the thing you're writing, no cap 💫
• mask — the mask value. it's a mask. it masks 🔥

---

🌈 SEE ALSO 🌈

• Kernel file ./drivers/misc/pch_phub.c — and also struct pch_phub_reg(9) 👑
• pch_phub_read_serial_rom(9)
• pch_phub_write_serial_rom(9)
• pch_phub_read_serial_rom_val(9)
• pch_phub_write_serial_rom_val(9)
• pch_phub_read_gbe_mac_addr(9)
• pch_phub_write_gbe_mac_addr(9)

the whole PHUB friend group fr fr, go read them all 💜

---

ngl this one's short and sweet — no environment variables, no exit statuses, no warnings to scream about. just vibes and a register getting read-modified-written 🌸

and that's the whole page!! sourced from ./drivers/misc, dated October 2026, per the pch_phub_rea...fy_write_reg(9) footer. mwah, go forth and modify some registers 💅🎀🦋