igb_release_nvm(9)

💖 igb_release_nvm — the "okay bestie, you can have the EEPROM back" moment 💖

Okay so picture this: you're in the igb kernel API manual (section 9, kernel girlies, that's function land ✨), and there's this little function called igb_release_nvm. Bestie, it's the polite exit. It's the "thanks for letting me borrow your charger" of EEPROM access. Let's get into it 🫶

---

✨ NAME ✨

igb_release_nvm — release exclusive access to EEPROM, no cap 💅

---

🌸 SYNOPSIS 🌸

void igb_release_nvm (struct e1000_hw *hw );

---

🎀 ARGUMENTS 🎀

• hw — pointer to the HW structure. That's your hardware handle, the little portal to all the registers and vibes. Keep it close 💖

---

🦋 DESCRIPTION 🦋

So here's the tea, bestie: this function stops any current commands to the EEPROM and clears the EEPROM request bit. That's it. That's the whole job. She's a closer, not a starter 🔥

Think of it like you've been hogging the aux cord (the EEPROM) for your exclusive access era, and now you're wrapping up, killing whatever command is still playing, and flipping the request bit back to "available" so everyone else can queue up 🌈

Literally just cleanup duty, but make it iconic 👑

---

👑 SEE ALSO 👑

The kernel file where all this lives:

./drivers/net/ethernet/intel/igb/e1000_nvm.c

And the whole friend group, because the EEPROM stuff is very much a group chat 💬:

• igb_raise_eec_clk(9)
• igb_lower_eec_clk(9)
• igb_shift_out_eec_bits(9)
• igb_shift_in_eec_bits(9)
• igb_poll_eerd_eewr_done(9)
• igb_acquire_nvm(9)
• igb_standby_nvm(9)
• e1000_stop_nvm(9)
• igb_ready_nvm_eeprom(9)
• igb_read_nvm_spi(9)
• igb_read_nvm_eerd(9)
• igb_write_nvm_spi(9)
• igb_read_part_string(9)
• igb_read_mac_addr(9)
• igb_validate_nvm_checksum(9)
• igb_update_nvm_checksum(9)
• igb_get_fw_version(9)

---

💡 Reminder for the study girlies: igb_acquire_nvm(9) is the one that takes the exclusive access, and igb_release_nvm(9) is the one that gives it back. Do your vibe check and please, fr fr, release what you acquire 🙈

---

And that's the page! 💅 This one came from ./drivers/net/ethernet/intel/igb, and the date on the tin says October 2026 🍓 Go be responsible with your EEPROM access, bestie, and remember: acquire, do your thing, release. Slay 💜✨