uart_port_unlock(9)

💅 uart_port_unlock — like, the unlock girlie of the UART port world

okay so real talk, this page lives in the Kernel API Manual and it's honestly icon status. it's the little void function that lets go of the lock so your whole serial driver doesn't deadlock and give main character energy to nobody. slay. 🎀

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✨ NAME ✨

uart_port_unlock — Unlock the UART port. that's it. that's the vibe check and she passed. 💖

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🦋 SYNOPSIS 🦋

void uart_port_unlock (struct uart_port *up );

no return value, no drama, just releasing. periodt. ✨

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🌸 ARGUMENTS 🌸

• up — Pointer to UART port structure. like, she needs to know which port to unlock bestie, so hand her the struct uart_port * and she'll handle the rest. 🫶

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👑 SEE ALSO 👑

okay the friend group is HUGE and honestly every one of them ate 🔥. here's the whole squad, no cap:

• Kernel file ./include/linux/serial_core.h
• struct uart_ops(9)
• uart_port_set_cons(9)
• uart_port_lock(9)
• uart_port_lock_irq(9)
• uart_port_lock_irqsave(9)
• uart_port_trylock(9)
• uart_port_trylock_irqsave(9)
• uart_port_unlock_irq(9)
• uart_port_unlock_irqrestore(9)
• enum uart_pm_state(9)
• uart_xmit_advance(9)
• enum UART_TX_FLAGS(9)
• uart_port_tx_limited(9)
• uart_port_tx_limited_flags(9)
• uart_port_tx(9)
• uart_port_tx_flags(9)

ngl if you're locking, you have to unlock — that's the whole friendship contract 💀. the uart_port_lock* girlies and the uart_port_unlock* girlies go together, iykyk.

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anyway bestie, that's the whole page — short, sweet, and literally doing her job 🌈💜

mwah 💋 — signed off from ./include/linux, dated October 2026, and brought to you by the same Kernel API Manual that keeps the whole group chat running 🧚⭐