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Searched refs:atomic_write_lock (Results 1 – 3 of 3) sorted by relevance

/Linux-v4.19/drivers/tty/serial/8250/
D8250_uniphier.c39 spinlock_t atomic_write_lock; member
137 spin_lock_irqsave(&priv->atomic_write_lock, flags); in uniphier_serial_out()
142 spin_unlock_irqrestore(&priv->atomic_write_lock, flags); in uniphier_serial_out()
233 spin_lock_init(&priv->atomic_write_lock); in uniphier_uart_probe()
/Linux-v4.19/drivers/tty/
Dtty_io.c878 mutex_unlock(&tty->atomic_write_lock); in tty_write_unlock()
884 if (!mutex_trylock(&tty->atomic_write_lock)) { in tty_write_lock()
887 if (mutex_lock_interruptible(&tty->atomic_write_lock)) in tty_write_lock()
995 mutex_lock(&tty->atomic_write_lock); in tty_write_message()
2838 mutex_init(&tty->atomic_write_lock); in alloc_tty_struct()
/Linux-v4.19/include/linux/
Dtty.h295 struct mutex atomic_write_lock; member
564 #define tty_is_writelocked(tty) (mutex_is_locked(&tty->atomic_write_lock))