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

/linux-4.4.14/drivers/tty/serial/8250/
D8250_uniphier.c34 spinlock_t atomic_write_lock; member
102 spin_lock_irqsave(&priv->atomic_write_lock, flags); in uniphier_serial_out()
107 spin_unlock_irqrestore(&priv->atomic_write_lock, flags); in uniphier_serial_out()
202 spin_lock_init(&priv->atomic_write_lock); in uniphier_uart_probe()
/linux-4.4.14/include/linux/
Dtty.h271 struct mutex atomic_write_lock; member
527 #define tty_is_writelocked(tty) (mutex_is_locked(&tty->atomic_write_lock))
/linux-4.4.14/drivers/tty/
Dtty_io.c1084 mutex_unlock(&tty->atomic_write_lock); in tty_write_unlock()
1090 if (!mutex_trylock(&tty->atomic_write_lock)) { in tty_write_lock()
1093 if (mutex_lock_interruptible(&tty->atomic_write_lock)) in tty_write_lock()
1201 mutex_lock(&tty->atomic_write_lock); in tty_write_message()
3158 mutex_init(&tty->atomic_write_lock); in alloc_tty_struct()