52 	struct mutex		mutex;  member
215 	if (!mutex_trylock(&tile_uart->mutex))  in tilegx_tx_empty()
221 	mutex_unlock(&tile_uart->mutex);  in tilegx_tx_empty()
265 	if (!mutex_trylock(&tile_uart->mutex))  in tilegx_start_tx()
277 		mutex_unlock(&tile_uart->mutex);  in tilegx_start_tx()
292 	mutex_unlock(&tile_uart->mutex);  in tilegx_start_tx()
307 	if (!mutex_trylock(&tile_uart->mutex))  in tilegx_stop_rx()
314 	mutex_unlock(&tile_uart->mutex);  in tilegx_stop_rx()
337 	if (mutex_lock_interruptible(&tile_uart->mutex))  in tilegx_startup()
383 	mutex_unlock(&tile_uart->mutex);  in tilegx_startup()
394 	mutex_unlock(&tile_uart->mutex);  in tilegx_startup()
412 	if (mutex_lock_interruptible(&tile_uart->mutex))  in tilegx_shutdown()
435 	mutex_unlock(&tile_uart->mutex);  in tilegx_shutdown()
462 	if (!mutex_trylock(&tile_uart->mutex))  in tilegx_set_termios()
470 			mutex_unlock(&tile_uart->mutex);  in tilegx_set_termios()
513 	mutex_unlock(&tile_uart->mutex);  in tilegx_set_termios()
639 		mutex_init(&tile_uart_ports[i].mutex);  in tilegx_init_ports()