tty/serial/stm32-usart.c

155 	    !(rs485conf->flags & SER_RS485_ENABLED))
158 	if (rs485conf->flags & SER_RS485_RTS_ON_SEND) {
173 	    !(rs485conf->flags & SER_RS485_ENABLED))
176 	if (rs485conf->flags & SER_RS485_RTS_ON_SEND) {
233 	if (rs485conf->flags & SER_RS485_ENABLED) {
250 		if (rs485conf->flags & SER_RS485_RTS_ON_SEND)
259 			rs485conf->flags |= SER_RS485_RX_DURING_TX;
284 	rs485conf->flags = 0;
400 		 * Clear errors flags for stm32f7 and stm32h7 compatible
540 	unsigned long flags;
542 	uart_port_lock_irqsave(port, &flags);
544 	uart_unlock_and_check_sysrq_irqrestore(port, flags);
643 	unsigned long flags;
648 	uart_port_lock_irqsave(port, &flags);
650 	uart_port_unlock_irqrestore(port, flags);
800 	    port->rs485.flags & SER_RS485_ENABLED &&
850 		    port->rs485.flags & SER_RS485_ENABLED) {
869 	    port->rs485.flags & SER_RS485_ENABLED &&
1004 	unsigned long flags;
1006 	uart_port_lock_irqsave(port, &flags);
1019 	uart_port_unlock_irqrestore(port, flags);
1027 	unsigned long flags;
1029 	uart_port_lock_irqsave(port, &flags);
1043 	uart_port_unlock_irqrestore(port, flags);
1064 	unsigned long flags;
1066 	spin_lock_irqsave(&port->lock, flags);
1073 	spin_unlock_irqrestore(&port->lock, flags);
1177 	unsigned long flags;
1187 	uart_port_lock_irqsave(port, &flags);
1370 	if (rs485conf->flags & SER_RS485_ENABLED) {
1375 		if (rs485conf->flags & SER_RS485_RTS_ON_SEND) {
1377 			rs485conf->flags &= ~SER_RS485_RTS_AFTER_SEND;
1380 			rs485conf->flags |= SER_RS485_RTS_AFTER_SEND;
1399 	uart_port_unlock_irqrestore(port, flags);
1422 static void stm32_usart_config_port(struct uart_port *port, int flags)
1424 	if (flags & UART_CONFIG_TYPE)
1442 	unsigned long flags;
1449 		uart_port_lock_irqsave(port, &flags);
1451 		uart_port_unlock_irqrestore(port, flags);
1571 	.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND |
1589 	port->flags	= UPF_BOOT_AUTOCONF;
1947 	unsigned long flags;
1952 		locked = uart_port_trylock_irqsave(port, &flags);
1954 		uart_port_lock_irqsave(port, &flags);
1968 		uart_port_unlock_irqrestore(port, flags);
2004 	.flags		= CON_PRINTBUFFER,
2083 	unsigned long flags;
2103 			uart_port_lock_irqsave(port, &flags);
2108 			uart_unlock_and_check_sysrq_irqrestore(port, flags);