USART_SR_TXE      338 drivers/tty/serial/stm32-usart.c 		if (!(readl_relaxed(port->membase + ofs->isr) & USART_SR_TXE))
USART_SR_TXE      474 drivers/tty/serial/stm32-usart.c 	if ((sr & USART_SR_TXE) && !(stm32_port->tx_ch))
USART_SR_TXE      505 drivers/tty/serial/stm32-usart.c 	return readl_relaxed(port->membase + ofs->isr) & USART_SR_TXE;
USART_SR_TXE     1252 drivers/tty/serial/stm32-usart.c 	while (!(readl_relaxed(port->membase + ofs->isr) & USART_SR_TXE))