USART_SR_RXNE     189 drivers/tty/serial/stm32-usart.c 	} else if (*sr & USART_SR_RXNE) {
USART_SR_RXNE     471 drivers/tty/serial/stm32-usart.c 	if ((sr & USART_SR_RXNE) && !(stm32_port->rx_ch))