USART_CR1_UESM   1358 drivers/tty/serial/stm32-usart.c 		stm32_set_bits(port, ofs->cr1, USART_CR1_UESM);
USART_CR1_UESM   1366 drivers/tty/serial/stm32-usart.c 		stm32_clr_bits(port, ofs->cr1, USART_CR1_UESM);