new_cr1 1265 drivers/tty/serial/stm32-usart.c u32 old_cr1, new_cr1; new_cr1 1278 drivers/tty/serial/stm32-usart.c new_cr1 = old_cr1 & ~USART_CR1_IE_MASK; new_cr1 1279 drivers/tty/serial/stm32-usart.c new_cr1 |= USART_CR1_TE | BIT(cfg->uart_enable_bit); new_cr1 1280 drivers/tty/serial/stm32-usart.c writel_relaxed(new_cr1, port->membase + ofs->cr1);