CONFIG_SERIAL_STM32_CONSOLE 11 drivers/tty/serial/stm32-usart.c #if defined(CONFIG_SERIAL_STM32_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) CONFIG_SERIAL_STM32_CONSOLE 1246 drivers/tty/serial/stm32-usart.c #ifdef CONFIG_SERIAL_STM32_CONSOLE