efm32_uart_driver 817 drivers/tty/serial/efm32-uart.c static struct platform_driver efm32_uart_driver = { efm32_uart_driver 835 drivers/tty/serial/efm32-uart.c ret = platform_driver_register(&efm32_uart_driver); efm32_uart_driver 847 drivers/tty/serial/efm32-uart.c platform_driver_unregister(&efm32_uart_driver);