UARTn_CLKDIV 421 drivers/tty/serial/efm32-uart.c efm32_uart_write32(efm_port, clkdiv, UARTn_CLKDIV); UARTn_CLKDIV 571 drivers/tty/serial/efm32-uart.c clkdiv = efm32_uart_read32(efm_port, UARTn_CLKDIV);