c0f3332cb5f2 ("serial: stm32: clean wakeup handling in serial_suspend") 56f9a76c27b5 ("serial: stm32: add "_usart" prefix in functions name") 92fc00238675 ("serial: stm32: fix code cleaning warnings and checks") e7997f7ff7f8 ("serial: stm32: fix DMA initialization error handling") 24832ca3ee85 ("tty: serial: stm32-usart: Remove set but unused 'cookie' variables") ad0c2748059f ("serial: stm32: Add RS485 RTS GPIO control again") c150c0f362c1 ("serial: Allow uart_get_rs485_mode() to return errno") 6cf61b9bd7cc ("tty: serial: Add modem control gpio support for STM32 UART")