Use __maybe_unused for power management related functionsinstead of #if CONFIG_PM_SLEEP to simply the code. fixes: 270e5a74fe4c ("serial: stm32: add wakeup mechanism") Signed-off-by: Erwan Le Ray <erwan.leray@xxxxxx> diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 05d2ef6..aa3da1c 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -1200,8 +1200,8 @@ static int stm32_console_setup(struct console *co, char *options) .cons = STM32_SERIAL_CONSOLE, }; -#ifdef CONFIG_PM_SLEEP -static void stm32_serial_enable_wakeup(struct uart_port *port, bool enable) +static void __maybe_unused stm32_serial_enable_wakeup(struct uart_port *port, + bool enable) { struct stm32_port *stm32_port = to_stm32_port(port); struct stm32_usart_offsets *ofs = &stm32_port->info->ofs; @@ -1225,7 +1225,7 @@ static void stm32_serial_enable_wakeup(struct uart_port *port, bool enable) } } -static int stm32_serial_suspend(struct device *dev) +static int __maybe_unused stm32_serial_suspend(struct device *dev) { struct uart_port *port = dev_get_drvdata(dev); @@ -1241,7 +1241,7 @@ static int stm32_serial_suspend(struct device *dev) return 0; } -static int stm32_serial_resume(struct device *dev) +static int __maybe_unused stm32_serial_resume(struct device *dev) { struct uart_port *port = dev_get_drvdata(dev); @@ -1252,7 +1252,6 @@ static int stm32_serial_resume(struct device *dev) return uart_resume_port(&stm32_usart_driver, port); } -#endif /* CONFIG_PM_SLEEP */ static int __maybe_unused stm32_serial_runtime_suspend(struct device *dev) { -- 1.9.1