diff options
Diffstat (limited to 'drivers/serial/serial_stm32.c')
| -rw-r--r-- | drivers/serial/serial_stm32.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/serial/serial_stm32.c b/drivers/serial/serial_stm32.c index 1ee58142b3f..1675a9cb9d1 100644 --- a/drivers/serial/serial_stm32.c +++ b/drivers/serial/serial_stm32.c @@ -299,13 +299,19 @@ static inline struct stm32_uart_info *_debug_uart_info(void) static inline void _debug_uart_init(void) { - void __iomem *base = (void __iomem *)CONFIG_VAL(DEBUG_UART_BASE); - struct stm32_uart_info *uart_info = _debug_uart_info(); + void __maybe_unused __iomem *base = (void __iomem *)CONFIG_VAL(DEBUG_UART_BASE); + struct stm32_uart_info *uart_info __maybe_unused = _debug_uart_info(); - _stm32_serial_init(base, uart_info); - _stm32_serial_setbrg(base, uart_info, - CONFIG_DEBUG_UART_CLOCK, - CONFIG_BAUDRATE); + /* + * debug_uart_init() is only usable when SPL_BUILD is enabled + * (STM32MP1 case only) + */ + if (IS_ENABLED(CONFIG_DEBUG_UART) && IS_ENABLED(CONFIG_SPL_BUILD)) { + _stm32_serial_init(base, uart_info); + _stm32_serial_setbrg(base, uart_info, + CONFIG_DEBUG_UART_CLOCK, + CONFIG_BAUDRATE); + } } static inline void _debug_uart_putc(int c) |