[Feature Request] Can you add uart_stop () and uart_start() functions to serial drivers?

[KeyMagicHorse]

Feature Request Type

• Core functionality
• Add-on hardware support (eg. audio, RGB, OLED screen, etc.)
• Alteration (enhancement/optimization) of existing feature(s)
• New behavior

Description

I've already modified it in my personal branch (uart_sio.c/uart_serial.c in chibios), what should I do if I need to merge?

static bool is_initialised = false;
void uart_init(uint32_t baud) {

    if (is_initialised) {
        return;
    }
    is_initialised = true;

#if defined(MCU_KINETIS)
    serialConfig.sc_speed = baud;
#else
    serialConfig.speed = baud;
#endif

#if defined(USE_GPIOV1)
    palSetLineMode(UART_TX_PIN, UART_TX_PAL_MODE);
    palSetLineMode(UART_RX_PIN, UART_RX_PAL_MODE);
#else
    palSetLineMode(UART_TX_PIN, PAL_MODE_ALTERNATE(UART_TX_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
    palSetLineMode(UART_RX_PIN, PAL_MODE_ALTERNATE(UART_RX_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
#endif

    sdStart(&UART_DRIVER, &serialConfig);
}
void uart_stop(void)
{
    sdStop(&UART_DRIVER);
    is_initialised = false;
}
void uart_start(void)
{
#if defined(MCU_KINETIS)
    uint32_t baud = serialConfig.sc_speed;
#else
    uint32_t baud = serialConfig.speed ;
#endif
    uart_init(baud);
}