On Wednesday 23 November 2011 17:59:06 Simon Glass wrote:
> --- a/arch/arm/cpu/armv7/tegra2/board.c
> +++ b/arch/arm/cpu/armv7/tegra2/board.c
>
> +static void setup_uarts(int uart_ids)
> +{
> +     static enum periph_id id_for_uart[UART_COUNT] = {
> +             PERIPH_ID_UART1,
> +             PERIPH_ID_UART2,
> +             PERIPH_ID_UART3,
> +             PERIPH_ID_UART4,
> +     };

does this need the [UART_COUNT] ?  what if you used "[]" ...

> +     int i;

size_t

> +     for (i = 0; i < UART_COUNT; i++) {

... and then did ARRAY_SIZE(id_for_uart) ?

> +void board_init_uart_f(void)
> +{
> +     int uart_ids = 0;       /* bit mask of which UART ids to enable */
> +
> +#ifdef CONFIG_TEGRA2_ENABLE_UARTA
> +     uart_ids |= UARTA;
> +#endif
> +#ifdef CONFIG_TEGRA2_ENABLE_UARTB
> +     uart_ids |= UARTB;
> +#endif
> +#ifdef CONFIG_TEGRA2_ENABLE_UARTD
> +     uart_ids |= UARTD;
> +#endif
> +     setup_uarts(uart_ids);
> +}

we added a func in the Blackfin pinmux API where you could pass it a list of 
peripherals to mux.  so you could do:
        static const unsigned pin_list[] = {
        #ifdef CONFIG_TEGRA2_ENABLE_UARTA
                UART1,
        #endif
                0,
        };
        pinmux_request_list(pin_list);

and the list version would just walk the 0-terminated array calling 
pinmux_request() automatically
-mike

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