Re: [PATCH v1 1/1] earlycon: Let users set the clock frequency

[Jiri Slaby <jirislaby@xxxxxxxxxx>]

Hi,

On 24. 11. 22, 0:29, Ricardo Ribalda wrote:
> Some platforms, namely AMD Picasso, use non standard uart clocks (48M),
> witch makes it impossible to use with earlycon.
>
> Let the user select its own frequency.
...
> --- a/drivers/tty/serial/earlycon.c
> +++ b/drivers/tty/serial/earlycon.c
> @@ -120,7 +120,11 @@ static int __init parse_options(struct earlycon_device *device, char *options)
>   	}
>   
>   	if (options) {
> +		char *uartclk;
>   		device->baud = simple_strtoul(options, NULL, 0);
> +		uartclk = strchr(options, ',');
> +		if (uartclk)
> +			port->uartclk = simple_strtoull(uartclk + 1, NULL, 0);

uartclk is uint. So why does it make sense to do ull parsing?

thanks,
--
js
suse labs