Re: [PATCH v2] serial: 8250_bcm2835aux: Add support for RTS/CTS auto flow control

[Jiri Slaby]

On 30. 09. 26, 14:56, Jan Čermák wrote:
> --- a/drivers/tty/serial/8250/8250_bcm2835aux.c
> +++ b/drivers/tty/serial/8250/8250_bcm2835aux.c
...
> @@ -46,6 +59,150 @@ struct bcm2835aux_data {
>   	u32 cntl;
>   };
>   
> +static bool bcm2835aux_tty_throttled(struct uart_port *port)
> +{
> +	struct tty_struct *tty;
> +	bool throttled;
> +
> +	if (!port->state)
> +		return false;
> +
> +	tty = tty_port_tty_get(&port->state->port);
> +	throttled = tty && tty_throttled(tty);
> +	tty_kref_put(tty);
> +
> +	return throttled;

Instead:

scoped_guard(tty_port_tty, port)
   return tty_throttled(scoped_tty());

return false;

> +}
thanks,
--
js
suse labs