Re: [PATCH v3] serial: 8250: Clear CON_PRINTBUFFER on port re-registration

[Fushuai Wang]

> diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
> index a428e88938eb..5419f1d22d47 100644
> --- a/drivers/tty/serial/8250/8250_core.c
> +++ b/drivers/tty/serial/8250/8250_core.c
> @@ -716,8 +716,12 @@ int serial8250_register_8250_port(const struct uart_8250_port *up)
>  	if (uart->port.type == PORT_8250_CIR)
>  		return -ENODEV;
>  
> -	if (uart->port.dev)
> +	if (uart->port.dev) {
> +		if (uart_console(&uart->port))
> +			uart->port.cons->flags &= ~CON_PRINTBUFFER;
> +
>  		uart_remove_one_port(&serial8250_reg, &uart->port);
> +	}
>  
>  	uart->port.ctrl_id	= up->port.ctrl_id;
>  	uart->port.port_id	= up->port.port_id;

ping.

-- 
Regards,
WANG