[PATCH] tty: serial: atmel: Ignore chars when CREAD is cleared

[Greg KH]

On Mon, May 11, 2026 at 09:26:55PM +0530, Rakesh Alasyam wrote:
> Ignore received characters when CREAD is cleared by adding RXRDY
> to ignore_status_mask.
> 
> This replaces an existing TODO in the driver.
> 
> Tested on hardware.
> 
> Signed-off-by: Rakesh Alasyam <alasyamrakesh77 at gmail.com>
> 
> ---
> 
> v2:
> - Add blank line before comment
> - Tested on hardware
> ---
>  drivers/tty/serial/atmel_serial.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
> index 5d8c1cfc1c60..5c756dc904b0 100644
> --- a/drivers/tty/serial/atmel_serial.c
> +++ b/drivers/tty/serial/atmel_serial.c
> @@ -2184,7 +2184,8 @@ static void atmel_set_termios(struct uart_port *port,
>  		if (termios->c_iflag & IGNPAR)
>  			port->ignore_status_mask |= ATMEL_US_OVRE;
>  	}
> -	/* TODO: Ignore all characters if CREAD is set.*/
> +	if (!(termios->c_cflag & CREAD))
> +		port->ignore_status_mask |= ATMEL_US_RXRDY;
>  
>  	/* update the per-port timeout */
>  	uart_update_timeout(port, termios->c_cflag, baud);
> -- 
> 2.43.0
> 

No v2 in the subject line :(