[question] De-registration does not remove port

[Greg KH]

On Wed, Jun 23, 2021 at 11:42:36AM +0530, Saubhik Mukherjee wrote:
> In drivers/tty/serial/arc_uart.c, arc_serial_remove always returns 0,
> instead of calling uart_remove_one_port to remove uart port from serial
> core. The comment says "This will be never be called". In my understanding,
> a port added using uart_add_one_port should be removed during
> de-registration.
> 
> Is there a reason for this behavior?

Did you test the code to see if that function will ever be called?

thanks,

greg k-h