Re: [PATCH] serial: don't announce CIR serial ports

From: Greg Kroah-Hartman
Date: Mon Aug 03 2015 - 19:40:21 EST


On Sun, Aug 02, 2015 at 11:09:57PM +0200, Maciej S. Szmigiero wrote:
> CIR type serial ports aren't real serial ports.
> This is just a way to prevent legacy serial driver
> from probing and eventually binding some resources
> so don't announce them like normal serial ports.
>
> Signed-off-by: Maciej Szmigiero <mail@xxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/tty/serial/serial_core.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
> index f368520..99f944d 100644
> --- a/drivers/tty/serial/serial_core.c
> +++ b/drivers/tty/serial/serial_core.c
> @@ -2237,7 +2237,7 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
> port->ops->config_port(port, flags);
> }
>
> - if (port->type != PORT_UNKNOWN) {
> + if (port->type != PORT_UNKNOWN && port->type != PORT_8250_CIR) {
> unsigned long flags;
>
> uart_report_port(drv, port);

This does not seem correct, why is this type of "port" somehow special
that it should be skiped?

thanks,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/