Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755182Ab3IIQIx (ORCPT ); Mon, 9 Sep 2013 12:08:53 -0400 Received: from briaree.onecert.fr ([134.212.190.4]:50671 "EHLO briaree.onecert.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754709Ab3IIQIv (ORCPT ); Mon, 9 Sep 2013 12:08:51 -0400 From: Paul Chavent To: linux-usb@vger.kernel.org, gregkh@linuxfoundation.org, jhovold@gmail.com, fschaefer.oss@googlemail.com, jslaby@suse.cz, max@suse.de, giometti@enneenne.com Cc: linux-kernel@vger.kernel.org, Paul Chavent Subject: [PATCH 4/5] USB : serial : invoke dcd_change ldisc's handler. Date: Mon, 9 Sep 2013 18:01:19 +0200 Message-Id: <1378742480-2146-5-git-send-email-paul.chavent@onera.fr> X-Mailer: git-send-email 1.7.12.1 In-Reply-To: <1378742480-2146-1-git-send-email-paul.chavent@onera.fr> References: <1378742480-2146-1-git-send-email-paul.chavent@onera.fr> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (briaree.onecert.fr [134.212.190.4]); Mon, 09 Sep 2013 18:08:27 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1053 Lines: 33 In order to have the PPS line discipline to work with usb devices. Signed-off-by: Paul Chavent --- drivers/usb/serial/generic.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 91f0592..a18a086 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -567,6 +567,13 @@ void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port, { struct tty_port *port = &usb_port->port; struct tty_struct *tty = tty_port_tty_get(port); + struct tty_ldisc *ld = tty ? tty_ldisc_ref(tty) : NULL; + + if (ld) { + if (ld->ops->dcd_change) + ld->ops->dcd_change(tty, status); + tty_ldisc_deref(ld); + } dev_dbg(&usb_port->dev, "%s - status %d\n", __func__, status); -- 1.7.12.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/