Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752528AbdFMJTX (ORCPT ); Tue, 13 Jun 2017 05:19:23 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:54676 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752019AbdFMJTV (ORCPT ); Tue, 13 Jun 2017 05:19:21 -0400 Date: Tue, 13 Jun 2017 11:19:13 +0200 From: Greg KH To: Tal Shorer Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, balbi@kernel.org, corbet@lwn.net Subject: Re: [PATCH v2 6/8] usb: gadget: f_acm: add an ioctl to get the current line coding Message-ID: <20170613091913.GA24844@kroah.com> References: <1497336734-19368-1-git-send-email-tal.shorer@gmail.com> <1497336734-19368-7-git-send-email-tal.shorer@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1497336734-19368-7-git-send-email-tal.shorer@gmail.com> User-Agent: Mutt/1.8.3 (2017-05-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 604 Lines: 16 On Tue, Jun 13, 2017 at 09:52:12AM +0300, Tal Shorer wrote: > The user can issue USB_F_GET_LINE_CODING to get the current line coding > as set by the host (or the default if unset yet). > > Signed-off-by: Tal Shorer > --- > Documentation/ioctl/ioctl-number.txt | 1 + > drivers/usb/gadget/function/f_acm.c | 19 +++++++++++++++++++ > include/uapi/linux/usb/f_acm.h | 12 ++++++++++++ Where is this ioctl being called? On the tty device? If so, which one? The gadget driver's tty device node? Or somewhere else? confused at the different levels here, sorry. greg k-h