From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751799AbbCUS3W (ORCPT ); Sat, 21 Mar 2015 14:29:22 -0400 Received: from mail-la0-f45.google.com ([209.85.215.45]:36100 "EHLO mail-la0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751524AbbCUS3V (ORCPT ); Sat, 21 Mar 2015 14:29:21 -0400 From: Sergej Bauer To: Richard Weinberger Subject: Re: [PATCH 1/1] Add mkopci driver Date: Sat, 21 Mar 2015 21:29:18 +0300 User-Agent: KMail/1.13.7 (Linux/3.18.9; KDE/4.8.4; x86_64; ; ) Cc: Arnd Bergmann , Paul Bolle , linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org References: <201503201510.26639.sergej.bauer@gmail.com> <201503212024.46928.sergej.bauer@gmail.com> <550DAB20.5090504@nod.at> In-Reply-To: <550DAB20.5090504@nod.at> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201503212129.18159.sergej.bauer@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks a lot :) But the driver is really very insignificant. I was wondering about sysfs before, but consumers will not be very happy to get another revision of userspace tools/library. So this is their own problems :) Thanks again and sorry for this uselessness dialogue :) On Saturday 21 March 2015 20:32:16 Richard Weinberger wrote: > Am 21.03.2015 um 18:24 schrieb Sergej Bauer: > > Ok, I realized uselessness of merging this driver... > > Please don't give up that fast! > See: http://airlied.livejournal.com/#item80112 > > > And you brought me to a standstill: > >> passthrough. In either case, both the ioctl interface and the procfs interface have no future > > But what will be after ioctl? > > We will not drop the ioctl() system call. But having a character device with random > ioctl()s is not really a good driver design. > Today we have much more elegant ways to interact between kernel and userspace than ioctl(). > For example sysfs or netlink. > > Thanks, > //richard >