From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758127Ab3GMH6W (ORCPT ); Sat, 13 Jul 2013 03:58:22 -0400 Received: from moutng.kundenserver.de ([212.227.17.9]:63850 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756201Ab3GMH6U (ORCPT ); Sat, 13 Jul 2013 03:58:20 -0400 From: Arnd Bergmann To: Sergei Shtylyov Subject: Re: [PATCH] misc: add driver for Renesas R-Car Gyro-ADC/speed-pulse interfaces Date: Sat, 13 Jul 2013 09:58:16 +0200 User-Agent: KMail/1.12.2 (Linux/3.8.0-22-generic; KDE/4.3.2; x86_64; ; ) Cc: Greg KH , linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org References: <201307130351.42967.sergei.shtylyov@cogentembedded.com> <20130713005702.GA14788@kroah.com> <51E0AA24.6070203@cogentembedded.com> In-Reply-To: <51E0AA24.6070203@cogentembedded.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201307130958.16533.arnd@arndb.de> X-Provags-ID: V02:K0:Adif1FQbcqevMkIPMg2Nh9E+KoTKMayJ4GHc7FRjLp2 VLvgcUPdX8n93zNkEeLkchiUjrQLIKgKehE+lp/ACPbkYr3KIq SRWAwTJA/nFI5CK70UVKimPyuTPRupadnwn8U+VFQqimWuEE/b xqVotnc5ntZHzWjSZ50+leLpMkWK2uajB39OpWr1vXudKt5NP4 HWDu6cK2NjNWcQ3oFyPgKWC9FZv+nLE66I2CubtBS4y9S8NJgZ +2SKkFqDmnKsJyQAZ3VgwYZ6CcWFjdoZpqN5+lhFKp/PVqLjn9 aIMXzDvATDHY2xEMo6Obk7XinoBBG7Eghw7awXSnqaPPhU8KUI kVWmtePCLfwv0/Rc3pSQ= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Saturday 13 July 2013, Sergei Shtylyov wrote: > > And are you sure you want to control this through sysfs? There's no > > other better user/kernel apis for it? > > I found none, besides ioctl(), as the device driven is rather > unique. But I thought that sysfs is "ioctl() today", so I went with it... > It does sound like it would fit better into IIO than just a misc driver, even if it's the only hardware of its kind. Arnd