From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from saturn.retrosnub.co.uk ([178.18.118.26]:43284 "EHLO saturn.retrosnub.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752661Ab3KXU65 (ORCPT ); Sun, 24 Nov 2013 15:58:57 -0500 Message-ID: <5292688F.9050501@kernel.org> Date: Sun, 24 Nov 2013 20:58:55 +0000 From: Jonathan Cameron MIME-Version: 1.0 To: Denis CIOCCA CC: Lars-Peter Clausen , "linux-iio@vger.kernel.org" Subject: Re: [PATCH 05/11] iio:st sensors: remove custom sampling frequence attribute in favour of core support. References: <528DFC82.6090908@st.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org On 11/21/13 15:03, Jonathan Cameron wrote: > > > Denis CIOCCA wrote: >> Hi Jonathan, >> >> I think is a good thing do the porting some features inside the >> framework, but I think is also important don't change the userspace >> interface. >> >> For example now we are developing same libraries and applications that >> using those files. What do you think to add on each driver one sysfs >> file called 'version' that will be updated when the userspace interface >> >> is changed? > Unfortunately the chances are that an app won't read it so that doesn't get around abi changes. btw, the intent with this series is not to change the userspace interface. If I have then it is a bug so please do point it out! > >> >> Thanks, >> Denis >