From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Hans J. Koch" Subject: Re: [spi-devel-general] [Patch 0/4] IndustrialIO subsystem (ADCs, accelerometers etc) Date: Thu, 24 Jul 2008 09:41:25 +0200 Message-ID: <20080724074124.GB2254@local> References: <488763AD.4050400@gmail.com> <20080723191918.GC26938@trinity.fluff.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jonathan Cameron , mgross@linux.intel.com, Dmitry Torokhov , LKML , LM Sensors , David Brownell , hmh@hmh.eng.br, Jean Delvare , spi-devel-general@lists.sourceforge.net, Ben Nizette To: Ben Dooks Return-path: Content-Disposition: inline In-Reply-To: <20080723191918.GC26938@trinity.fluff.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org On Wed, Jul 23, 2008 at 08:19:18PM +0100, Ben Dooks wrote: > On Wed, Jul 23, 2008 at 06:00:29PM +0100, Jonathan Cameron wrote: > > Dear All, > > > > The need for an industrialio subsystem was discussed in > > http://lkml.org/lkml/2008/5/20/135 > > The name is really bad, this sounds like something for doing large > scale industrial process control. Well, it says "Industrial I/O". To me, this means it handles I/O devices typically found in industrial applications. > > > Firstly thanks to all the people who have contributed to the discussion > > of this in the past. > > > > In brief the intention is provide a kernel subsystem directed towards the > > handling on sensors (and later related output devices) such as ADC's, > > accelerometers and many others. > > We've already got an perfectly good hwmon framework, do we really need > to do this again? hwmon is designed for slow I/O. It won't handle an ADC that does a few megasamples/sec. Thanks, Hans From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Hans J. Koch" Date: Thu, 24 Jul 2008 07:41:25 +0000 Subject: Re: [lm-sensors] [spi-devel-general] [Patch 0/4] IndustrialIO Message-Id: <20080724074124.GB2254@local> List-Id: References: <488763AD.4050400@gmail.com> <20080723191918.GC26938@trinity.fluff.org> In-Reply-To: <20080723191918.GC26938@trinity.fluff.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ben Dooks Cc: Jonathan Cameron , mgross@linux.intel.com, Dmitry Torokhov , LKML , LM Sensors , David Brownell , hmh@hmh.eng.br, Jean Delvare , spi-devel-general@lists.sourceforge.net, Ben Nizette On Wed, Jul 23, 2008 at 08:19:18PM +0100, Ben Dooks wrote: > On Wed, Jul 23, 2008 at 06:00:29PM +0100, Jonathan Cameron wrote: > > Dear All, > > > > The need for an industrialio subsystem was discussed in > > http://lkml.org/lkml/2008/5/20/135 > > The name is really bad, this sounds like something for doing large > scale industrial process control. Well, it says "Industrial I/O". To me, this means it handles I/O devices typically found in industrial applications. > > > Firstly thanks to all the people who have contributed to the discussion > > of this in the past. > > > > In brief the intention is provide a kernel subsystem directed towards the > > handling on sensors (and later related output devices) such as ADC's, > > accelerometers and many others. > > We've already got an perfectly good hwmon framework, do we really need > to do this again? hwmon is designed for slow I/O. It won't handle an ADC that does a few megasamples/sec. Thanks, Hans _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors