From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH v2 1/3] add sysfs document for fpga bridges Date: Wed, 29 Oct 2014 09:25:44 +0100 Message-ID: <20141029082544.GB22891@amd> References: <1414108267-22058-1-git-send-email-atull@opensource.altera.com> <1414108267-22058-2-git-send-email-atull@opensource.altera.com> <20141024105420.GB20775@amd> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-doc-owner@vger.kernel.org To: atull Cc: jgunthorpe@obsidianresearch.com, hpa@zytor.com, monstr@monstr.eu, michal.simek@xilinx.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, pantelis.antoniou@konsulko.com, robh+dt@kernel.org, grant.likely@linaro.org, iws@ovro.caltech.edu, linux-doc@vger.kernel.org, broonie@kernel.org, philip@balister.org, rubini@gnudd.com, s.trumtrar@pengutronix.de, jason@lakedaemon.net, kyle.teske@ni.com, nico@linaro.org, balbi@ti.com, m.chehab@samsung.com, davidb@codeaurora.org, rob@landley.net, davem@davemloft.net, cesarb@cesarb.net, sameo@linux.intel.com, akpm@linux-foundation.org, linus.walleij@linaro.org, mgerlach@opensource.altera.com, delicious.quinoa@gmail.com, dinguyen@opensource.altera.com, yvanderv@opensource.altera.com List-Id: devicetree@vger.kernel.org On Fri 2014-10-24 10:11:26, atull wrote: > On Fri, 24 Oct 2014, Pavel Machek wrote: > > > On Thu 2014-10-23 18:51:05, atull@opensource.altera.com wrote: > > > From: Alan Tull > > > > > > Add sysfs document for fpga bridges. > > > > > > --- /dev/null > > > +++ b/Documentation/ABI/testing/sysfs-class-fpga-bridge > > > @@ -0,0 +1,5 @@ > > > +What: /sys/class/fpga-bridge//enable > > > +Date: October 2014 > > > +KernelVersion: 3.18 > > > +Contact: Alan Tull > > > +Description: Enable bridge. Write 1 to bring bridge out of reset. > > > > Specify, what happens when 0 is written there? > > Yes, I will add: 'Write 0 has no effect.' Definitely add it, then. The way it is written, I'd expect 0 to put bridge into reset. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html