From mboxrd@z Thu Jan 1 00:00:00 1970 From: atull Subject: Re: [PATCH v8 2/4] fpga manager: add sysfs interface document Date: Fri, 9 Jan 2015 13:14:24 -0600 Message-ID: References: <1420575219-27061-1-git-send-email-atull@opensource.altera.com> <1420575219-27061-3-git-send-email-atull@opensource.altera.com> <20150107084819.GA1887@amd> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20150107084819.GA1887@amd> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" To: Pavel Machek Cc: mark.rutland@arm.com, linux-doc@vger.kernel.org, rubini@gnudd.com, pantelis.antoniou@konsulko.com, hpa@zytor.com, s.trumtrar@pengutronix.de, devel@driverdev.osuosl.org, sameo@linux.intel.com, nico@linaro.org, ijc+devicetree@hellion.org.uk, michal.simek@xilinx.com, kyle.teske@ni.com, jgunthorpe@obsidianresearch.com, grant.likely@linaro.org, davidb@codeaurora.org, linus.walleij@linaro.org, cesarb@cesarb.net, devicetree@vger.kernel.org, jason@lakedaemon.net, pawel.moll@arm.com, iws@ovro.caltech.edu, broonie@kernel.org, philip@balister.org, dinguyen@opensource.altera.com, monstr@monstr.eu, gregkh@linuxfoundation.org, yvanderv@opensource.altera.com, linux-kernel@vger.kernel.org, balbi@ti.com, delicious.quinoa@gmail.com, robh+dt@kernel.org, rob@landley.net, galak@codeaurora.org, akpm@linux-foundation.org, davem@davemloft.net, m.chehab@samsung.com List-Id: devicetree@vger.kernel.org On Wed, 7 Jan 2015, Pavel Machek wrote: > On Tue 2015-01-06 14:13:37, atull@opensource.altera.com wrote: > > + > > +What: /sys/class/fpga_manager//firmware > > +Date: October 2014 > > +KernelVersion: 3.18 > > +Contact: Alan Tull > > +Description: Name of the FPGA image file to load using firmware > > class. > > This one is ugly: it unneccessarily passes firmware name through the > kernel. Just make interface and code simpler by always passing > "socfpga-fpga-image" or something like that. > > Thanks, > Pavel Hi Pavel, It might be ugly. It's not unnecessary. Some uses of FPGAs involve switching out the FPGA images dynamically under control of the userspace. Alan