From: Pavel Machek <pavel@denx.de>
To: atull <atull@opensource.altera.com>
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
Subject: Re: [PATCH v8 2/4] fpga manager: add sysfs interface document
Date: Fri, 9 Jan 2015 21:56:44 +0100 [thread overview]
Message-ID: <20150109205643.GA5761@amd> (raw)
In-Reply-To: <alpine.DEB.2.02.1501091302370.30067@linuxheads99>
On Fri 2015-01-09 13:14:24, atull wrote:
> 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/<fpga>/firmware
> > > +Date: October 2014
> > > +KernelVersion: 3.18
> > > +Contact: Alan Tull <atull@opensource.altera.com>
> > > +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.
Then configure udev to load right firmware for you, or ln -s
image-i-want-now socfpga-fpga-image to select the one to read...?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2015-01-09 20:56 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-06 20:13 [PATCH v8 0/4] FPGA Manager Framework atull
2015-01-06 20:13 ` [PATCH v8 1/4] doc: add bindings document for altera fpga manager atull
2015-01-06 22:05 ` Rob Herring
2015-01-06 22:34 ` atull
2015-01-09 15:50 ` Rob Herring
[not found] ` <CAL_Jsq+pn5MW6veUivEL49FLSQxZOWRq0gU9Q6iD5jzurKK3rQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-09 18:58 ` atull
2015-01-06 20:13 ` [PATCH v8 2/4] fpga manager: add sysfs interface document atull
2015-01-07 8:48 ` Pavel Machek
2015-01-09 19:14 ` atull
2015-01-09 20:56 ` Pavel Machek [this message]
2015-01-10 8:10 ` Pantelis Antoniou
2015-01-10 15:11 ` Pavel Machek
2015-01-11 16:29 ` atull
2015-01-12 8:45 ` Pavel Machek
2015-01-12 13:48 ` Michal Simek
2015-01-13 7:28 ` Pavel Machek
2015-01-13 7:40 ` Pantelis Antoniou
2015-01-13 7:56 ` Pavel Machek
2015-01-13 17:27 ` atull
2015-01-12 16:05 ` Rob Herring
2015-01-12 16:26 ` Mark Brown
2015-01-12 18:06 ` Jason Gunthorpe
2015-01-13 16:21 ` One Thousand Gnomes
2015-01-15 21:52 ` Pavel Machek
2015-01-12 21:01 ` One Thousand Gnomes
2015-01-12 21:43 ` Jason Gunthorpe
2015-01-13 16:28 ` One Thousand Gnomes
2015-01-13 17:26 ` Pantelis Antoniou
2015-01-13 19:44 ` atull
2015-01-14 15:58 ` One Thousand Gnomes
2015-01-13 20:00 ` Jason Gunthorpe
2015-01-13 21:37 ` atull
2015-01-13 22:24 ` Jason Gunthorpe
2015-01-14 16:06 ` One Thousand Gnomes
2015-01-14 18:12 ` Jason Gunthorpe
2015-01-14 19:01 ` Pantelis Antoniou
2015-01-15 11:36 ` One Thousand Gnomes
2015-01-15 11:44 ` Mark Brown
2015-01-15 16:34 ` atull
2015-01-15 18:47 ` Jason Gunthorpe
2015-01-15 20:45 ` One Thousand Gnomes
2015-01-15 20:54 ` Pantelis Antoniou
2015-01-21 16:01 ` One Thousand Gnomes
[not found] ` <20150121160151.453ba403-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2015-01-21 16:33 ` Pantelis Antoniou
[not found] ` <D466D9FF-25DA-4765-9469-128733BEBC4D-OWPKS81ov/FWk0Htik3J/w@public.gmane.org>
2015-01-21 20:27 ` Jason Gunthorpe
2015-01-21 20:32 ` Pantelis Antoniou
2015-02-15 22:40 ` Pavel Machek
2015-02-17 17:07 ` Rob Landley
2015-02-17 19:17 ` Pavel Machek
2015-02-19 12:46 ` Michal Simek
2015-02-21 6:31 ` atull
2015-02-17 18:12 ` Jason Gunthorpe
2015-01-15 21:42 ` Jason Gunthorpe
2015-01-17 21:11 ` Pavel Machek
2015-01-06 20:13 ` [PATCH v8 3/4] staging: fpga manager: framework core atull
2015-01-06 20:13 ` [PATCH v8 4/4] staging: fpga manager: add driver for socfpga fpga manager atull
2015-01-10 18:11 ` [PATCH v8 0/4] FPGA Manager Framework Konrad Zapalowicz
2015-01-11 16:08 ` atull
2015-01-11 16:24 ` Konrad Zapalowicz
2015-01-11 19:52 ` Pavel Machek
2015-01-11 20:58 ` Konrad Zapalowicz
2015-01-11 21:31 ` Pavel Machek
2015-01-12 13:50 ` Michal Simek
2015-01-12 14:06 ` Dan Carpenter
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