From: Mark Brown <broonie@kernel.org>
To: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Cc: Steffen Trumtrar <s.trumtrar@pengutronix.de>,
atull@opensource.altera.com, jgunthorpe@obsidianresearch.com,
hpa@zytor.com, Michal Simek <monstr@monstr.eu>,
michal.simek@xilinx.com, rdunlap@infradead.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
devicetree@vger.kernel.org, robh+dt@kernel.org,
Grant Likely <grant.likely@linaro.org>,
iws@ovro.caltech.edu, linux-doc@vger.kernel.org,
Pavel Machek <pavel@denx.de>,
philip@balister.org, rubini@gnudd.com, jason@lakedaemon.net,
kyle.teske@ni.com, nico@linaro.org, Felipe Balbi <balbi@ti.com>,
m.chehab@samsung.com, davidb@codeaurora.org,
Rob Landley <rob@landley.net>,
davem@davemloft.net, cesarb@cesarb.net, sameo@linux.intel.com,
akpm@linux-foundation.org,
Linus Walleij <linus.walleij@linaro.org>,
mgerlach@opensource.altera.com,
Alan Tull <delicious.quinoa@gmail.com>,
dinguyen@opensource.altera.com, yvanderv@opensource.altera.com
Subject: Re: [PATCH v2 2/3] ARM: dts: socfpga: fpga bridges bindings docs
Date: Mon, 27 Oct 2014 17:17:31 +0000 [thread overview]
Message-ID: <20141027171731.GY18557@sirena.org.uk> (raw)
In-Reply-To: <1C42AF5D-4776-4B09-BDF4-24F001439F46@konsulko.com>
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On Mon, Oct 27, 2014 at 05:45:03PM +0200, Pantelis Antoniou wrote:
Please fix your mail client to word wrap at less than 80 columns.
> Well, it’s not my speciality, but my understanding is that FPGAs take (considerable)
> time to be programmed. If someone has already configured the ‘bus’ it is considered
> a win to not reload the bitstream. I.e. if you boot with the bootloader having loaded
> the bitstream already, you don’t want to do it again.
That's not what your property is saying, though - if it were just about
handover between the bootloader and the kernel that'd be one thing but
it's also got this additional possibility to instruct the kernel that
the device must be either disabled or explicitly programmed. Having a
property that just says "this FPGA is programmed" covers the handover
case but this property does more than that.
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next prev parent reply other threads:[~2014-10-27 17:18 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-23 23:51 [PATCH v2 0/3] fpga bridge framework atull
2014-10-23 23:51 ` [PATCH v2 1/3] add sysfs document for fpga bridges atull
2014-10-24 10:54 ` Pavel Machek
2014-10-24 15:11 ` atull
2014-10-29 8:25 ` Pavel Machek
2014-10-23 23:51 ` [PATCH v2 2/3] ARM: dts: socfpga: fpga bridges bindings docs atull
2014-10-24 7:00 ` Steffen Trumtrar
2014-10-24 9:20 ` Pantelis Antoniou
2014-10-25 14:42 ` Steffen Trumtrar
2014-10-27 11:54 ` Pantelis Antoniou
2014-10-27 15:23 ` Steffen Trumtrar
2014-10-27 15:52 ` Pantelis Antoniou
2014-10-27 17:47 ` Steffen Trumtrar
2014-10-28 21:19 ` atull
2014-10-28 21:53 ` atull
2014-10-29 7:57 ` Steffen Trumtrar
2014-10-29 10:16 ` Mark Brown
2014-10-29 10:31 ` Steffen Trumtrar
2014-10-29 14:30 ` atull
2014-10-29 20:49 ` atull
2014-10-29 8:24 ` Pavel Machek
2014-10-29 20:39 ` atull
2014-10-24 10:57 ` Pavel Machek
2014-10-27 11:48 ` Pantelis Antoniou
2014-10-27 15:01 ` Mark Brown
2014-10-27 15:05 ` Pantelis Antoniou
2014-10-27 15:32 ` Steffen Trumtrar
2014-10-27 15:45 ` Pantelis Antoniou
2014-10-27 17:17 ` Mark Brown [this message]
2014-10-27 17:21 ` Pantelis Antoniou
2014-10-27 18:00 ` Steffen Trumtrar
2014-10-27 18:03 ` Pantelis Antoniou
2014-10-23 23:51 ` [PATCH v2 3/3] fpga bridge driver atull
2014-10-27 11:37 ` Pantelis Antoniou
2014-10-23 23:57 ` [PATCH v2 0/3] fpga bridge framework atull
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