linux-kernel - Re: [PATCH v9 0/7] FPGA Manager Framework and Simple FPGA Bus

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Message-ID: <20150722211131.GA23683@obsidianresearch.com>
Date:	Wed, 22 Jul 2015 15:11:31 -0600
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	atull <atull@...nsource.altera.com>
Cc:	gregkh@...uxfoundation.org, hpa@...or.com, monstr@...str.eu,
	michal.simek@...inx.com, rdunlap@...radead.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	pantelis.antoniou@...sulko.com, robh+dt@...nel.org,
	grant.likely@...aro.org, iws@...o.caltech.edu,
	linux-doc@...r.kernel.org, pavel@...x.de, broonie@...nel.org,
	philip@...ister.org, rubini@...dd.com, s.trumtrar@...gutronix.de,
	jason@...edaemon.net, kyle.teske@...com, nico@...aro.org,
	balbi@...com, m.chehab@...sung.com, davidb@...eaurora.org,
	rob@...dley.net, davem@...emloft.net, cesarb@...arb.net,
	sameo@...ux.intel.com, akpm@...ux-foundation.org,
	linus.walleij@...aro.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devel@...verdev.osuosl.org, Petr Cvek <petr.cvek@....cz>,
	delicious.quinoa@...il.com, dinguyen@...nsource.altera.com
Subject: Re: [PATCH v9 0/7] FPGA Manager Framework and Simple FPGA Bus

On Wed, Jul 22, 2015 at 03:32:32PM -0500, atull wrote:

> I looked some more; I don't see a simple way of deferring probing until 
> after the filesystem is loaded (so that the image file would be 
> available), late_initcall is still not late enough.

That seems weird, are you saying you can't use request firmware at all
from a compiled in driver? I don't know much about that flow, sorry.

Having that work would mean the system can have a reasonable in-tree
use case without requiring the out of tree dt overlay stuff.

Jason
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