linux-kernel - Re: [PATCH] configfs: Implement binary attributes (v3)

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Message-ID: <20141029025418.GA7842@kroah.com>
Date:	Wed, 29 Oct 2014 10:54:18 +0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Pantelis Antoniou <pantelis.antoniou@...sulko.com>
Cc:	Joel Becker <jlbec@...lplan.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <robherring2@...il.com>,
	Matt Porter <matt.porter@...aro.org>,
	Koen Kooi <koen@...inion.thruhere.net>,
	Alison Chaiken <Alison_Chaiken@...tor.com>,
	Dinh Nguyen <dinh.linux@...il.com>,
	Jan Lubbe <jluebbe@...net.de>,
	Alexander Sverdlin <alexander.sverdlin@....com>,
	Michael Stickel <ms@...able.de>,
	Guenter Roeck <linux@...ck-us.net>,
	Dirk Behme <dirk.behme@...il.com>,
	Alan Tull <delicious.quinoa@...il.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Michael Bohan <mbohan@...eaurora.org>,
	Ionut Nicu <ioan.nicu.ext@....com>,
	Michal Simek <monstr@...str.eu>,
	Matt Ranostay <mranostay@...il.com>,
	linux-kernel@...r.kernel.org, Pete Popov <pete.popov@...sulko.com>,
	Dan Malek <dan.malek@...sulko.com>,
	Georgi Vlaev <georgi.vlaev@...sulko.com>,
	Pantelis Antoniou <panto@...oniou-consulting.com>
Subject: Re: [PATCH] configfs: Implement binary attributes (v3)

On Tue, Oct 28, 2014 at 10:30:32PM +0200, Pantelis Antoniou wrote:
> ConfigFS lacked binary attributes up until now. This patch
> introduces support for binary attributes in a somewhat similar
> manner of sysfs binary attributes albeit with changes that
> fit the configfs usage model.
> 
> Problems that configfs binary attributes fix are everything that
> requires a binary blob as part of the configuration of a resource,
> such as bitstream loading for FPGAs, DTBs for dynamically created
> devices etc.

What's wrong with using the firmware interface for this instead?

What driver/subsystem wants to use configfs binary files?  Having a user
for this api is essential if you want it to be merged.

thanks,

greg k-h
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