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From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Moritz Fischer <moritz.fischer@ettus.com>
Cc: "Nadathur, Sundar" <sundar.nadathur@intel.com>,
	Alan Tull <delicious.quinoa@gmail.com>,
	Yves Vandervennet <yves.vandervennet@linux.intel.com>,
	"matthew.gerlach@linux.intel.com"
	<matthew.gerlach@linux.intel.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	"linux-fpga@vger.kernel.org" <linux-fpga@vger.kernel.org>,
	Marek Va??ut <marex@denx.de>
Subject: Re: [RFC 7/8] fpga-region: add sysfs interface
Date: Wed, 22 Feb 2017 09:44:00 -0700	[thread overview]
Message-ID: <20170222164400.GA18745@obsidianresearch.com> (raw)
In-Reply-To: <CAAtXAHf0+DM+3uL5_dLxFZ_VmruYZzOpi5p0yu0jQwKniHA86A@mail.gmail.com>

On Tue, Feb 21, 2017 at 10:05:42PM -0800, Moritz Fischer wrote:

> That being said older drivers / fpga-mgr  will not deal with newer features.
> TLV / KV or whatever doesn't change this fact, or am I missing something?

Often a scheme will have an OPTIONAL and REQUIRED flag for each
value. If a REQUIRED value is present but the parser does not
support it then the parse fails.

For instance, we could mark Encrypted as required, and a zynq driver
that does not support the Encrypted tag would not load the bitfile
rather than try to load it wrongly.

This can be forced into any of the approaches with various levels of
hackery.

Jason

  reply	other threads:[~2017-02-22 16:44 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-15 16:14 FPGA Region enhancements and fixes Alan Tull
2017-02-15 16:14 ` [RFC 1/8] fpga-mgr: add a single function for fpga loading methods Alan Tull
2017-02-16  0:36   ` matthew.gerlach
2017-02-15 16:14 ` [RFC 2/8] fpga-region: support more than one overlay per FPGA region Alan Tull
2017-02-16 16:50   ` matthew.gerlach
2017-02-16 17:35     ` Alan Tull
2017-02-15 16:14 ` [RFC 3/8] fpga-bridge: add non-dt support Alan Tull
2017-02-15 16:14 ` [RFC 4/8] doc: fpga-mgr: separate getting/locking FPGA manager Alan Tull
2017-02-17 17:14   ` Li, Yi
2017-02-17 21:55     ` Alan Tull
2017-02-17 17:52   ` Moritz Fischer
2017-02-17 22:02     ` Alan Tull
2017-02-15 16:14 ` [RFC 5/8] " Alan Tull
2017-02-15 16:14 ` [RFC 6/8] fpga-region: separate out common code to allow non-dt support Alan Tull
2017-02-15 16:14 ` [RFC 7/8] fpga-region: add sysfs interface Alan Tull
2017-02-15 17:21   ` Jason Gunthorpe
2017-02-15 17:46     ` Alan Tull
2017-02-15 17:55       ` Moritz Fischer
2017-02-15 18:06       ` Jason Gunthorpe
2017-02-15 18:23         ` Alan Tull
2017-02-15 18:31           ` Moritz Fischer
2017-02-15 19:49           ` Jason Gunthorpe
2017-02-15 22:49             ` Alan Tull
2017-02-15 23:07               ` Jason Gunthorpe
2017-02-15 20:07           ` matthew.gerlach
2017-02-15 20:37             ` Jason Gunthorpe
2017-02-15 20:54               ` Moritz Fischer
2017-02-15 21:15                 ` Jason Gunthorpe
2017-02-15 21:36                   ` Moritz Fischer
2017-02-15 22:42                     ` Alan Tull
2017-02-16  0:16                       ` Moritz Fischer
2017-02-16 17:47                         ` Alan Tull
2017-02-16 17:56                           ` Jason Gunthorpe
2017-02-16 18:11                             ` Moritz Fischer
2017-02-17 22:28                 ` Yves Vandervennet
2017-02-18  2:30                   ` Moritz Fischer
2017-02-18 12:45                     ` Nadathur, Sundar
2017-02-18 20:10                       ` Alan Tull
2017-02-18 20:45                         ` Moritz Fischer
2017-02-19 15:00                           ` Alan Tull
2017-02-19 23:16                             ` Alan Tull
2017-02-20 23:49                               ` Moritz Fischer
2017-02-21 18:33                                 ` Alan Tull
2017-02-22  3:13                                   ` Nadathur, Sundar
2017-02-22  3:49                                     ` Moritz Fischer
2017-02-22  5:12                                       ` Jason Gunthorpe
2017-02-22  5:38                                         ` Moritz Fischer
2017-02-22  5:46                                           ` Nadathur, Sundar
2017-02-22  6:05                                             ` Moritz Fischer
2017-02-22 16:44                                               ` Jason Gunthorpe [this message]
2017-02-22 17:50                                                 ` Moritz Fischer
2017-02-22 17:54                                                   ` Jason Gunthorpe
2017-02-22 17:57                                                     ` Moritz Fischer
2017-02-22 16:33                                           ` Alan Tull
2017-02-22 16:44                                             ` Moritz Fischer
2017-02-22 16:52                                               ` Alan Tull
2017-02-27 20:09                                   ` Alan Tull
2017-02-27 22:49                                     ` Moritz Fischer
2017-02-28  0:04                                       ` matthew.gerlach
2017-02-15 21:20         ` Anatolij Gustschin
2017-02-15 16:14 ` [RFC 8/8] doc: fpga: add sysfs document for fpga region Alan Tull
2017-02-28 17:35 ` FPGA Region enhancements and fixes Alan Tull
2017-02-28 22:03   ` Alan Tull

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