linux-kernel - Re: [RFC PATCH v2 0/1] FPGA subsystem core

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Message-ID: <524EC965.70701@monstr.eu>
Date:	Fri, 04 Oct 2013 15:57:57 +0200
From:	Michal Simek <monstr@...str.eu>
To:	Pavel Machek <pavel@...x.de>
CC:	"H. Peter Anvin" <hpa@...or.com>,
	Michal Simek <michal.simek@...inx.com>,
	linux-kernel@...r.kernel.org, Alan Tull <atull@...era.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Dinh Nguyen <dinguyen@...era.com>,
	Philip Balister <philip@...ister.org>,
	Alessandro Rubini <rubini@...dd.com>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Jason Cooper <jason@...edaemon.net>,
	Yves Vandervennet <rocket.yvanderv@...il.com>,
	Kyle Teske <kyle.teske@...com>,
	Josh Cartwright <joshc@....teric.us>,
	Nicolas Pitre <nico@...aro.org>,
	Mark Langsdorf <mark.langsdorf@...xeda.com>,
	Felipe Balbi <balbi@...com>, linux-doc@...r.kernel.org,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	David Brown <davidb@...eaurora.org>,
	Rob Landley <rob@...dley.net>,
	"David S. Miller" <davem@...emloft.net>,
	Joe Perches <joe@...ches.com>,
	Cesar Eduardo Barros <cesarb@...arb.net>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC PATCH v2 0/1] FPGA subsystem core

On 10/03/2013 08:49 AM, Pavel Machek wrote:
> On Wed 2013-10-02 12:00:52, H. Peter Anvin wrote:
>> On 10/02/2013 08:35 AM, Michal Simek wrote:
>>>
>>> Based on my discussion at ELC with Greg KH the new driver should
>>> support firmware interface for loading bitstream.
>>>
>>
>> As I have previously stated, I think this is a mistake simply because
>> the firmware interface is a bad mapping on requirements for an FPGA,
>> especially once you account for the vast number of ways an FPGA can
>> get loaded and you take partial reconfiguration into account.  I
>> happen to be at a face to face meeting with Greg today, so I'll pick
>> his brain a bit.
> 
> Umm. Could the discussion be kept on line?

I agree with you.
But anyway what was resolution from that meeting?

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform



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