Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755475Ab3JGO4q (ORCPT ); Mon, 7 Oct 2013 10:56:46 -0400 Received: from terminus.zytor.com ([198.137.202.10]:56520 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751436Ab3JGO4n (ORCPT ); Mon, 7 Oct 2013 10:56:43 -0400 User-Agent: K-9 Mail for Android In-Reply-To: <5252B2F4.7050600@monstr.eu> References: <524EC965.70701@monstr.eu> <20131004141646.GA9396@kroah.com> <524ED081.1040600@monstr.eu> <524EF0CE.4040002@zytor.com> <524EFE76.70200@monstr.eu> <524F04FD.5020804@zytor.com> <20131004233341.GA4028@kroah.com> <20131004234929.GB3652@obsidianresearch.com> <875b2a01-be5a-47d1-b89a-9385d54b9b64@email.android.com> <20131005051056.GA7698@obsidianresearch.com> <1c9db96e-7a36-4ec9-ab16-885780ce6de5@email.android.com> <524FB756.3040203@monstr.eu> <5252B2F4.7050600@monstr.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: Re: [RFC PATCH v2 0/1] FPGA subsystem core From: "H. Peter Anvin" Date: Mon, 07 Oct 2013 07:55:03 -0700 To: monstr@monstr.eu, Michal Simek CC: Jason Gunthorpe , Greg Kroah-Hartman , Pavel Machek , Michal Simek , linux-kernel@vger.kernel.org, Alan Tull , Dinh Nguyen , Philip Balister , Alessandro Rubini , Steffen Trumtrar , Jason Cooper , Yves Vandervennet , Kyle Teske , Josh Cartwright , Nicolas Pitre , Mark Langsdorf , Felipe Balbi , linux-doc@vger.kernel.org, Mauro Carvalho Chehab , David Brown , Rob Landley , "David S. Miller" , Joe Perches , Cesar Eduardo Barros , Samuel Ortiz , Andrew Morton Message-ID: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 838 Lines: 19 If I recall correctly we simply poked at the FPGA directly from userspace. Not ideal by any means and also meant we had to have a backup recovery mechanism as it meant that the FPGA had to be programmed already as the bus interface was in soft IP. Michal Simek wrote: >On 10/05/2013 08:56 AM, H. Peter Anvin wrote: >> I would, but in my case it was employer-owned and closed. > >ok. But I believe general concept for this can be shared. >If you used char device, sysfs, etc. > >Thanks, >Michal -- Sent from my mobile phone. Please pardon brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/