From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755200AbcBEPuq (ORCPT ); Fri, 5 Feb 2016 10:50:46 -0500 Received: from us01smtprelay-2.synopsys.com ([198.182.60.111]:52983 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753209AbcBEPuo (ORCPT ); Fri, 5 Feb 2016 10:50:44 -0500 Subject: Re: [PATCH v8 2/2] add new platform driver for PCI RC To: Arnd Bergmann , Joao Pinto , "Bjorn Helgaas" References: <4427983.0G6mVNKP5W@wuerfel> <56B4B6FB.1040500@synopsys.com> <3217683.43eupG8Vx4@wuerfel> CC: , , , , , , , , , , From: Joao Pinto Message-ID: <56B4C4CE.2020303@synopsys.com> Date: Fri, 5 Feb 2016 15:50:38 +0000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <3217683.43eupG8Vx4@wuerfel> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.13.184.19] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/5/2016 3:43 PM, Arnd Bergmann wrote: > On Friday 05 February 2016 14:51:39 Joao Pinto wrote: >> >> It is a driver that is useful for PCIe RC prototyping and to be a reference >> platform driver for DesignWare PCIe RC, I don't know if merging some of the >> driver's code into pcie-designware is really necessary depends on the usefulness >> of it. I would suggest that bigger step to be done in a 2nd stage since I will >> be around to maintain what's necessary. Agree? >> >> I made a patch that is applicable to Bjorn's host/pcie-synopsys that tries to >> match your suggestions and Bjorn's. Could you please comment check it? > > I think it would be useful to do this as generic as possible, and you seem > to be the right person to integrate it into the generic driver as you have > access to the hardware documents. Normally the folks writing the drivers > are just guessing based on what little information they get out of manuals > or vendor-provided drivers, but I'm sure that not all of that makes sense. Arnd, sure and I would love to be useful and improve the dw pci ecosystem, but maybe now we should submit the driver as suggested in "[PATCH] synopsys pcie rc generic platform driver update" and then make in a future intervention. Bjorn, could you please comment? Should we go now with this driver version and in the future we make the changes suggested by Arnd? > > Arnd > Joao