From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD30AC04E53 for ; Wed, 15 May 2019 12:43:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A74AC2084E for ; Wed, 15 May 2019 12:43:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726726AbfEOMnM (ORCPT ); Wed, 15 May 2019 08:43:12 -0400 Received: from verein.lst.de ([213.95.11.211]:52449 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726677AbfEOMnL (ORCPT ); Wed, 15 May 2019 08:43:11 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id 5D86867358; Wed, 15 May 2019 14:42:50 +0200 (CEST) Date: Wed, 15 May 2019 14:42:50 +0200 From: Christoph Hellwig To: Laurentiu Tudor Cc: Christoph Hellwig , "stern@rowland.harvard.edu" , "gregkh@linuxfoundation.org" , "linux-usb@vger.kernel.org" , "marex@denx.de" , Leo Li , "linux-kernel@vger.kernel.org" , "robin.murphy@arm.com" Subject: Re: [RFC PATCH v2 1/3] USB: use genalloc for USB HCs with local memory Message-ID: <20190515124250.GA13754@lst.de> References: <20190514143807.7745-1-laurentiu.tudor@nxp.com> <20190514143807.7745-2-laurentiu.tudor@nxp.com> <20190514144210.GA14625@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Wed, May 15, 2019 at 09:57:12AM +0000, Laurentiu Tudor wrote: > Glad I could help. On the remoteproc_virtio.c case, I had a cursory look > and found out that the dma_declare_coherent_memory() usage was > introduced quite recently, by this patch: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086d08725d34c6b3333db710344ae9c4fdafb2d5 Yes. I took a look at it to, and while it isn't exactly a clean usage of the API it at least declares system memory and not a resource. So it doesn't really affect our plan.