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=-8.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 85FE7C2D0E2 for ; Tue, 22 Sep 2020 11:49:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4EECA2395C for ; Tue, 22 Sep 2020 11:49:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727005AbgIVLtl (ORCPT ); Tue, 22 Sep 2020 07:49:41 -0400 Received: from elvis.franken.de ([193.175.24.41]:51262 "EHLO elvis.franken.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726981AbgIVLtc (ORCPT ); Tue, 22 Sep 2020 07:49:32 -0400 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1kKfxr-000822-02; Tue, 22 Sep 2020 12:56:03 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id A8294C0FFF; Tue, 22 Sep 2020 10:49:57 +0200 (CEST) Date: Tue, 22 Sep 2020 10:49:57 +0200 From: Thomas Bogendoerfer To: Christoph Hellwig Cc: Mauro Carvalho Chehab , "James E.J. Bottomley" , Joonyoung Shim , Seung-Woo Kim , Ben Skeggs , Marek Szyprowski , Tomasz Figa , Matt Porter , iommu@lists.linux-foundation.org, Stefan Richter , linux1394-devel@lists.sourceforge.net, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, netdev@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mm@kvack.org, alsa-devel@alsa-project.org Subject: Re: [PATCH 09/18] sgiwd93: convert to dma_alloc_noncoherent Message-ID: <20200922084957.GC8477@alpha.franken.de> References: <20200915155122.1768241-1-hch@lst.de> <20200915155122.1768241-10-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200915155122.1768241-10-hch@lst.de> User-Agent: Mutt/1.5.23 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Sep 15, 2020 at 05:51:13PM +0200, Christoph Hellwig wrote: > Use the new non-coherent DMA API including proper ownership transfers. > This also means we can allocate the memory as DMA_TO_DEVICE instead > of bidirectional. > > Signed-off-by: Christoph Hellwig > --- > drivers/scsi/sgiwd93.c | 14 +++++++------- > 1 file changed, 7 insertions(+), 7 deletions(-) Tested-by: Thomas Bogendoerfer -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]