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=-8.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 C2948C433E6 for ; Tue, 1 Sep 2020 13:57:08 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 48AA6206FA for ; Tue, 1 Sep 2020 13:57:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="MI9Hh/aJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 48AA6206FA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alpha.franken.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id AB68A17CC; Tue, 1 Sep 2020 15:56:16 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz AB68A17CC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1598968626; bh=6vt/tvXHL9e4OGGlPO7DZfjenEBAkUWoI0aCAI0JBhg=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=MI9Hh/aJE6DIERmCmob1uQ6Uh9Cbjx4R6wconFoaPAS+mbwY1YogrBLhaIHwDIkEd pBzIRc6aMSlP9Hha1U1Fb79c1xWSVBLd5Ezn1q1ykJdi6EwEw2GrD8HdW/x7YgoCRu GkSZTGOWucSiellzRpkjNb4JkTa3AUFZBmPYoV9E= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 655CAF8025F; Tue, 1 Sep 2020 15:55:24 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 7C234F8021D; Tue, 1 Sep 2020 15:55:19 +0200 (CEST) Received: from elvis.franken.de (elvis.franken.de [193.175.24.41]) by alsa1.perex.cz (Postfix) with ESMTP id EEB8FF801EB for ; Tue, 1 Sep 2020 15:55:12 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz EEB8FF801EB Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1kD6kf-0001nf-01; Tue, 01 Sep 2020 15:55:09 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id 422A1C0E4C; Tue, 1 Sep 2020 15:49:49 +0200 (CEST) Date: Tue, 1 Sep 2020 15:49:49 +0200 From: Thomas Bogendoerfer To: Christoph Hellwig Subject: Re: [PATCH 10/28] MIPS/jazzdma: decouple from dma-direct Message-ID: <20200901134949.GB11944@alpha.franken.de> References: <20200819065555.1802761-1-hch@lst.de> <20200819065555.1802761-11-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200819065555.1802761-11-hch@lst.de> User-Agent: Mutt/1.5.23 (2014-03-12) Cc: alsa-devel@alsa-project.org, linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, nouveau@lists.freedesktop.org, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, "James E.J. Bottomley" , linux-mm@kvack.org, Marek Szyprowski , linux-samsung-soc@vger.kernel.org, Joonyoung Shim , linux-scsi@vger.kernel.org, Kyungmin Park , Ben Skeggs , Matt Porter , linux-media@vger.kernel.org, Tom Lendacky , Pawel Osciak , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, netdev@vger.kernel.org, Seung-Woo Kim , linux-mips@vger.kernel.org, iommu@lists.linux-foundation.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Wed, Aug 19, 2020 at 08:55:37AM +0200, Christoph Hellwig wrote: > The jazzdma ops implement support for a very basic IOMMU. Thus we really > should not use the dma-direct code that takes physical address limits > into account. This survived through the great MIPS DMA ops cleanup mostly > because I was lazy, but now it is time to fully split the implementations. > > Signed-off-by: Christoph Hellwig > --- > arch/mips/jazz/jazzdma.c | 32 +++++++++++++++++++++----------- > 1 file changed, 21 insertions(+), 11 deletions(-) Acked-by: Thomas Bogendoerfer -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]