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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS 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 02B3CC43381 for ; Fri, 22 Feb 2019 10:22:56 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 AB25820823 for ; Fri, 22 Feb 2019 10:22:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AB25820823 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 445S8Y6z1nzDqFM for ; Fri, 22 Feb 2019 21:22:53 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 445RND2ptGzDq69 for ; Fri, 22 Feb 2019 20:47:56 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 445RND0KxYz9sNT; Fri, 22 Feb 2019 20:47:56 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 74ebe3e733b791f37415b3a1b917ee5035bc7364 X-Patchwork-Hint: ignore In-Reply-To: <20190213070133.11259-2-hch@lst.de> To: Christoph Hellwig , Benjamin Herrenschmidt , Paul Mackerras , Olof Johansson From: Michael Ellerman Subject: Re: [01/32] net: pasemi: set a 64-bit DMA mask on the DMA device Message-Id: <445RND0KxYz9sNT@ozlabs.org> Date: Fri, 22 Feb 2019 20:47:56 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Christian Zigotzky Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, 2019-02-13 at 07:01:02 UTC, Christoph Hellwig wrote: > The pasemi driver never set a DMA mask, and given that the powerpc > DMA mapping routines never check it this worked ok so far. But the > generic dma-direct code which I plan to switch on for powerpc checks > the DMA mask and fails unsupported mapping requests, so we need to > make sure the proper 64-bit mask is set. > > Reported-by: Christian Zigotzky > Signed-off-by: Christoph Hellwig > Tested-by: Christian Zigotzky Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/74ebe3e733b791f37415b3a1b917ee50 cheers