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=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 C8875C43381 for ; Fri, 22 Feb 2019 09:48:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A09A32081B for ; Fri, 22 Feb 2019 09:48:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727325AbfBVJsC (ORCPT ); Fri, 22 Feb 2019 04:48:02 -0500 Received: from ozlabs.org ([203.11.71.1]:56199 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727263AbfBVJr6 (ORCPT ); Fri, 22 Feb 2019 04:47:58 -0500 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 Cc: iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Christian Zigotzky 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) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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