From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935483AbeBMOvX (ORCPT ); Tue, 13 Feb 2018 09:51:23 -0500 Received: from verein.lst.de ([213.95.11.211]:45400 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935258AbeBMOvW (ORCPT ); Tue, 13 Feb 2018 09:51:22 -0500 Date: Tue, 13 Feb 2018 15:51:20 +0100 From: Christoph Hellwig To: Meelis Roos Cc: Christoph Hellwig , linuxppc-dev@lists.ozlabs.org, iommu@lists.linux-foundation.org, Linux Kernel list Subject: Re: pata-macio WARNING at dmam_alloc_coherent+0xec/0x110 Message-ID: <20180213145120.GA14657@lst.de> References: 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Does this fix your warning? diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index 62f541f968f6..07074820a167 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -375,6 +375,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip, dev->ofdev.dev.of_node = np; dev->ofdev.archdata.dma_mask = 0xffffffffUL; dev->ofdev.dev.dma_mask = &dev->ofdev.archdata.dma_mask; + dev->ofdev.dev.coherent_dma_mask = dev->ofdev.archdata.dma_mask; dev->ofdev.dev.parent = parent; dev->ofdev.dev.bus = &macio_bus_type; dev->ofdev.dev.release = macio_release_dev;