From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756307AbeDFOO6 (ORCPT ); Fri, 6 Apr 2018 10:14:58 -0400 Received: from verein.lst.de ([213.95.11.211]:55460 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756287AbeDFOOy (ORCPT ); Fri, 6 Apr 2018 10:14:54 -0400 Date: Fri, 6 Apr 2018 16:14:52 +0200 From: Christoph Hellwig To: Dominik Brodowski Cc: hch@lst.de, thomas.lendacky@amd.com, tglx@linutronix.de, dwmw2@infradead.org, joro@8bytes.org, jdmason@kudzu.us, konrad.wilk@oracle.com, torvalds@linux-foundation.org, mulix@mulix.org, peterz@infradead.org, iommu@lists.linux-foundation.org, mingo@kernel.org, linux-kernel@vger.kernel.org, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com Subject: Re: x86/dma conversion for v4.17-rc1 breaks sound / sst-acpi (commit 6e4bf5867783) Message-ID: <20180406141452.GA29724@lst.de> References: <20180405205657.GA1788@light.dominikbrodowski.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180405205657.GA1788@light.dominikbrodowski.net> 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 Hi Dominik, can you try current Linus' master with the following hack applied and see if that works? diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 47aeb04c1997..32aacd0d56a8 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -1087,6 +1087,6 @@ const struct dma_map_ops swiotlb_dma_ops = { .unmap_sg = swiotlb_unmap_sg_attrs, .map_page = swiotlb_map_page, .unmap_page = swiotlb_unmap_page, - .dma_supported = swiotlb_dma_supported, + .dma_supported = dma_direct_supported, }; #endif /* CONFIG_DMA_DIRECT_OPS */