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From: Christoph Hellwig <hch@lst.de>
To: Dominik Brodowski <linux@dominikbrodowski.net>
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)
Date: Fri, 6 Apr 2018 16:14:52 +0200	[thread overview]
Message-ID: <20180406141452.GA29724@lst.de> (raw)
In-Reply-To: <20180405205657.GA1788@light.dominikbrodowski.net>

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 */

  parent reply	other threads:[~2018-04-06 14:14 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-05 20:56 x86/dma conversion for v4.17-rc1 breaks sound / sst-acpi (commit 6e4bf5867783) Dominik Brodowski
2018-04-05 21:14 ` Christoph Hellwig
2018-04-06  1:14 ` Mark Brown
2018-04-06  4:35   ` Dominik Brodowski
2018-04-06 14:02   ` Pierre-Louis Bossart
2018-04-06 14:14 ` Christoph Hellwig [this message]
2018-04-06 14:52   ` Dominik Brodowski

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