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From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Dominik Brodowski
	<linux-X3ehHDuj6sIIGcDfoQAp7OTW4wlIGRCZ@public.gmane.org>
Cc: mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	thomas.lendacky-5C7GfCeVMHo@public.gmane.org,
	lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org,
	peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
	torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
	tiwai-IBi9RG/b67k@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	mulix-BzGcCpaT2IbYtjvyW6yDsg@public.gmane.org,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
	perex-/Fr2/VpizcU@public.gmane.org,
	dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
	hch-jcswGhMUV9g@public.gmane.org
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-SGhQLRGLuNwb6pqDj42GsMgv3T4z79SOrE5yTffgRl4@public.gmane.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 */

  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
     [not found] ` <20180405205657.GA1788-SGhQLRGLuNwb6pqDj42GsMgv3T4z79SOrE5yTffgRl4@public.gmane.org>
2018-04-06  1:14   ` Mark Brown
     [not found]     ` <20180406011418.GE12349-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2018-04-06  4:35       ` Dominik Brodowski
2018-04-06 14:02     ` Pierre-Louis Bossart
2018-04-06 14:14   ` Christoph Hellwig [this message]
     [not found]     ` <20180406141452.GA29724-jcswGhMUV9g@public.gmane.org>
2018-04-06 14:52       ` Dominik Brodowski

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