fix a layering violation in videobuf2 and improve dma_map_resource · Christoph Hellwig <hch@lst.de> · 2019-01-11
[PATCH 1/3] dma-mapping: remove the default map_resource implementation · Christoph Hellwig <hch@lst.de> · 2019-01-11
Re: [PATCH 1/3] dma-mapping: remove the default map_resource implementation · Robin Murphy <robin.murphy@arm.com> · 2019-01-14
Re: [PATCH 1/3] dma-mapping: remove the default map_resource implementation · Christoph Hellwig <hch@lst.de> · 2019-01-14
[PATCH 2/3] dma-mapping: don't BUG when calling dma_map_resource on RAM · Christoph Hellwig <hch@lst.de> · 2019-01-11
Re: [PATCH 2/3] dma-mapping: don't BUG when calling dma_map_resource on RAM · Robin Murphy <robin.murphy@arm.com> · 2019-01-14
[PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Christoph Hellwig <hch@lst.de> · 2019-01-11
Re: [PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Mauro Carvalho Chehab <mchehab+samsung@kernel.org> · 2019-01-11
Re: [PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Christoph Hellwig <hch@lst.de> · 2019-01-14
Re: [PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Mauro Carvalho Chehab <mchehab+samsung@kernel.org> · 2019-01-14
Re: [PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Christoph Hellwig <hch@lst.de> · 2019-01-14
Re: [PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Marek Szyprowski <m.szyprowski@samsung.com> · 2019-01-14
Re: [PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Christoph Hellwig <hch@lst.de> · 2019-01-17
Re: [PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Marek Szyprowski <m.szyprowski@samsung.com> · 2019-01-18
Re: [PATCH 3/3] videobuf2: replace a layering violation with dma_map_resource · Christoph Hellwig <hch@lst.de> · 2019-01-31
Re: fix a layering violation in videobuf2 and improve dma_map_resource · Marek Szyprowski <m.szyprowski@samsung.com> · 2019-01-14

fix a layering violation in videobuf2 and improve dma_map_resource

From: Christoph Hellwig <hch@lst.de>
Date: 2019-01-11 18:18:06
Also in: linux-arm-kernel, linux-iommu, linux-media, lkml

Hi all,

this series fixes a rather gross layering violation in videobuf2, which
pokes into arm DMA mapping internals to get a DMA address for memory that
does not have a page structure, and to do so fixes up the dma_map_resource
implementation to be practically useful.

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