Re: [PATCHv10 08/26] v4l: vb2-dma-contig: add support for scatterlist in userptr mode

2012-10-30 Thread Marek Szyprowski
Hello, On 10/26/2012 6:24 PM, Pawel Osciak wrote: Hi Tomasz, On Wed, Oct 10, 2012 at 7:46 AM, Tomasz Stanislawski t.stanisl...@samsung.com wrote: This patch introduces usage of dma_map_sg to map memory behind a userspace pointer to a device as dma-contiguous mapping. Perhaps I'm missing

Re: [PATCHv10 08/26] v4l: vb2-dma-contig: add support for scatterlist in userptr mode

2012-10-26 Thread Pawel Osciak
Hi Tomasz, On Wed, Oct 10, 2012 at 7:46 AM, Tomasz Stanislawski t.stanisl...@samsung.com wrote: This patch introduces usage of dma_map_sg to map memory behind a userspace pointer to a device as dma-contiguous mapping. Perhaps I'm missing something, but I don't understand the purpose of this

[PATCHv10 08/26] v4l: vb2-dma-contig: add support for scatterlist in userptr mode

2012-10-10 Thread Tomasz Stanislawski
This patch introduces usage of dma_map_sg to map memory behind a userspace pointer to a device as dma-contiguous mapping. This patch contains some of the code kindly provided by Marek Szyprowski m.szyprow...@samsung.com and Kamil Debski k.deb...@samsung.com and Andrzej Pietrasiewicz