Hi Doug, Thanks for your work. I will fix this mistake. 2016-02-18 0:12 GMT+08:00 Doug Anderson <dianders@xxxxxxxxxxxx>: > Hi, > > On Wed, Feb 17, 2016 at 2:42 AM, Jung Zhao <jung.zhao@xxxxxxxxxxxxxx> wrote: >> From: Tomasz Figa <tfiga@xxxxxxxxxxxx> >> >> DMA allocations might be subject to certain reqiurements specific to the >> hardware using the buffers, such as availability of kernel mapping (for >> contents fix-ups in the driver). The only entity that knows them is the >> driver, so it must share this knowledge with vb2-dc. >> >> This patch extends the alloc_ctx initialization interface to let the >> driver specify DMA attrs, which are then stored inside the allocation >> context and will be used for all allocations with that context. >> >> As a side effect, all dma_*_coherent() calls are turned into >> dma_*_attrs() calls, because the attributes need to be carried over >> through all DMA operations. >> >> Signed-off-by: Tomasz Figa <tfiga@xxxxxxxxxxxx> >> Signed-off-by: Jung Zhao <jung.zhao@xxxxxxxxxxxxxx> >> --- >> Changes in v2: None >> >> drivers/media/v4l2-core/videobuf2-dma-contig.c | 33 +++++++++++++++++--------- >> include/media/videobuf2-dma-contig.h | 11 ++++++++- >> 2 files changed, 32 insertions(+), 12 deletions(-) > > This patch is already present in linuxnext. I submitted it to Russell > King's Patch Tracking System a bit ago and got notice that it landed. > Checking linuxnext today I see: > > ccc66e738252 ARM: 8508/2: videobuf2-dc: Let drivers specify DMA attrs > > -Doug > > _______________________________________________ > Linux-rockchip mailing list > Linux-rockchip@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-rockchip -- Best Regards, Jung **************************************** 福州瑞芯微电子有限公司 (Rockchip) 赵俊 (Jung Zhao) 算法工程师 (Algorithm Engineer) +86-591-83991906-8944 **************************************** -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
