From: Rob Clark <rob@xxxxxx> Re-sending first patch, with a wider audience. Apparently I didn't spam enough inboxes the first time. And, at Daniel Vetter's suggestion, adding some helper functions in dma-buf to get the most restrictive parameters of all the attached devices. Rob Clark (2): device: add dma_params->max_segment_count dma-buf: add helpers for attacher dma-parms drivers/base/dma-buf.c | 63 +++++++++++++++++++++++++++++++++++++++++++ include/linux/device.h | 1 + include/linux/dma-buf.h | 19 +++++++++++++ include/linux/dma-mapping.h | 16 +++++++++++ 4 files changed, 99 insertions(+) -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>