I worked on the Linux Kernel team at Qualcomm for about five years, left in 2016. Our director was very much in favor of upstreaming but the product release sch

I worked on the Linux Kernel team at Qualcomm for about five years, left in 2016. Our director was very much in favor of upstreaming but the product release schedules were so aggressive everyone was scrambling just to hit customer deadlines. It was incredibly difficult to get upper management on board with spending an additional 20% time getting drivers upstreamed, despite our team making the case for it ad nauseam. Hopefully they recognize the value of "upstream first" more now. I think it is getting better...