On 08/13/2018 10:27 AM, Eugeniy Paltsev wrote: >> You didn't pay attention to my previous comment on this ! >> IOC port can be considered a micro-architecture optimization (an important one >> though). The main thing is hardware snooping DMA transactions which enabled IOC in >> first place. > Ok, I'll rewrite this commit message. No need since this is a cover letter and will get dropped anyways, but the reason I emphasize it is that it sets the wrong expectations for someone down the line googling for this stuff ! And that someone could be other or just us when we've long forgotten about this ;-) > >>> Some recent SoC with ARC HS (like HSDK) allow to select bus >>> port (IOC or non-IOC port) for connecting DMA devices in runtime. >> Again you mention the port but none of your 4 patches actually touch the port >> itself in programming it. > Ok. >
