Comment by mianos Comment by mianos 7 hours ago 2 replies Copy Link View on Hacker News I am confused by this, I worked on a Linux USB driver that used DMA in 2003.
Copy Link ComputerGuru 6 hours ago Collapse Comment - DMA from device to host directly rather than from host USB controller to host memory. Reply View | 1 reply Copy Link mianos 6 hours ago Parent Collapse Comment - When I worked on it, the USB controller was just a pci bus device that once set up, the incoming data, from a USB ADC, streamed the data in blocks directly to memory. Maybe they took all that back out. Reply View | 0 replies
Copy Link mianos 6 hours ago Parent Collapse Comment - When I worked on it, the USB controller was just a pci bus device that once set up, the incoming data, from a USB ADC, streamed the data in blocks directly to memory. Maybe they took all that back out. Reply View | 0 replies
DMA from device to host directly rather than from host USB controller to host memory.