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by gadiyar 217 days ago
TIer here. I used to work on OMAP USB back in the day, including on the OMAP3 and this particular board. Mainly Linux drivers, so not directly on the boot behavior which was done by ROM code. Fond memories and nice to see this pop up today. I’m generally curious if Doug ever asked about the behavior on the linux-usb mailing list or elsewhere and what the response was. There were a few of us from that time that might have been able to help.
1 comments

Very cool that you worked on the OMAP3 and BeagleBoard! I didn't ask anybody else about it. I just decided to tinker with my USB sniffer to try to get to the bottom of what was going on.

I'm still a little puzzled about why the 2 second retry doesn't work. It might be worth diving in deeper to figure out why the data received during the retry never makes its way back to libusb. It's a bit of an edge case, but it seems like it could potentially be a bug. I might consider bringing that up as a question on the linux-usb list.