Greg, David --
Here is a USB gadget serial driver. It talks with Greg's generic USB serial driver on the host side, and it looks like a serial port on the gadget side.
Cool, I'm glad to see this! I'll take a look at it; though likely Greg will have more insights from the usb-serial side. I may be able to sanity test it on some other hardware too.
Question: why do you have your own versions of the wait_event() macros? (From <linux/sched.h> on 2.4, or <linux/wait.h> on 2.6 kernels.)
Hope you find this interesting. Is it something you would be interested in including with the USB gadget drivers?
Certainly! This is general purpose, and we know that developers sometimes need this particular functionality.
It could at least go into my 2.4 and 2.6 BK trees, even if you don't yet submit it for the main kernel trees. Although as you say, it needs work yet -- seems like it may not be ready yet.
Did you maybe look at the arch/arm/mach-*/usb-char.c driver? I don't know if any of that code would help much, now that you're well along with this "gadgetized" replacement; but maybe it'll have useful ideas.
- Dave
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