Messages in this thread | | | Subject | Re: [PATCH] Fix data loss in cdc-acm | From | Oliver Neukum <> | Date | Wed, 22 Jul 2015 10:40:28 +0200 |
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On Tue, 2015-07-21 at 12:45 -0400, Peter Hurley wrote: > Let me know if you need help instrumenting the tty buffers/throttling > to help figure out what the actual problem is. > > Regarding the patch itself, I have no opinion on the suitability of > simply not resubmitting urbs. However, that is exactly how the > throttle > mechanism works, and the tty buffer API is specifically designed to > allow drivers to manage flow via that interface as well (especially > for high-throughput drivers).
Could you please expand on how this is supposed to work? For once how does one learn that room is available again?
Regards Oliver
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