Re: CDC-ACM driver: data duplication due to throttling
Oliver Neukum <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
Am Sonntag, 4. Februar 2007 22:45 schrieben Sie: > Hello Oliver, > > On Sun, Feb 04, 2007 at 09:59:00PM +0100, Oliver Neukum wrote: > > Did you test this with ehci? Unless we know for sure that even with > > the larger packet size the tty layer can cope, I want to be conservative. > > Good point. No I didn't, my device does not do high speed. > > The tty layer has a buffer between device and ldisc which grows > up to 64k. This buffer should normally be empty, since > tty_flip_buffer_push() shoves everything to the ldisc as fast as > possible. So there should be nearly 64k available when throttling starts. Still, this would be untested, while delaying the buffers for later processing is tested. Could you redo it that way? Regards & Thanks Oliver ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel