On Tue, Jan 14, 2014 at 12:01:30AM +0100, Karsten Malcher wrote: > Hello together, > > i will close this bug at Debian now. > > After the last update this error seems to disappear in Debian stable. > http://ftp.debian.org/debian/dists/wheezy/ChangeLog > USB: pl2303: fix device initialisation at open That's good to hear. > The source for this patch can be found here: > http://www.spinics.net/lists/stable/msg30311.html This is not directly related to commit you refer to above (it fixes a different problem). > It's possible that this will not fix the bug under all circumstances > depending on the application. > > Summary: ====== > > I did need some time to realize that this bug will occur only with > PL2303HX chips that are China clones. In fact this type of chips run > out of production at Profilic. > http://www.prolific.com.tw/US/ShowProduct.aspx?pcid=41&showlevel=0017-0037-0041 > Only the PL2303HXD can be buyed as original, so any new PL2303HX is a > China clone. > > I have been contacted by Frank Schäfer and so we tested some of his > driver improvements in combination with newer kernels. Up to now this > could not be backported to kernel 3.2.x, but i could test a kernel > 3.12.6 on Debian wheezy and the PL2303HX is running fine. > > There are really much products with this clone chips out there, so > some further improvements of the driver would be really helpful. I > will make further tests together with Frank and hope that this > improvements will find a place into the next kernel versions starting > with Debian jessie and 3.12.6 The pl2303 has been cleaned up quite a bit lately (will show up in v3.14), so it should be even easier to add support for further device types with all their quirks. Patches are most welcome. Thanks, Johan -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
