Messages in this thread | | | Date | Fri, 17 Aug 2012 11:12:07 -0400 | From | Paul Gortmaker <> | Subject | Re: [v2.6.34-stable 137/165] USB: Fix Corruption issue in USB ftdi driver ftdi_sio.c |
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On 12-08-17 10:36 AM, Herton Ronaldo Krzesinski wrote: >> commit b1ffb4c851f185e9051ba837c16d9b84ef688d26 upstream. >> > >> > Fix for ftdi_set_termios() glitching output >> > >> > ftdi_set_termios() is constantly setting the baud rate, data bits and parity >> > unnecessarily on every call, . When called while characters are being >> > transmitted can cause the FTDI chip to corrupt the serial port bit stream >> > output by stalling the output half a bit during the output of a character. >> > Simple fix by skipping this setting if the baud rate/data bits/parity are >> > unchanged. >> > >> > Signed-off-by: Andrew Worsley <amworsley@gmail.com> > [...] > > commit 108e02b12921078a59dcacd048079ece48a4a983 ("USB: ftdi_sio: fix > initial baud rate") says it addresses a regression on this change, > something to consider for inclusion with this update.
Thanks Herton, I've queued this and pushed it to 34-longterm-queue.
Paul. --
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