Messages in this thread | | | Date | Tue, 17 Jun 2008 09:58:27 +0100 | From | Alan Cox <> | Subject | Re: 2.6.25.3: serial problem (minicom) |
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On Mon, 16 Jun 2008 23:22:54 -0500 (CDT) "R.L. Horn" <lists@eastcheap.org> wrote:
> On Mon, 16 Jun 2008, Alan Cox wrote: > > > Whatever it implies the behaviour should not have changed between 2.6.24 > > and 2.6.25. Nobody AFAIK sat down and decided to change it. > > And, besides, I've gotten reports that the usb-serial drivers still behave > the same as with 2.6.24. > > It looks like the call to tty_termios_encode_baud_rate() in > drivers/serial/8250.c is the culprit. If I comment it out, everything > appears to go back to normal (seemingly with no undesired side effects). > > Why the call is there (it didn't replace anything else in the 2.6.24.7 > version of 8250.c, though it did in serial_core.c) remains a mystery to > me.
Ah ok I know what the bug is - it was fixed in 2.6.26-rc as follows
+ /* Don't rewrite B0 */ + if (tty_termios_baud_rate(termios)) + tty_termios_encode_baud_rate(termios, baud, baud); }
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