On Fri, 5 Oct 2018 13:00:05 -0700
"H. Peter Anvin" <hpa@xxxxxxxxx> wrote:
> On 10/5/18 6:34 AM, Johan Hovold wrote:
> >>
> >> Specifically, are there any platforms:
> >>
> >> 1. where simply stuffing values into c_ispeed or c_ospeed and setting BOTHER
> >> can be used to set the baud rate, even for the "standard" baud rates
> >> (obviously breaking if the kernel is too old -- how old is that?)
> >
> > This should work on all archs that define BOTHER and IBSHIFT (for input
> > rates), and also to set standard rates (c_cflag would get updated to a
> > Bfoo value).
> >
> > Alan added this (modulo some follow-up fixes) in edc6afc54968 ("[PATCH]
> > tty: switch to ktermios and new framework").
> >
>
> Would you happen to know if there are any architectures *other* than Alpha
> which didn't support this by Linux 3.2 (the current glibc cutoff?)
Alpha and Sparc were the only two oddities - because they used other
people's existing APIs.
Alan
