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?)
-hpa