Re: [PATCH v1] 8250: add support for DTR/DSR hardware flow control

[Alan Cox]

> About a RS485 ioctl: could you consider the attached files which are already
> in the Linux kernel (in include/asm-cris).
> They define a TIOCSERSETRS485 (ioctl.h), and the data structure (rs485.h)
> with allows to specify timings. Sounds just like what we want ?

That would make sense for hardware assisted RS485 but we still have to
sort out DTR/DSR as well
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