[PATCH v2 4/9] serial: core: sanitize RS485 delays read from device tree

Andy Shevchenko andy.shevchenko at gmail.com
Sun Jul 3 11:34:50 PDT 2022


On Sun, Jul 3, 2022 at 7:02 PM Lino Sanfilippo <LinoSanfilippo at gmx.de> wrote:
>
> From: Lino Sanfilippo <l.sanfilippo at kunbus.com>
>
> When setting the RS485 configuration from userspace via TIOCSRS485 the
> delays are clamped to 100ms. Make this consistent with the values passed
> in by means of device tree parameters.

I'm not sure I got it right. Is the values from DT now clampet as well
as user space does or other way around? In either way the commit
message misses the explanation why it's not a problem if user
previously passed bigger values either via user space or via DT,
because it's an ABI change, right?

-- 
With Best Regards,
Andy Shevchenko



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