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SubjectRe: [PATCH] tty: serial: msm_serial: Fix XON/XOFF
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Quoting Jorge Ramirez (2019-05-20 07:58:54)
> On 5/20/19 16:56, Jorge Ramirez wrote:
> >
> > yeah, semantically confusing msm_reset_dm_count is what really matters:
> > it tells the hardware to only take n bytes (in this case only one) so
> > the others will be ignored
>
> um after I said this, maybe iowrite32_rep should only be applied to
> uartdm ... what do you think?
>

Probably. The uartdm hardware typically required words everywhere while
the pre-dm hardware didn't. It's an if condition so it should be OK.

It may be time to remove non-uartdm support from this driver
all-together. From what I recall the only devices that are upstream are
the uartdm ones, so it may be easier to just remove the legacy stuff
that nobody has tested in many years.

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