Re: [PATCH 1/2] serdev: ttyport: enforce tty-driver open() requirement

From: Rob Herring
Date: Fri Oct 20 2017 - 17:44:07 EST


On Fri, Oct 20, 2017 at 7:21 AM, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Tue, Oct 17, 2017 at 11:07:20AM -0500, Rob Herring wrote:
>> On Mon, Oct 16, 2017 at 8:06 AM, Johan Hovold <johan@xxxxxxxxxx> wrote:
>> > The tty-driver open routine is mandatory, but the serdev
>> > tty-port-controller implementation did not treat it as such and would
>> > instead fall back to calling tty_port_open() directly.
>>
>> The idea was to eventually get rid of the tty_struct dependency and
>> only depend on tty_port. That's very invasive though and needs various
>> pieces of tty_struct to move into tty_port.
>>
>> Of course, tty_port_open itself would have to change as well, so this
>> change doesn't really matter.
>
> So are you acking these patches?

Yeah, I guess. I was mainly trying to give some background on why it
was done the way it was.

For both:

Acked-by: Rob Herring <robh@xxxxxxxxxx>

Rob