Re: [PATCH v1] pinctrl: intel: Actually disable Tx and Rx buffers on GPIO request

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Mon, Dec 7, 2020 at 8:02 PM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> Mistakenly the buffers (input and output) become together enabled for a little
> period of time during GPIO request. This is problematic, because instead of
> initial motive to disable them in the commit af7e3eeb84e2
> ("pinctrl: intel: Disable input and output buffer when switching to GPIO"),
> the driven value on the pin, which might be used as an IRQ line, brings
> firmware of some touch pads in an awkward state that needs a full power off
> to recover. Fix this by, as stated in a culprit commit, disabling the buffers.

Linus, since we are at rc7 I'm not going to send a PR for this single
fix (I truly do not expect anything to come). Please, proceed as usual
(either to v5.10 or to v5.11 cycle, there is not much difference b/c
culptin is sitting in v5.9).

-- 
With Best Regards,
Andy Shevchenko