linux-kernel - Re: [PATCH 2/4] pinctrl: amd: Drop pull up select configuration

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Message-ID: <ZKM-U3aXGcXEgPLZ@surfacebook>
Date:   Tue, 4 Jul 2023 00:32:03 +0300
From:   andy.shevchenko@...il.com
To:     Mario Limonciello <mario.limonciello@....com>
Cc:     Basavaraj.Natikar@....com, Shyam-sundar.S-k@....com,
        linus.walleij@...aro.org, npliashechnikov@...il.com,
        nmschulte@...il.com, friedrich.vock@....de, dridri85@...il.com,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] pinctrl: amd: Drop pull up select configuration

Fri, Jun 30, 2023 at 02:47:14PM -0500, Mario Limonciello kirjoitti:
> pinctrl-amd currently tries to program bit 19 of all GPIOs to select
> either a 4kΩ or 8hΩ pull up, but this isn't what bit 19 does.  Bit
> 19 is marked as reserved, even in the latest platforms documentation.
> 
> Drop this programming functionality.

Can it be that documentation is not (yet) updated?

Where, btw, did the original code come from? Perhaps it may shed some light
on this.

-- 
With Best Regards,
Andy Shevchenko