linux-kernel - Re: [PATCH v1 1/1] gpio: exar: Allow IO port access

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CACRpkdbNkPG5KsB47jByseDh=nOt+J2eE_nh5EJqRLAPDp8v8A@mail.gmail.com>
Date:   Tue, 18 Oct 2022 10:29:13 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        William Gray <william.gray@...aro.org>
Cc:     Qingtao Cao <qingtao.cao.au@...il.com>, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, Bartosz Golaszewski <brgl@...ev.pl>
Subject: Re: [PATCH v1 1/1] gpio: exar: Allow IO port access

On Mon, Oct 17, 2022 at 7:05 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:

> It's possible that PCI device can provide an IO port resource for
> the device. regmap MMIO currently uses MMIO by default. With an
> additional flag we enable support for IO port accesses.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Looks clever to me!
Acked-by: Linus Walleij <linus.walleij@...aro.org>
I would let William have a look at it as well, as he's worked extensively
with port-mapped I/O.

Yours,
Linus Walleij