linux-kernel - Re: [PATCH 0/4] add support for another simatic board

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: <20220729090708.43d2658a@md1za8fc.ad001.siemens.net>
Date:   Fri, 29 Jul 2022 09:07:08 +0200
From:   Henning Schild <henning.schild@...mens.com>
To:     <linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        "Bartosz Golaszewski" <brgl@...ev.pl>,
        Linus Walleij <linus.walleij@...aro.org>,
        Tasanakorn Phaipool <tasanakorn@...il.com>
Cc:     Sheng-Yuan Huang <syhuang3@...oton.com>,
        Pavel Machek <pavel@....cz>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH 0/4] add support for another simatic board

I wanted to send this series to a wider audience, somehow i messed that
up and might have to send again. Maybe the v5, and if there is no
changes i might send again as v4.

Henning

Am Thu, 28 Jul 2022 17:56:48 +0200
schrieb Henning Schild <henning.schild@...mens.com>:

> This series first enables a SuperIO GPIO driver to support a chip from
> the vendor Nuvoton, the driver is for Fintek devices but those just
> are very similar. And in watchdog and hwmon subsystems these SuperIO
> drivers also share code and are sometimes called a family.
> 
> In another step the individual banks receive a label to tell them
> apart, a step which potentially changes an interface to legacy users
> that might rely on all banks having the same label, or an exact
> label. But since a later patch wants to use GPIO_LOOKUP unique labels
> are needed and i decided to assign them for all supported chips.
> 
> In a following patch the Simatic GPIO LED driver is extended to
> provide LEDs in case that SuperIO GPIO driver can be loaded.
> 
> Last but not least the watchdog module of that same SuperIO gets
> loaded on a best effort basis.
> 
> Note similar patches have appreared before as
>   "[PATCH v3 0/1] add device driver for Nuvoton SIO gpio function"
> The main difference here is that i added chip support to an existing
> driver instead of creating a new one. And that i actually propose all
> patches and do not just have the LED patch for Simatic as an example.
> Also note that the patches are based on
>   "[PATCH v6 00/12] platform/x86: introduce p2sb_bar() helper"
> 
> Henning Schild (4):
>   gpio-f7188x: Add GPIO support for Nuvoton NCT6116
>   gpio-f7188x: use unique labels for banks/chips
>   leds: simatic-ipc-leds-gpio: add new model 227G
>   platform/x86: simatic-ipc: enable watchdog for 227G
> 
>  drivers/gpio/gpio-f7188x.c                    | 192
> +++++++++++------- drivers/leds/simple/simatic-ipc-leds-gpio.c   |
> 42 +++- drivers/platform/x86/simatic-ipc.c            |   7 +-
>  .../platform_data/x86/simatic-ipc-base.h      |   1 +
>  include/linux/platform_data/x86/simatic-ipc.h |   1 +
>  5 files changed, 158 insertions(+), 85 deletions(-)
>