linux-kernel - Re: [PATCH 3/5] hwmon: (nct6775) Split core and platform driver

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] [day] [month] [year] [list]

Message-ID: <YhyIlz5hW4u6qrDc@hatter.bewilderbeest.net>
Date:   Mon, 28 Feb 2022 00:32:23 -0800
From:   Zev Weiss <zev@...ilderbeest.net>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     linux-hwmon@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        Renze Nicolai <renze@...lus.nl>, openbmc@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] hwmon: (nct6775) Split core and platform driver

On Sun, Feb 27, 2022 at 07:44:47AM PST, Guenter Roeck wrote:
>On Sat, Feb 26, 2022 at 05:30:45AM -0800, Zev Weiss wrote:
>> This splits the nct6775 driver into an interface-independent core and
>> a separate platform driver that wraps inb/outb port I/O (or asuswmi
>> methods) around that core.
>>
>> Signed-off-by: Zev Weiss <zev@...ilderbeest.net>
>
>I think it would be much better to convert the entire driver to regmap
>and not just use regmap for i2c. This way all register read/write
>operations can be hidden behind regmap, and the read/write callbacks
>are unnecessary. The tmp401 driver gives an example how to do this -
>essentially implement reg_read and reg_write functions in struct
>regmap_config, then handle all register accesses through regmap.
>
>Couple of additional comments inline.
>

Alright, that sounds reasonable -- I'll work on an entirely regmap-based 
v2 (and address the other points as well).


Thanks,
Zev