linux-kernel - Re: [PATCH v10 05/11] regmap: irq: Add support for chips without separate IRQ status

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: <DACQOEWJPTU2.34E6UEWBOQ2X8@bootlin.com>
Date: Tue, 03 Jun 2025 10:01:55 +0200
From: "Mathieu Dubois-Briand" <mathieu.dubois-briand@...tlin.com>
To: "Mark Brown" <broonie@...nel.org>
Cc: "Lee Jones" <lee@...nel.org>, "Rob Herring" <robh@...nel.org>,
 "Krzysztof Kozlowski" <krzk+dt@...nel.org>, "Conor Dooley"
 <conor+dt@...nel.org>, "Kamel Bouhara" <kamel.bouhara@...tlin.com>, "Linus
 Walleij" <linus.walleij@...aro.org>, "Bartosz Golaszewski" <brgl@...ev.pl>,
 "Dmitry Torokhov" <dmitry.torokhov@...il.com>,
 Uwe Kleine-König <ukleinek@...nel.org>, "Michael Walle"
 <mwalle@...nel.org>, "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
 "Rafael J. Wysocki" <rafael@...nel.org>, "Danilo Krummrich"
 <dakr@...nel.org>, <devicetree@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
 <linux-input@...r.kernel.org>, <linux-pwm@...r.kernel.org>,
 <andriy.shevchenko@...el.com>, Grégory Clement
 <gregory.clement@...tlin.com>, "Thomas Petazzoni"
 <thomas.petazzoni@...tlin.com>, "Andy Shevchenko"
 <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v10 05/11] regmap: irq: Add support for chips without
 separate IRQ status

On Fri May 30, 2025 at 12:37 PM CEST, Mark Brown wrote:
> On Fri, May 30, 2025 at 12:00:13PM +0200, Mathieu Dubois-Briand wrote:
>> Some GPIO chips allow to rise an IRQ on GPIO level changes but do not
>> provide an IRQ status for each separate line: only the current gpio
>> level can be retrieved.
>> 
>> Add support for these chips, emulating IRQ status by comparing GPIO
>> levels with the levels during the previous interrupt.
>
> Please do not submit new versions of already applied patches, please
> submit incremental updates to the existing code.  Modifying existing
> commits creates problems for other users building on top of those
> commits so it's best practice to only change pubished git commits if
> absolutely essential.

Sorry, the patch is still present in the series as I only rebased on
6.15, but it is unchanged from the previous series.

So my understanding is I should have rebased on linux-next master branch
instead, right?

-- 
Mathieu Dubois-Briand, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com