linux-kernel - Re: [PATCH v3 1/3] dt-bindings: max77705: add interrupt-controller node

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: <60d2cfed-5018-4afb-9db2-6bf423defc7d@oss.qualcomm.com>
Date: Thu, 25 Sep 2025 15:11:34 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Dzmitry Sankouski <dsankouski@...il.com>
Cc: Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>, Lee Jones <lee@...nel.org>,
        Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v3 1/3] dt-bindings: max77705: add interrupt-controller
 node

On 9/15/25 5:46 PM, Dzmitry Sankouski wrote:
> пн, 15 сент. 2025 г. в 10:49, Konrad Dybcio <konrad.dybcio@....qualcomm.com>:
>>
>>> +      The driver implements an interrupt controller for the sub devices.
>>> +      The interrupt number mapping is as follows
>>> +      0 - charger
>>> +      1 - topsys
>>> +      2 - fuelgauge
>>> +      3 - usb type-c management block.
>>
>> The MFD driver registers one more interrupt, and these don't seem
>> to be what you say here:
>>
>> static const struct regmap_irq max77705_topsys_irqs[] = {
>>         { .mask = MAX77705_SYSTEM_IRQ_BSTEN_INT, },
>>         { .mask = MAX77705_SYSTEM_IRQ_SYSUVLO_INT, },
>>         { .mask = MAX77705_SYSTEM_IRQ_SYSOVLO_INT, },
>>         { .mask = MAX77705_SYSTEM_IRQ_TSHDN_INT, },
>>         { .mask = MAX77705_SYSTEM_IRQ_TM_INT, },
>> };
> 
> MAX77705_SYSTEM_IRQ_TM_INT(and others you mentioned) is a part of 'topsys' irqs,
> which is kinda MFD own irqs. They are unused at the moment.
> 
> See also [max77705 rework interrupt patches](https://lkml.org/lkml/2025/8/31/27)

This would be useful to mention as a dependency..

Perhaps >this< patch should be part of that series you referenced, too
(or they could come together with this DT change even)

Konrad