linux-kernel - Re: [PATCH v3 1/8] thermal: core: Add mechanism for connecting trips with driver data

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: <5c93d78d-835e-c740-280b-9d76456aaeda@linaro.org>
Date:   Thu, 3 Aug 2023 15:06:13 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Michal Wilczynski <michal.wilczynski@...el.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: Re: [PATCH v3 1/8] thermal: core: Add mechanism for connecting trips
 with driver data

On 02/08/2023 18:48, Rafael J. Wysocki wrote:

[ ... ]

>> Let me check if I can do something on top of your series to move it in
>> the ACPI driver.
> 
> It doesn't need to be on top of my series, so if you have an idea,
> please just let me know what it is.
> 
> It can't be entirely in the ACPI driver AFAICS, though, because
> trips[i] need to be modified on updates and they belong to the core.
> Hence, the driver needs some help from the core to get to them.  It
> can be something like "this is my trip tag and please give me the
> address of the trip matching it" or similar, but it is needed, because
> the driver has to assume that the trip indices used by it initially
> may change.

May be I'm missing something but driver_ref does not seems to be used 
except when assigning it, no?

-- 
<http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog