linux-kernel - Re: [PATCH v2 1/4] dt-bindings: input: touchscreen: Add Z2 controller

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: <CAMT+MTTRT+z2i6qrqVo-KVNuPF2o2OV5HpfhbXiAaWU0TBr-WA@mail.gmail.com>
Date: Fri, 29 Nov 2024 08:53:58 +0100
From: Sasha Finkelstein <fnkl.kernel@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>, 
	Alyssa Rosenzweig <alyssa@...enzweig.io>, Dmitry Torokhov <dmitry.torokhov@...il.com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Henrik Rydberg <rydberg@...math.org>, asahi@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-input@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] dt-bindings: input: touchscreen: Add Z2 controller

On Fri, 29 Nov 2024 at 08:16, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> > +    description:
> > +      Calibration blob supplied by the bootloader
>
> What is the expected size? Fixed size or maximum?

Unspecified, 1688 bytes on my machine, but the firmware
has a size field. Most likely less than 4k.

> Add it to the example.

That seems counterproductive - it is a ~1.5kb blob,
and it is supposed to be set by the bootloader, not
by person writing the dts.