linux-kernel - Re: [PATCH v4 01/29] Revert "treewide: Fix probing of devices in DT overlays"

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: <1b9fa77b-d74a-4fa7-b2e7-8b389d59a5a0@gmail.com>
Date: Thu, 11 Dec 2025 15:52:28 +0200
From: Matti Vaittinen <mazziesaccount@...il.com>
To: Herve Codina <herve.codina@...tlin.com>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>,
 Kalle Niemi <kaleposti@...il.com>, Rob Herring <robh@...nel.org>,
 linux-arm-kernel@...ts.infradead.org, Andrew Lunn <andrew@...n.ch>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 "Rafael J. Wysocki" <rafael@...nel.org>, Danilo Krummrich <dakr@...nel.org>,
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
 Wolfram Sang <wsa+renesas@...g-engineering.com>,
 Peter Rosin <peda@...ntia.se>, Arnd Bergmann <arnd@...db.de>,
 Bjorn Helgaas <bhelgaas@...gle.com>,
 Charles Keepax <ckeepax@...nsource.cirrus.com>,
 Richard Fitzgerald <rf@...nsource.cirrus.com>,
 David Rhodes <david.rhodes@...rus.com>,
 Linus Walleij <linus.walleij@...aro.org>,
 Ulf Hansson <ulf.hansson@...aro.org>, Mark Brown <broonie@...nel.org>,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Daniel Scally <djrscally@...il.com>,
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
 Sakari Ailus <sakari.ailus@...ux.intel.com>, Len Brown <lenb@...nel.org>,
 Davidlohr Bueso <dave@...olabs.net>,
 Jonathan Cameron <jonathan.cameron@...wei.com>,
 Dave Jiang <dave.jiang@...el.com>,
 Alison Schofield <alison.schofield@...el.com>,
 Vishal Verma <vishal.l.verma@...el.com>, Ira Weiny <ira.weiny@...el.com>,
 Dan Williams <dan.j.williams@...el.com>, Wolfram Sang <wsa@...nel.org>,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 imx@...ts.linux.dev, linux-clk@...r.kernel.org, linux-i2c@...r.kernel.org,
 linux-pci@...r.kernel.org, linux-sound@...r.kernel.org,
 patches@...nsource.cirrus.com, linux-gpio@...r.kernel.org,
 linux-pm@...r.kernel.org, linux-spi@...r.kernel.org,
 linux-acpi@...r.kernel.org, linux-cxl@...r.kernel.org,
 Allan Nielsen <allan.nielsen@...rochip.com>,
 Horatiu Vultur <horatiu.vultur@...rochip.com>,
 Steen Hegelund <steen.hegelund@...rochip.com>,
 Luca Ceresoli <luca.ceresoli@...tlin.com>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v4 01/29] Revert "treewide: Fix probing of devices in DT
 overlays"

On 11/12/2025 14:20, Herve Codina wrote:
> Hi Matti,
> 
> On Thu, 11 Dec 2025 10:34:46 +0200
> Matti Vaittinen <mazziesaccount@...il.com> wrote:
> 
/snip

> 
> Do you see the same trace with:
> - "pinctrl-0 = <&i2c1_pins>;" in your overlay
> - fragment0 removed from the overlay (i2c1_pins definition removed from
>    the overlay.
> - i2c1_pins node defined in your base DT.

Just tested. The i2c1 appears and the test-overlay probe gets called, 
when the i2c1_pins is in the base-dt and not in the overlay.

> In other word, is the issues related to adding a pinctrl sub-node (pinctrl
> pins definition) in the overlay or is it something else?

Seems to be related to the pinctrl.

Yours,
	-- Matti

---
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

~~ When things go utterly wrong vim users can always type :help! ~~