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[46.132.51.189]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a116de019esm1424664e87.3.2026.03.02.02.38.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2026 02:38:38 -0800 (PST) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Kalle Niemi Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (1.0) Subject: Re: [PATCH v2 01/12] i2c: allow setting the parent device and OF node through the adapter struct Message-Id: Date: Mon, 2 Mar 2026 12:38:27 +0200 Cc: Bartosz Golaszewski , Mukesh Kumar Savaliya , Viken Dadhaniya , Andi Shyti , Florian Fainelli , Ray Jui , Branden Scott , bcm-kernel-feedback-list@broadcom.com, Vignesh R , Aaro Koskinen , Janusz Krzysztofik , Tony Lindgren , Andreas Kemnade , Kevin Hilman , Roger Quadros , Geert Uytterhoeven , Magnus Damm , Patrice Chotard , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Linus Walleij , Frank Li , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-omap@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-rpi-kernel@lists.infradead.org, Matti Vaittinen To: Bartosz Golaszewski , Wolfram Sang X-Mailer: iPhone Mail (23D127) =EF=BB=BFOn 3/2/26 10:55, Bartosz Golaszewski wrote: > On Mon, Mar 2, 2026 at 8:47=E2=80=AFAM Kalle Niemi w= rote: >> On 2/23/26 11:05, Bartosz Golaszewski wrote: >>> In order to stop i2c bus drivers from dereferencing the struct device >>> embedded in struct i2c_adapter, let's allow configuring the parent >>> device and OF-node of the adapter directly through dedicated fields. >>> Signed-off-by: Bartosz Golaszewski >>> --- >> Hello, >> Automated driver test system bisected this commit to be the first bad >> commit, linux-next next-20260227 was tested. Failed tests include driver >> tests for ROHM PMIC and accelerometers, which are connected to >> BeagleBone Black. >> The failed driver tests all fail to first i2cget and the tests stop >> there: "Could not open file '/dev/i2c-2' or 'dev/i2c/2': No such file or >> directory". > Wolfram: well, now it would actually be useful to know which commit > exactly is the culprit so maybe splitting the changes is not a bad > idea after all. > Kalle: which i2c bus driver fails here? Any errors in kernel log? > Bart Hello Bart, i2c-1 and i2c-2 are failing. I am not seeing any i2c errors in kernel log. I= got two failures without the dmesg available (this is bugged test sequence,= and not a kernel crash), but those got the same stdout message "Could not o= pen file ...." as all others. -Kalle