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Wed, 24 Jun 2026 03:13:50 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 24 Jun 2026 15:43:44 +0530 Message-Id: Cc: , "David Lechner" , =?utf-8?q?Nuno_S=C3=A1?= , "Andy Shevchenko" , "Petr Mladek" , "Oleg Nesterov" , "Sebastian Andrzej Siewior" , "John Ogness" , Subject: Re: [PATCH v2 4/5] iio: adc: ti-adc161s626: log buffer setup failure in probe From: "Prashant Rahul" To: "Jonathan Cameron" , "Prashant Rahul" X-Mailer: aerc 0.21.0 References: <20260620174708.111470-1-prashantrahul23@gmail.com> <20260620174708.111470-5-prashantrahul23@gmail.com> <20260623203636.69a7429a@jic23-huawei> In-Reply-To: <20260623203636.69a7429a@jic23-huawei> On Wed Jun 24, 2026 at 1:06 AM IST, Jonathan Cameron wrote: > Why this particular one but not the devm_iio_device_register() below it? > Both pretty much only fail on driver bugs. Or out of memory for > which dev_err_probe() doesn't print anything anyway (on basis that > is normally pretty noisy). My apologies, I wasnt aware that dev_err_probe simply ignores `-ENOMEM`. Looking at drivers/base/core.c:5096, it is pretty evident that it does. My goal with the patch series was to change dev_err into dev_err_probe, as my understanding of dev_err_probe was that it's a specialization of dev_err for probe contexts.