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Fri, 06 Feb 2026 05:40:34 -0800 (PST) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-483207286bcsm50480925e9.12.2026.02.06.05.40.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Feb 2026 05:40:34 -0800 (PST) Date: Fri, 6 Feb 2026 16:40:31 +0300 From: Dan Carpenter To: Jorge Marques Cc: David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel Subject: [bug report] iio: adc: Add support for ad4062 Message-ID: Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: [ Smatch checking is paused while we raise funding. #SadFace https://lore.kernel.org/all/aTaiGSbWZ9DJaGo7@stanley.mountain/ -dan ] Hello Jorge Marques, Commit d5284402d28f ("iio: adc: Add support for ad4062") from Dec 17, 2025 (linux-next), leads to the following Smatch static checker warning: drivers/iio/adc/ad4062.c:1557 ad4062_probe() warn: passing positive error code 's32min-(-1),1-3' to 'dev_err_probe' drivers/iio/adc/ad4062.c 1547 pm_runtime_set_active(dev); 1548 ret = devm_pm_runtime_enable(dev); 1549 if (ret) 1550 return dev_err_probe(dev, ret, "Failed to enable pm_runtime\n"); 1551 1552 pm_runtime_set_autosuspend_delay(dev, 1000); 1553 pm_runtime_use_autosuspend(dev); 1554 1555 ret = ad4062_request_ibi(i3cdev); 1556 if (ret) --> 1557 return dev_err_probe(dev, ret, "Failed to request i3c ibi\n"); The comments for ad4062_request_ibi() say it returns negative error codes but the comments for i3c_master_enec_locked() say it returns "a positive I3C error code if the error is one of the official Mx error codes, and a negative error code otherwise." 1558 1559 ret = ad4062_gpio_init(st); 1560 if (ret) 1561 return ret; 1562 1563 ret = devm_work_autocancel(dev, &st->trig_conv, ad4062_trigger_work); 1564 if (ret) 1565 return ret; 1566 1567 return devm_iio_device_register(dev, indio_dev); 1568 } regards, dan carpenter