From nobody Thu Apr 9 23:25:01 2026 Received: from imap5.colo.codethink.co.uk (imap5.colo.codethink.co.uk [78.40.148.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 60A3B21CFE0 for ; Thu, 5 Mar 2026 19:15:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=78.40.148.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772738131; cv=none; b=DUuQ32fYVrhYg4B4ukfO0YDIvIeTVG0pS2gfdSBkc3eE9IAyGmcB6CvoPYpeS/9bpRgR2RHR605KB6zcWXMJc3PpX1+cpg8rJav8ozEVdriiJbLudaQPT03rjoxjAMLoG7xJgvSToIACrlyxVsg5htPDePVrSpAJ2EatPBBe0MM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772738131; c=relaxed/simple; bh=BvAolbTAOeeCHBi8DJFVw81rI59azfr8TqaBD2qV4vQ=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=qvXGeaOaz92STNJi2ARMQYb0/1Oi63XQW+xY+Y5yDciHfAUcn5m1qXnNjrV0SQopvilOWqhlIpi2jZZHzAgF5hD1aqa5JP9MGocBVdaTvhP7iBPZAGzdQptIl75E9bjiF95mI7/bb14a20ijn3wLmK6I6enf9p7aXzx5lx6EnX0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=codethink.co.uk; spf=pass smtp.mailfrom=codethink.com; dkim=pass (2048-bit key) header.d=codethink.co.uk header.i=@codethink.co.uk header.b=Ve2KMQzL; arc=none smtp.client-ip=78.40.148.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=codethink.co.uk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=codethink.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=codethink.co.uk header.i=@codethink.co.uk header.b="Ve2KMQzL" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codethink.co.uk; s=imap5-20230908; h=Sender:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:In-Reply-To: References; bh=kgNmsKBmhUkX1t3WvtaENtNK/Lx0t9YyuiRYKr/Ea9Q=; b=Ve2KMQzLf0uHc8 KkpzjWyJ3Ryj+4AzNfYN2CI8OeVz7YfYxJMdx1pb1m83dffyZBfYuymD0pIt/RMVF8WQApk3k+1ks G3kwKDNGFOzpoYoqm3hzxCheH0f4tfZd97+7uFrNBct2WiIVkG108sU8PvlIj/o7e2YMIUE3MltBy buBchP6pt7jVNzmh2tGBtYLtc2SMrYcp3sp+kRR8R4uUYm4y22/eXSGld+cnElIsuHiCJtQ9dCxTL Vd8Wm5O2Ktt0OtGj3sLBBipe97xaJ+5MXyv2YmZoFkftZs++ls/6FUDpFk+g541hnvuGb4aRr8KGd 0ZZOnmjjKJNnvtZJc+2Q==; Received: from [167.98.27.226] (helo=rainbowdash) by imap5.colo.codethink.co.uk with esmtpsa (Exim 4.94.2 #2 (Debian)) id 1vyDiO-002Z6U-PJ; Thu, 05 Mar 2026 18:46:28 +0000 Received: from ben by rainbowdash with local (Exim 4.99.1) (envelope-from ) id 1vyDiO-0000000AvER-2Ga8; Thu, 05 Mar 2026 18:46:28 +0000 From: Ben Dooks To: lgirdwood@gmail.com, broonie@kernel.org, linux-kernel@vger.kernel.org Cc: Ben Dooks Subject: [PATCH] regulator: max20411: show failure on register Date: Thu, 5 Mar 2026 18:46:23 +0000 Message-Id: <20260305184623.2603269-1-ben.dooks@codethink.co.uk> X-Mailer: git-send-email 2.37.2.352.g3c44437643 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 Sender: srv_ts003@codethink.com Content-Type: text/plain; charset="utf-8" It is easy to use %pe to print a error-pointer so add this to the dev_err() if the devm_regulator_register() fails. Signed-off-by: Ben Dooks --- drivers/regulator/max20411-regulator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/max20411-regulator.c b/drivers/regulator/max= 20411-regulator.c index 02d7009ea0e61..6c0ebb970e902 100644 --- a/drivers/regulator/max20411-regulator.c +++ b/drivers/regulator/max20411-regulator.c @@ -133,7 +133,7 @@ static int max20411_probe(struct i2c_client *client) =20 max20411->rdev =3D devm_regulator_register(max20411->dev, &max20411->desc= , &cfg); if (IS_ERR(max20411->rdev)) - dev_err(max20411->dev, "Failed to register regulator\n"); + dev_err(max20411->dev, "Failed to register regulator: %pe\n", max20411->= rdev); =20 return PTR_ERR_OR_ZERO(max20411->rdev); } --=20 2.37.2.352.g3c44437643