From patchwork Mon Feb 24 14:40:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Hunter X-Patchwork-Id: 1243162 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.a=rsa-sha256 header.s=n1 header.b=GMucuiiq; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48R4Vx33rJz9sRf for ; Tue, 25 Feb 2020 01:40:57 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727498AbgBXOkx (ORCPT ); Mon, 24 Feb 2020 09:40:53 -0500 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:18372 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726762AbgBXOkx (ORCPT ); Mon, 24 Feb 2020 09:40:53 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 24 Feb 2020 06:40:39 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 24 Feb 2020 06:40:52 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 24 Feb 2020 06:40:52 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 24 Feb 2020 14:40:52 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 24 Feb 2020 14:40:52 +0000 Received: from thunderball.nvidia.com (Not Verified[10.21.140.91]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Mon, 24 Feb 2020 06:40:51 -0800 From: Jon Hunter To: Liam Girdwood , Mark Brown , Thierry Reding CC: , , , Jon Hunter Subject: [PATCH] regulator: pwm: Don't warn on probe deferral Date: Mon, 24 Feb 2020 14:40:48 +0000 Message-ID: <20200224144048.6587-1-jonathanh@nvidia.com> X-Mailer: git-send-email 2.17.1 X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1582555239; bh=xX7Mgn1VlNejVzsSKFLhZRbMP4+2YtN6WM4DdeoOEHs=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: X-NVConfidentiality:MIME-Version:Content-Type; b=GMucuiiqAspPQsWQ1ebM1v5mPEShSHma2lu4iNERqE/uilIy4CUp4eHq6df8Lcsvu 11bCdd116mWyRJ5/F69vtHcgJHTbeaaRcf+A1/A3DLTuc6Z/PRb5jcySSX/aRCaPfA +au3XaR3dyBeV+xizDks3Ibot8dmHuQWswqibwwVp5Qanoow2Dj75j/Q++AU7PwM6A ChvWMkFCBBz6FO8SGi5jCQrCgLTrHtX90cRQZsaaQFrbBYLhLrAsdFkFM2mVLd+xqz rc7bwTn707Mpf71vRGfmJgoiBm/Pm1qLnRoyLBakyb0xfmEJkCP99y3nO62z9DIpDm DdSZ9ONzuo7vA== Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Deferred probe is an expected return value for devm_pwm_get(). Given that the driver deals with it properly, there's no need to output a warning that may potentially confuse users. Signed-off-by: Jon Hunter Reviewed-by: Thierry Reding --- drivers/regulator/pwm-regulator.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c index e74e11101fc1..fb25777a7d47 100644 --- a/drivers/regulator/pwm-regulator.c +++ b/drivers/regulator/pwm-regulator.c @@ -354,7 +354,8 @@ static int pwm_regulator_probe(struct platform_device *pdev) drvdata->pwm = devm_pwm_get(&pdev->dev, NULL); if (IS_ERR(drvdata->pwm)) { ret = PTR_ERR(drvdata->pwm); - dev_err(&pdev->dev, "Failed to get PWM: %d\n", ret); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to get PWM: %d\n", ret); return ret; }