From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939248AbdAFCoM (ORCPT ); Thu, 5 Jan 2017 21:44:12 -0500 Received: from vern.gendns.com ([206.190.152.46]:56116 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754260AbdAFCn7 (ORCPT ); Thu, 5 Jan 2017 21:43:59 -0500 From: David Lechner To: Dmitry Torokhov , Rob Herring , Mark Rutland Cc: David Lechner , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] Input: pwm-beeper: suppress error message on probe defer Date: Thu, 5 Jan 2017 20:43:52 -0600 Message-Id: <1483670635-25060-2-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483670635-25060-1-git-send-email-david@lechnology.com> References: <1483670635-25060-1-git-send-email-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This suppress printing an error message when pwm_get/pwm_request returns -EPROBE_DEFER. Otherwise you get a bunch of noise in the kernel log. Signed-off-by: David Lechner --- drivers/input/misc/pwm-beeper.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c index 5f9655d..e76b710 100644 --- a/drivers/input/misc/pwm-beeper.c +++ b/drivers/input/misc/pwm-beeper.c @@ -109,9 +109,10 @@ static int pwm_beeper_probe(struct platform_device *pdev) beeper->pwm = pwm_request(pwm_id, "pwm beeper"); } - if (IS_ERR(beeper->pwm)) { - error = PTR_ERR(beeper->pwm); - dev_err(&pdev->dev, "Failed to request pwm device: %d\n", error); + error = PTR_ERR_OR_ZERO(beeper->pwm); + if (error) { + if (error != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to request pwm device\n"); goto err_free; } -- 2.7.4