From patchwork Thu Sep 6 13:59:04 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerome Brunet X-Patchwork-Id: 146096 Delivered-To: patch@linaro.org Received: by 2002:a2e:1648:0:0:0:0:0 with SMTP id 8-v6csp549091ljw; Thu, 6 Sep 2018 06:59:14 -0700 (PDT) X-Google-Smtp-Source: ANB0VdaJXWG3iniA/cuvDjc5ihT7EEHpAiNW2ZVavGGK5ZFXjygYuQUTctavmihUOy9wWMAsqHRv X-Received: by 2002:a17:902:22:: with SMTP id 31-v6mr2757939pla.190.1536242354151; Thu, 06 Sep 2018 06:59:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1536242354; cv=none; d=google.com; s=arc-20160816; b=YXCxfUsujeoni8HInCVoODW52VobIdhZ6LhTWSgdkiQ18jSFfBSrmUMScfB1a1xNBd M27rlxxjOvZnZoRRechn/NcIk22QSLB6U04R0gWNBH6g63QoqsPFXKphifzPVPmpuM7H RRe+XX/Qd3+6oDcr15YjpLt4oE+NnaQfrVqlQb8dbtHQUHGWVY2H28esazhgOYF9n2bc 9zfuRAss7NDI/C44vBli1GKASd5zv8J6R5RFqOC0BY95ukLpmTiB2iDri4ERtMAItWn1 21JcfM5pu+n3YhAp2DkreOoj8hx20Ggjztox0dR82ic4F3xrXdRdPT9FIvEm0Sans1Hj RT8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature; bh=r5jJc2S34MqKcDe2xIZm65osysYJmMlgiFVDcWOqGi4=; b=hNRARw1/V8tbARZchSOQ2xoGmHBb3t37KRxFRFSiQuBBQsZv9qjufuN3FfoISrBa5S NVTgugWxpn6UO5DyfqNmK448vH/sGvb5ZEBuTZegQJErkVaJ0YVyWDk6djJ7PvqunOpZ 9pdybfLE0wwsvFFZcdB8nEPRqtDL5PAXCp8vx3tJq8bXzaus2oRAW+/I45aq8858nDgk rzrWBqQ9/RHjXV9ebIODHDmpbdpOqQ8iCw7HHU3OhV+xJr4d1sjuhhuFbR3aXLWNzS88 PZU6g5nZZlHDLq2ixM57XwLXHC0gNmOL81VXX6ETkk95n61q0aAoxwPuJTSq2abG0lxj QrhA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=QHWufvI1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u7-v6si5296451pgh.592.2018.09.06.06.59.13; Thu, 06 Sep 2018 06:59:14 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=QHWufvI1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730048AbeIFSew (ORCPT + 32 others); Thu, 6 Sep 2018 14:34:52 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:33097 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729995AbeIFSev (ORCPT ); Thu, 6 Sep 2018 14:34:51 -0400 Received: by mail-wr1-f67.google.com with SMTP id v90-v6so11575863wrc.0 for ; Thu, 06 Sep 2018 06:59:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=r5jJc2S34MqKcDe2xIZm65osysYJmMlgiFVDcWOqGi4=; b=QHWufvI1U51SB2KMuCKO0DQsLsZ61cGd6hKwL2UUZzwKzoVRjcf5mX/Qntx4BtV1l2 ZKma1IXyHBNff2zo/lkx10sLrkmIIkSbLp4K2T/tCdcB2Y4ZxxTmyY07ExJ0VGLwNzDH k55fd+4eP2l26kbC5SSzrwG2HW5rZfoQlTFhgG3hGpAwQ6912IAVlSkxDpi7IrKz6AWw zlIlYFmFSG7tiu8EfyTsmixhejYIA0bKoDZ3Q0iRSqLymejxSI5mxBKvsy38Necggfgs FMqpaEVjqVpPyVjjx+mwe+eklN1+BYzhNNO5OwDL3J9MJYYemJjVhyVdV3N8/YJ8/dEG NFbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=r5jJc2S34MqKcDe2xIZm65osysYJmMlgiFVDcWOqGi4=; b=YB0SmTEWnaXKVFmmT7xUxCIcQttL08Q0tMiSe1JOriusIzaB5eaAmw9JKMjL4yFiZG naqS3ei6nuH99ypqGB//0X7TGOJ5dAV72sqQf1FB9XJMwJs5lN5heM9LVCgcuYeS9XAM wJGphOdQSy2aJccWzbh7o4xXxokZhfMA3ayBkrWiaMIcwn9P0r+0WODgEgnahbaF41+0 RBGUMrHah7x0HdXPEdfIi/Sca37Phl7GUoOjiHXIkY/0ph2Ur/dnrtUhFAeNXT9sudMK zqZ+6VOhd9kWx3ms6u7SDwfoyTM6NuzKDioCVsT3Y/FgfEdGbPPcVENi/4VCwVFJtznc KNUg== X-Gm-Message-State: APzg51DF1AXK6uuoq54Po/f/Jib+b9nQ+L2iby3j9hE8mIQx9VsErlKo qss8L/TnrGKJ8UlLrSBFXmFPvg== X-Received: by 2002:adf:9187:: with SMTP id 7-v6mr2494408wri.215.1536242349279; Thu, 06 Sep 2018 06:59:09 -0700 (PDT) Received: from boomer.baylibre.local ([90.63.244.31]) by smtp.googlemail.com with ESMTPSA id r66-v6sm8768660wmb.37.2018.09.06.06.59.08 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 06 Sep 2018 06:59:08 -0700 (PDT) From: Jerome Brunet To: Jacek Anaszewski , Pavel Machek Cc: Jerome Brunet , linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] leds: pwm: silently error out on EPROBE_DEFER Date: Thu, 6 Sep 2018 15:59:04 +0200 Message-Id: <20180906135904.13803-1-jbrunet@baylibre.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When probing, if we fail to get the pwm due to probe deferal, we shouldn't print an error message. Just be silent in this case. Signed-off-by: Jerome Brunet --- drivers/leds/leds-pwm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) -- 2.17.1 diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c index df80c89ebe7f..5d3faae51d59 100644 --- a/drivers/leds/leds-pwm.c +++ b/drivers/leds/leds-pwm.c @@ -100,8 +100,9 @@ static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv, led_data->pwm = devm_pwm_get(dev, led->name); if (IS_ERR(led_data->pwm)) { ret = PTR_ERR(led_data->pwm); - dev_err(dev, "unable to request PWM for %s: %d\n", - led->name, ret); + if (ret != -EPROBE_DEFER) + dev_err(dev, "unable to request PWM for %s: %d\n", + led->name, ret); return ret; }