From patchwork Sat Aug 24 14:09:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 11113007 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CED541395 for ; Sat, 24 Aug 2019 14:10:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AC2D621670 for ; Sat, 24 Aug 2019 14:10:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="HA6iz1R1"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="IzQqKi5x" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AC2D621670 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=U5/BWSJKQKBj9UEWnS3aeEGfmk43kZBNpMGOlio6A2I=; b=HA6iz1R1jaH7hciIfT+srfEZgC MFnjbnUGaChag+KwLQZdhbb1lKRvLVuwTk7FiZfNabxdqMw+wenpkXHwy7kP0roWoLPt7TublFBBi 4Ejt9Jh5uoaUDrqg3vKcfdndtW7PC5iYNO88rBLaLQtFD4dib0EBGkuFqUXdGQgxnXqwSIC2BXbkf +r/W3zyStN6jrRXHJLpw5zGzQ/hFSXnF+9kjwRGB9rUvjeTAwkPZnAVeYUC4NYFupXTKZ++/NLxfQ l3YjcpgIZu/s+Dn7JZ7XNpOMMKmXryoSlXq0fUitsq1IMtVGSDR//nx0e4uHk5/wbmDQS4UDdMkcI uyU4FNfQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i1Wka-0005cX-0M; Sat, 24 Aug 2019 14:10:40 +0000 Received: from mout.gmx.net ([212.227.15.15]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i1Wk6-0004nF-Cj for linux-arm-kernel@lists.infradead.org; Sat, 24 Aug 2019 14:10:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1566655798; bh=rRIKSJq9ObxQ/pOOw2ApNgV/oQBg3tBp8gJFC1ntmhM=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=IzQqKi5xE2IcwK22fDz9kIIEKC3dBzfKooZPjztmD9kUrQpbB3UbgVUshGrC3VatH XoFItX5R1B2QmZD3afTPnoPQRxThEon61Olkw/zoVHMybNUUn3BbbWR87tY0z1EM/N m515wEKPl3KN2Utjz+pl9i2+jrfSZ3Zc8PUGGdoQ= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from localhost.localdomain ([37.4.249.106]) by mail.gmx.com (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MmDIo-1iS67C2oWe-00i8fo; Sat, 24 Aug 2019 16:09:58 +0200 From: Stefan Wahren To: Thierry Reding , Eric Anholt , Florian Fainelli , Ray Jui , Scott Branden Subject: [PATCH V2 3/3] pwm: bcm2835: suppress error message during deferred probe Date: Sat, 24 Aug 2019 16:09:48 +0200 Message-Id: <1566655788-24949-4-git-send-email-wahrenst@gmx.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1566655788-24949-1-git-send-email-wahrenst@gmx.net> References: <1566655788-24949-1-git-send-email-wahrenst@gmx.net> X-Provags-ID: V03:K1:32UdlmvSNs+Bubdd9WzEPRfqqlhDYyyRN89kD6V073ChqdNlB8+ oR5pJwySQ84SvsTgYT4srJHSz4V8X3EOCmE/Aj9vIJrYg+81erDalw9X1pj9gGM1YQfmmTZ ugGNNncxu28nqRMMVzVVMf6pwpAGqhnb+zdJypv81Q4nkbnYUArHNWeRn1AFNk8rQBk/v8j mOfC2kdPPNfzfxnLisa3A== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:fhMKr21ua04=:nJy53uGPEf2MHM+JqTU8D0 Jriu2LbdknOxCIznnwPY19RodlJOyQMU0xdCdvWDiq7fvoeBJ/55CcqTSrngrxlRm56IWpR4Z Dotok7jb8JCrDGmMOmVS8hpIAAXnAsX5ta/36PUVbXkfonpiGWpXJI0KMR4n/nUdAuruiHYsa PSM0lY3q7a5U+1FPnQyC4h1VVqD7FyGmMcqVemgPBK+5d92eM7x/q5nB8wH242samcL+j7m55 NXX8a28F4mYvuHhxz7/8Q+xJk1h7DcPEAvV2g1Su6ppCC9bTSHTIXKzdwMuyp4Vz2YeaWBzUk j6BPdK1HLOYPzv/j0mRnCAsqqMkIZSgGSbvjsBTVuU2XUA2CE4C4DbXHyDkmbU5/GMkKGAx05 ToeTJ6cQgCCbapNd1QrBOzB2GE+VE33BGjz4Op9brjJeFMp7CLLKzwtefXsepdAb47tLk9CrW jy5u+0JsboeqMG6jibmCW5e1Jcm2ZNe+0hFBmoRRD0iKUACkzeESJxXfxidXOPprI2cn0eknv 2kfYbZa7M4kpvTrY35FQ67SnH5sqEA2mfixdOF+EC0slQUvz1+bUHVPm0Tg8e1CMEiITIy62R Y6k8mfHuQekkEPYoDpEtzoSbQrBvuxXpYd2jQgywNLB5WeLPZgqBt4nz0sJekiCJ8hJImy2Zi LlKB+0GYMyu5zc11lle3dZWed9U9x+2A4B+gFOpTCo9JW8j0e4tQTWPqIU/HyTuimlK3BxpPF IIWgKzWBJ+vE0gK1UHNj894y/OQOiRt03f7lXaNHVSojG3am7x+8Rjs0ZRyHBqQxZ880UsvqP grAoGHNnDc0HUMPFSbg4ZH5BBMcP2CVtmkTyN3ML8wUIIJwH5cQHlSifPHD1LFQa2DmlZNt2r 6g+TBuDXEu2mTh7SlgIoI2OqKDezYSuyYFmhn3Z1GdPSmXEqD67tyf3fNCiVVjhe/IKLWL/O4 1XuOUCH00v5XUkLV1h4TJNUaw21y2i0Vyzm3CaXX/ERh5gH6cAfmUvEpihBKuSBt4HYWIFOUG zCRC4DI0j61cbaZvBbuLdMoObHfbjH9si+MEjnBVHMNuI6aE+sLs4JfmySw5zS0T86LMXqrMA r/tGmYwi6p4GsL4kVRm1ZBHpg3y/xwIT2XhQJBWeacKuSSyrlx9zA4NCg== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190824_071010_747392_B91C46DF X-CRM114-Status: GOOD ( 12.46 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [212.227.15.15 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (wahrenst[at]gmx.net) -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Stefan Wahren , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This suppresses error messages in case the PWM clock isn't ready yet. Signed-off-by: Stefan Wahren Reviewed-by: Uwe Kleine-König --- drivers/pwm/pwm-bcm2835.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) -- 2.7.4 diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c index 2c82386..91e24f0 100644 --- a/drivers/pwm/pwm-bcm2835.c +++ b/drivers/pwm/pwm-bcm2835.c @@ -153,8 +153,11 @@ static int bcm2835_pwm_probe(struct platform_device *pdev) pc->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pc->clk)) { - dev_err(&pdev->dev, "clock not found: %ld\n", PTR_ERR(pc->clk)); - return PTR_ERR(pc->clk); + ret = PTR_ERR(pc->clk); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "clock not found: %d\n", ret); + + return ret; } ret = clk_prepare_enable(pc->clk);