From patchwork Tue Jan 10 21:20:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shuah Khan X-Patchwork-Id: 9508527 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D63AF601E9 for ; Tue, 10 Jan 2017 21:21:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C79A328569 for ; Tue, 10 Jan 2017 21:21:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BADE3285BC; Tue, 10 Jan 2017 21:21:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5721E28569 for ; Tue, 10 Jan 2017 21:21:31 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cR3rF-0002xu-Us; Tue, 10 Jan 2017 21:21:29 +0000 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49] helo=osg.samsung.com) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cR3rC-0002sB-62 for linux-arm-kernel@lists.infradead.org; Tue, 10 Jan 2017 21:21:28 +0000 Received: from localhost (localhost [127.0.0.1]) by osg.samsung.com (Postfix) with ESMTP id 812E5A1355; Tue, 10 Jan 2017 21:21:20 +0000 (UTC) X-Virus-Scanned: amavisd-new at osg.samsung.com Received: from osg.samsung.com ([127.0.0.1]) by localhost (s-opensource.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zipt8izzcnKP; Tue, 10 Jan 2017 21:21:19 +0000 (UTC) Received: from localhost.localdomain (c-73-181-52-62.hsd1.co.comcast.net [73.181.52.62]) by osg.samsung.com (Postfix) with ESMTPSA id 159D7A0DE2; Tue, 10 Jan 2017 21:21:19 +0000 (UTC) From: Shuah Khan To: balbi@kernel.org, gregkh@linuxfoundation.org, kgene@kernel.org, krzk@kernel.org, javier@osg.samsung.com Subject: [PATCH] usb: dwc3-exynos remove suspend clock unspecified debug message Date: Tue, 10 Jan 2017 14:20:59 -0700 Message-Id: <20170110212059.21995-1-shuahkh@osg.samsung.com> X-Mailer: git-send-email 2.9.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170110_132126_255794_4206B9EA X-CRM114-Status: UNSURE ( 8.08 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, linux-usb@vger.kernel.org, Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP dwc3-exynos prints debug message when suspend clock is not specified. The suspend clock is optional and driver can work without it. This debug message doesn't add any value and leads to confusion and concern. Remove it. Signed-off-by: Shuah Khan --- This patch is a result of the disussion on the following patch. https://lkml.org/lkml/2017/1/9/891 drivers/usb/dwc3/dwc3-exynos.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index e27899b..3e8407a 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -128,10 +128,8 @@ static int dwc3_exynos_probe(struct platform_device *pdev) clk_prepare_enable(exynos->clk); exynos->susp_clk = devm_clk_get(dev, "usbdrd30_susp_clk"); - if (IS_ERR(exynos->susp_clk)) { - dev_info(dev, "no suspend clk specified\n"); + if (IS_ERR(exynos->susp_clk)) exynos->susp_clk = NULL; - } clk_prepare_enable(exynos->susp_clk); if (of_device_is_compatible(node, "samsung,exynos7-dwusb3")) {