From patchwork Tue Apr 24 09:47:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 10359207 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 9A027601BE for ; Tue, 24 Apr 2018 09:54:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 890A328D2D for ; Tue, 24 Apr 2018 09:54:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7AEFC28D42; Tue, 24 Apr 2018 09:54:39 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E106D28D2D for ; Tue, 24 Apr 2018 09:54:38 +0000 (UTC) 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=3UkVh5MgFcxfo5SzU7R8+iqYaR7V0wp9fWgDKRTkLEE=; b=PhlNywYaNrUZployULa7ihbq6g skuZCNWkbc1gntMog1ulXd3gzUhXjyttAvfkPeW408Ac9KnU2uze8OmlVLWTGdHlVg2FH8ZCU3lRH scaooibEk8QCdFBh8fmC6L/soBYQRViHMOHd/zKPlDM/zdNEZeUNgJfQyhYWOC8Edi7g4PJuS5Fj9 pD2pRAchA1sPAvrPRlBYbOOhtrPOoRJ0ICmci90YdM/JO8hWs5f8ZurgXHqeMbspDoBVmxwW7bdBz rVQb3rxnXkftzIWPq6lahfJKS6HjYBR8y/4p5VxzMx2596UhRN0HDcTCwd/hwfFce5zaN+QTbB2IU ToAnoYdQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fAueg-0002WI-OH; Tue, 24 Apr 2018 09:54:34 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fAuYc-00071u-8k; Tue, 24 Apr 2018 09:48:31 +0000 Received: from ziggy.de (144.pool85-56-49.dynamic.orange.es [85.56.49.144]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C3E29217CE; Tue, 24 Apr 2018 09:48:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C3E29217CE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=matthias.bgg@kernel.org From: matthias.bgg@kernel.org To: ulrich.hecht+renesas@gmail.com, laurent.pinchart@ideasonboard.com, ck.hu@mediatek.com, p.zabel@pengutronix.de, airlied@linux.ie, robh+dt@kernel.org, mark.rutland@arm.com, mturquette@baylibre.com, sboyd@codeaurora.org, lee.jones@linaro.org Subject: [v2 resend 09/10] drm: mediatek: Omit warning on probe defers Date: Tue, 24 Apr 2018 11:47:06 +0200 Message-Id: X-Mailer: git-send-email 2.16.3 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180424_024818_481210_7E8EA732 X-CRM114-Status: GOOD ( 12.16 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sean.wang@mediatek.com, gregkh@linuxfoundation.org, rdunlap@infradead.org, linux@armlinux.org.uk, dri-devel@lists.freedesktop.org, linux-clk@vger.kernel.org, Matthias Brugger , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, matthias.bgg@gmail.com, mchehab@kernel.org, pi-cheng.chen@linaro.org, davem@davemloft.net, linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matthias Brugger When probe through the MFD, it can happen that the clock drivers wasn't probed before the ddp driver gets invoked. The driver used to omit a warning that the driver failed to get the clocks. Omit this error on the defered probe path. Signed-off-by: Matthias Brugger --- drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c index bafc5c77c4fb..6b399348a2dc 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -374,7 +374,8 @@ static int mtk_ddp_probe(struct platform_device *pdev) ddp->clk = devm_clk_get(dev, NULL); if (IS_ERR(ddp->clk)) { - dev_err(dev, "Failed to get clock\n"); + if (PTR_ERR(ddp->clk) != -EPROBE_DEFER) + dev_err(dev, "Failed to get clock\n"); return PTR_ERR(ddp->clk); }