From patchwork Tue Jul 17 22:03:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 10530879 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 796B3600D0 for ; Tue, 17 Jul 2018 22:04:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6A96E29261 for ; Tue, 17 Jul 2018 22:04:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5EFBB2928C; Tue, 17 Jul 2018 22:04:13 +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=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 015E629261 for ; Tue, 17 Jul 2018 22:04:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731477AbeGQWir (ORCPT ); Tue, 17 Jul 2018 18:38:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:45924 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731474AbeGQWir (ORCPT ); Tue, 17 Jul 2018 18:38:47 -0400 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 6BAE92083B; Tue, 17 Jul 2018 22:04:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1531865046; bh=f4As0+HF36fFkBMzpJ+NyGBUuaoRUlfFgLzsD+BkT6s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C+SnxcQ8nTZ7oyYOAuqlN+nVcH+k4Gi2J8Ycwyqc6xtPBr9UUsa13KdsvSRvL8YvI MZzNF5c3Dp/NZ3UG5UFWM4c4hJCzt3xtSJyoPkNAikdC48xNpOuY9hSpjVhx3T8wFx Ptl7WQBMXwumf5D4F3qW9hanMYCBqHygCFG/3tOo= 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 Cc: davem@davemloft.net, gregkh@linuxfoundation.org, mchehab@kernel.org, rdunlap@infradead.org, pi-cheng.chen@linaro.org, sean.wang@mediatek.com, linux-clk@vger.kernel.org, linux@armlinux.org.uk, matthias.bgg@gmail.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Matthias Brugger Subject: [resend PATCH v4 5/5] drm: mediatek: Omit warning on probe defers Date: Wed, 18 Jul 2018 00:03:28 +0200 Message-Id: <20180717220328.792-6-matthias.bgg@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180717220328.792-1-matthias.bgg@kernel.org> References: <20180717220328.792-1-matthias.bgg@kernel.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matthias Brugger 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 Acked-by: CK Hu --- 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); }