From patchwork Thu Apr 13 19:33:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 673476 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E79C8C77B61 for ; Thu, 13 Apr 2023 19:41:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229493AbjDMTlI (ORCPT ); Thu, 13 Apr 2023 15:41:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229457AbjDMTlH (ORCPT ); Thu, 13 Apr 2023 15:41:07 -0400 X-Greylist: delayed 450 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 13 Apr 2023 12:41:06 PDT Received: from smtp.smtpout.orange.fr (smtp-13.smtpout.orange.fr [80.12.242.13]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 84B4665BC for ; Thu, 13 Apr 2023 12:41:06 -0700 (PDT) Received: from pop-os.home ([86.243.2.178]) by smtp.orange.fr with ESMTPA id n2hIpROm9XvOIn2hIpu4Sp; Thu, 13 Apr 2023 21:33:34 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=orange.fr; s=t20230301; t=1681414414; bh=p8tlc8IxZvfAdUY/OUcVwiltoaAGfLctXu29jYVg/I8=; h=From:To:Cc:Subject:Date; b=O1nSWm5I/r5qvZA21kpDd+5nm9utlh0pLDctDWI6qhe9pMxWHGl3FKFAkV9XIvdZe O2rzxDasWVMEDDDqazKOsHUwLg/RL01XBSx30NTtQ+vODdZ30eikuQ7WdPzU6N8hUq RyaiwbxXSQnx6wmRHLOA8wNOyiuhUESX6al0N9RLm1Z+VHWqGQJDvpB1oJVZllR4MW NgwIjZdez5HmAyDpPgXqfrAxo8tEVU+JunpWeklzDgpVQHPOwm3P4fw3frTsJm8wOm 4CMU//G17rDAly5FRWiMlKfu5rvQTRLIfK0m7j04wMjF/8pP6s8wS9a8B7pPKJ3PpY RFvqGJzpe32fg== X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Thu, 13 Apr 2023 21:33:34 +0200 X-ME-IP: 86.243.2.178 From: Christophe JAILLET To: Helge Deller , Cai Huoqing Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH] video: fbdev: mmp: Fix deferred clk handling in mmphw_probe() Date: Thu, 13 Apr 2023 21:33:17 +0200 Message-Id: <685f452cacc74f4983aaff2bc28a02a95e8aa8b7.1681414375.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org When dev_err_probe() is called, 'ret' holds the value of the previous successful devm_request_irq() call. 'ret' should be assigned with a meaningful value before being used in dev_err_probe(). While at it, use and return "PTR_ERR(ctrl->clk)" instead of a hard-coded "-ENOENT" so that -EPROBE_DEFER is handled and propagated correctly. Fixes: 81b63420564d ("video: fbdev: mmp: Make use of the helper function dev_err_probe()") Signed-off-by: Christophe JAILLET --- drivers/video/fbdev/mmp/hw/mmp_ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c index a9df8ee79810..51fbf02a0343 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c +++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c @@ -514,9 +514,9 @@ static int mmphw_probe(struct platform_device *pdev) /* get clock */ ctrl->clk = devm_clk_get(ctrl->dev, mi->clk_name); if (IS_ERR(ctrl->clk)) { + ret = PTR_ERR(ctrl->clk); dev_err_probe(ctrl->dev, ret, "unable to get clk %s\n", mi->clk_name); - ret = -ENOENT; goto failed; } clk_prepare_enable(ctrl->clk);