From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68B9DC433DF for ; Mon, 17 Aug 2020 15:29:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 29FD42054F for ; Mon, 17 Aug 2020 15:29:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597678199; bh=k2Y/wdQBPBwdqVEJvQH4Trnk31ZgtBleldriB3usG08=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XJIAENytBIm7AVx3pVWn/GaJqpg0Ap6/Gh6Xi1og7FXbiciM5jBJz4XUBfrobaMIm pXULh14Q5vVbdC3RxzkyF4BJ+YwFA92Jn6znNeaoJOvuTTy9SsQbV4HBZJPUhH/K+k kjDvXwNMVZlM9SU+ZLM4co8GxDm8OJ4hMDfXAfyY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730149AbgHQP3z (ORCPT ); Mon, 17 Aug 2020 11:29:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:40982 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729979AbgHQP15 (ORCPT ); Mon, 17 Aug 2020 11:27:57 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE40923B54; Mon, 17 Aug 2020 15:27:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597678076; bh=k2Y/wdQBPBwdqVEJvQH4Trnk31ZgtBleldriB3usG08=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pZMh1mq6555IRosI6DLOIDUwgGj9CKQn/C7R9kbhfg8wzfEEcdv+vqWJWoop8DhOk fqwfzfdxz4OI5j1914BsuSA037XxA2T9S0ndhmNnu/bsUg0qTRKK0GdWQwXa5mVuqT F3abRg99vT7fAYsK2eI0i64kSnCgwcIypvc0yC1c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dariusz Marcinkiewicz , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.8 210/464] media: cros-ec-cec: do not bail on device_init_wakeup failure Date: Mon, 17 Aug 2020 17:12:43 +0200 Message-Id: <20200817143843.870989130@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200817143833.737102804@linuxfoundation.org> References: <20200817143833.737102804@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dariusz Marcinkiewicz [ Upstream commit 6f01dfb760c027d5dd6199d91ee9599f2676b5c6 ] Do not fail probing when device_init_wakeup fails. device_init_wakeup fails when the device is already enabled as wakeup device. Hence, the driver fails to probe the device if: - The device has already been enabled for wakeup (by e.g. sysfs) - The driver has been unloaded and is being loaded again. This goal of the patch is to fix the above cases. Overwhelming majority of the drivers do not check device_init_wakeup return code. Fixes: cd70de2d356ee ("media: platform: Add ChromeOS EC CEC driver") Signed-off-by: Dariusz Marcinkiewicz Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/cec/platform/cros-ec/cros-ec-cec.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/media/cec/platform/cros-ec/cros-ec-cec.c b/drivers/media/cec/platform/cros-ec/cros-ec-cec.c index 0e7e2772f08f9..2d95e16cd2489 100644 --- a/drivers/media/cec/platform/cros-ec/cros-ec-cec.c +++ b/drivers/media/cec/platform/cros-ec/cros-ec-cec.c @@ -277,11 +277,7 @@ static int cros_ec_cec_probe(struct platform_device *pdev) platform_set_drvdata(pdev, cros_ec_cec); cros_ec_cec->cros_ec = cros_ec; - ret = device_init_wakeup(&pdev->dev, 1); - if (ret) { - dev_err(&pdev->dev, "failed to initialize wakeup\n"); - return ret; - } + device_init_wakeup(&pdev->dev, 1); cros_ec_cec->adap = cec_allocate_adapter(&cros_ec_cec_ops, cros_ec_cec, DRV_NAME, -- 2.25.1