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[109.73.99.134]) by smtp.gmail.com with ESMTPSA id e14-20020a2e984e000000b0025e57b40009sm1742436ljj.89.2022.08.30.05.14.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Aug 2022 05:14:03 -0700 (PDT) From: Krzysztof Kozlowski To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Srinivas Kandagatla , Greg Kroah-Hartman , linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] slimbus: qcom-ngd: use correct error in message of pdr_add_lookup() failure Date: Tue, 30 Aug 2022 15:13:57 +0300 Message-Id: <20220830121359.634344-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Cc: Krzysztof Kozlowski , stable@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Use cprrect error code, instead of previous 'ret' value, when printing error from pdr_add_lookup() failure. Cc: Fixes: e1ae85e1830e ("slimbus: qcom-ngd-ctrl: add Protection Domain Restart Support") Signed-off-by: Krzysztof Kozlowski --- drivers/slimbus/qcom-ngd-ctrl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index 0aa8408464ad..6fe6abb86061 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1581,6 +1581,7 @@ static int qcom_slim_ngd_ctrl_probe(struct platform_device *pdev) pds = pdr_add_lookup(ctrl->pdr, "avs/audio", "msm/adsp/audio_pd"); if (IS_ERR(pds) && PTR_ERR(pds) != -EALREADY) { + ret = PTR_ERR(pds); dev_err(dev, "pdr add lookup failed: %d\n", ret); return PTR_ERR(pds); } From patchwork Tue Aug 30 12:13:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 12959226 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 36097ECAAA1 for ; Tue, 30 Aug 2022 12:15:36 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 1A14F16B0; Tue, 30 Aug 2022 14:14:44 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 1A14F16B0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1661861734; bh=5FG1GHEdBq9GwmqYF5ee4WXo9fpP8LYTn2YgnNjdPYc=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=sZdcd3wiBV3uGPzwrC4l8jQtyrR1MkyRkjTcUACnP4bojFXwGKtXe23HugTqxicvL 9vr1dDLi8feD8iKSSAmXMZWHLoaGEOapNHAt93BvoPWRWmU6Qju6AtggjvImP4LIwR XmI16mWOjzYA5yu6sACu9j19AWQgFB1fD2y1SOGM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 57C20F804B4; Tue, 30 Aug 2022 14:14:18 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id E7811F8032B; Tue, 30 Aug 2022 14:14:13 +0200 (CEST) Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9176FF8016B for ; Tue, 30 Aug 2022 14:14:06 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9176FF8016B Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="DmtvEIod" Received: by mail-lf1-x131.google.com with SMTP id v26so5005972lfd.10 for ; Tue, 30 Aug 2022 05:14:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=oACP5OJ8E262bJyD/huCTI3+4w0pfeaLTzinloHqVMQ=; b=DmtvEIodMZpn1KTPg/BtyUYkVLXGbMytdn6Cys0esmT+9iQN0XAvFe42woLBW/vtBp ZS1w+ZFLCTH5EuI1uyUgA0d49DABrExr4Q2Q0klOa2D7g8C/pHUiq/OKTgRbbqguDN1D NCngdCsdD0KZCSIWIrET1AM4LV8HLExbZoxXgxG1+6NOaCFHmTnom4uVmGQJpskH5fJv nsvkMj/ScQUK6BKiye/dXX20Zu0TFdbUNO1AHhjektm683zwSI5abtOqnt7BC1Wq6VL0 qjmNzei4jAEl3Y8QMWf15lp97r3x9KkpHlCZYoMaaxz3tKJVq0WJbnukJYwOCFZxfAfr F1Dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=oACP5OJ8E262bJyD/huCTI3+4w0pfeaLTzinloHqVMQ=; b=miB+QWqRM4upsI6ozX/XO6qSs11canXvxVO/WFP5+ZvpjHFlsEImYPNXRyn9xGZfaP r6DAh5A4apsER6DQ7HP4ZpdISSN2sKDHT+ig+De2HELkUpxNvohcs7CFNcZSXcsDtWrI c+NZcqKnSJUh8mjZDE8b3HRfnEZYgK/yW0bntFBiIwypLSlO6uFn6a3M9cg84zoPV5DF kx2mTIJr9dWVLmpEca+E/JREj5nxrltA+CWYJDpiC/TgoafE5u0tqUJ7b8+CzN5hRreO ZxTUsrt6wXdO75vkGDyafSeuDXxJNtof7tRKWN8g+pV1w2f4gehKNdyEYf0mlay5kJzM 0jXQ== X-Gm-Message-State: ACgBeo2QJ487X0Q7tT4spSkSh9AuNlcR72Af39GgOUQN/zG0Te9ok7Mm qO0uEXPWC+3z+K3ObTSOQfauwA== X-Google-Smtp-Source: AA6agR5rB94QRjCCM1vUWb04bJnxTamAaZW4THRNYgKtwQvwdbklXgkZdG0aKFaLfkcqxqu5JMSPqg== X-Received: by 2002:a05:6512:38b2:b0:493:9a:ac2e with SMTP id o18-20020a05651238b200b00493009aac2emr7333228lft.126.1661861644793; Tue, 30 Aug 2022 05:14:04 -0700 (PDT) Received: from krzk-bin.. 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[109.73.99.134]) by smtp.gmail.com with ESMTPSA id e14-20020a2e984e000000b0025e57b40009sm1742436ljj.89.2022.08.30.05.14.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Aug 2022 05:14:04 -0700 (PDT) From: Krzysztof Kozlowski To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Srinivas Kandagatla , Greg Kroah-Hartman , linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] slimbus: qcom-ngd: cleanup in probe error path Date: Tue, 30 Aug 2022 15:13:58 +0300 Message-Id: <20220830121359.634344-2-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220830121359.634344-1-krzysztof.kozlowski@linaro.org> References: <20220830121359.634344-1-krzysztof.kozlowski@linaro.org> MIME-Version: 1.0 Cc: Krzysztof Kozlowski , stable@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add proper error path in probe() to cleanup resources previously acquired/allocated: notifier callback qcom_slim_ngd_ssr_notify already registered WARNING: CPU: 6 PID: 70 at kernel/notifier.c:28 notifier_chain_register+0x5c/0x90 Modules linked in: CPU: 6 PID: 70 Comm: kworker/u16:1 Not tainted 6.0.0-rc3-next-20220830 #380 Call trace: notifier_chain_register+0x5c/0x90 srcu_notifier_chain_register+0x44/0x90 qcom_register_ssr_notifier+0x38/0x4c qcom_slim_ngd_ctrl_probe+0xd8/0x400 platform_probe+0x6c/0xe0 really_probe+0xbc/0x2d4 __driver_probe_device+0x78/0xe0 driver_probe_device+0x3c/0x12c __device_attach_driver+0xb8/0x120 bus_for_each_drv+0x78/0xd0 __device_attach+0xa8/0x1c0 device_initial_probe+0x18/0x24 bus_probe_device+0xa0/0xac deferred_probe_work_func+0x88/0xc0 process_one_work+0x1d4/0x320 worker_thread+0x2cc/0x44c kthread+0x110/0x114 ret_from_fork+0x10/0x20 Cc: Fixes: e1ae85e1830e ("slimbus: qcom-ngd-ctrl: add Protection Domain Restart Support") Signed-off-by: Krzysztof Kozlowski --- drivers/slimbus/qcom-ngd-ctrl.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index 6fe6abb86061..bacc6af1d51e 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1576,18 +1576,27 @@ static int qcom_slim_ngd_ctrl_probe(struct platform_device *pdev) ctrl->pdr = pdr_handle_alloc(slim_pd_status, ctrl); if (IS_ERR(ctrl->pdr)) { dev_err(dev, "Failed to init PDR handle\n"); - return PTR_ERR(ctrl->pdr); + ret = PTR_ERR(ctrl->pdr); + goto err_pdr_alloc; } pds = pdr_add_lookup(ctrl->pdr, "avs/audio", "msm/adsp/audio_pd"); if (IS_ERR(pds) && PTR_ERR(pds) != -EALREADY) { ret = PTR_ERR(pds); dev_err(dev, "pdr add lookup failed: %d\n", ret); - return PTR_ERR(pds); + goto err_pdr_lookup; } platform_driver_register(&qcom_slim_ngd_driver); return of_qcom_slim_ngd_register(dev, ctrl); + +err_pdr_alloc: + qcom_unregister_ssr_notifier(ctrl->notifier, &ctrl->nb); + +err_pdr_lookup: + pdr_handle_release(ctrl->pdr); + + return ret; } static int qcom_slim_ngd_ctrl_remove(struct platform_device *pdev) From patchwork Tue Aug 30 12:13:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 12959227 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C555FECAAA1 for ; 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[109.73.99.134]) by smtp.gmail.com with ESMTPSA id e14-20020a2e984e000000b0025e57b40009sm1742436ljj.89.2022.08.30.05.14.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Aug 2022 05:14:05 -0700 (PDT) From: Krzysztof Kozlowski To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Srinivas Kandagatla , Greg Kroah-Hartman , linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] slimbus: qcom-ngd: simplify error paths with dev_err_probe Date: Tue, 30 Aug 2022 15:13:59 +0300 Message-Id: <20220830121359.634344-3-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220830121359.634344-1-krzysztof.kozlowski@linaro.org> References: <20220830121359.634344-1-krzysztof.kozlowski@linaro.org> MIME-Version: 1.0 Cc: Krzysztof Kozlowski X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Use dev_err_probe to skip printing of deferred probe errors and to simplify error paths. Signed-off-by: Krzysztof Kozlowski --- drivers/slimbus/qcom-ngd-ctrl.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index bacc6af1d51e..cec11aa106bf 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1543,10 +1543,8 @@ static int qcom_slim_ngd_ctrl_probe(struct platform_device *pdev) ret = devm_request_irq(dev, ret, qcom_slim_ngd_interrupt, IRQF_TRIGGER_HIGH, "slim-ngd", ctrl); - if (ret) { - dev_err(&pdev->dev, "request IRQ failed\n"); - return ret; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, "request IRQ failed\n"); ctrl->nb.notifier_call = qcom_slim_ngd_ssr_notify; ctrl->notifier = qcom_register_ssr_notifier("lpass", &ctrl->nb); @@ -1575,15 +1573,14 @@ static int qcom_slim_ngd_ctrl_probe(struct platform_device *pdev) ctrl->pdr = pdr_handle_alloc(slim_pd_status, ctrl); if (IS_ERR(ctrl->pdr)) { - dev_err(dev, "Failed to init PDR handle\n"); - ret = PTR_ERR(ctrl->pdr); + ret = dev_err_probe(dev, PTR_ERR(ctrl->pdr), + "Failed to init PDR handle\n"); goto err_pdr_alloc; } pds = pdr_add_lookup(ctrl->pdr, "avs/audio", "msm/adsp/audio_pd"); if (IS_ERR(pds) && PTR_ERR(pds) != -EALREADY) { - ret = PTR_ERR(pds); - dev_err(dev, "pdr add lookup failed: %d\n", ret); + ret = dev_err_probe(dev, PTR_ERR(pds), "pdr add lookup failed\n"); goto err_pdr_lookup; }