From patchwork Tue Aug 30 17:52:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 601112 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 D403AECAAA1 for ; Tue, 30 Aug 2022 17:54:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231643AbiH3Ryu (ORCPT ); Tue, 30 Aug 2022 13:54:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55220 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231756AbiH3Ry2 (ORCPT ); Tue, 30 Aug 2022 13:54:28 -0400 Received: from mail-lj1-x22c.google.com (mail-lj1-x22c.google.com [IPv6:2a00:1450:4864:20::22c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7344C69F43 for ; Tue, 30 Aug 2022 10:52:15 -0700 (PDT) Received: by mail-lj1-x22c.google.com with SMTP id bn9so12171910ljb.6 for ; Tue, 30 Aug 2022 10:52:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc; bh=VTjkGMpau5/qRAdXn0AI5h8erS6BqzJeV7Kg59cVfQA=; b=Oi+RM+tzjrXAvwWJ/1F2E+IM9ParyeuSLNnrQVs15TSAVeSuAE0Infw2CS1/QiRQS/ LlAQT6OHgfQwX2CiMKnx8lxZWKGZdYZtf3T1/+Wd6XEyxWKdC9/VoZx1W2IH3dnCyRxD vQonf5rzfi99B9n08RlW2+poiVwtJHH2/2gifP7L9jg1a8ZF7bS7mXRQYgDt1NnvYfEd SPAh1G+E2H6fiF2PX9PkBJYaQbdvyveYL7JizYQL0yGeSgbJh4AaTSK3KKOXPLrFkADV 0HleTJnmPIEmZYXw6u5uWrWSGv2vJSrgFw+A28jF4U5nFY67+KbOj/DAdGNIlgIKDg2F lmAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc; bh=VTjkGMpau5/qRAdXn0AI5h8erS6BqzJeV7Kg59cVfQA=; b=glrbrrYqVCQ2U/e9oRbBndk7wCbkB6Tg8uRph4/ht1t9zCrspmgEwpfZ1baNMIud3B 22zA+7bPuAsYgHb/Vfsvxo6d0JXRY+ueXFjEmPEePJs+GMJn/n/onus0C2l4bvjuL4p0 BEDo2nr2GGM9wCAaq2nPga1CBh+IiJxUntsDh/CD3cvqcdtAwpsmA1lLgRP16xdF3g4v SSz6AY4pTLvboEVrvn4WyV36/wRTZtGak8836dASuHfAyJ9SZCMJc8GQFF6FtKMdZuHC Na5Hzfat9v9FZ5sKO/IduxzvAyoY/2TD9OBUjv6aub/Y8qbVKYumqzeO+73Vevr0Bmcw AIeQ== X-Gm-Message-State: ACgBeo17wc7xdqCA8Iuhp7eCH+ev4f8kls3KYrDQ0QjRowEOt297tsJX 347/RLDLmosMYnq+xPGPkc9K7A== X-Google-Smtp-Source: AA6agR6YVxd1GqkYJZb2vCNU9Na2hZJBEwqWFfETlz+jgEblX/6iRSkfaYv+JTOwOExVYOZfxz5+ZA== X-Received: by 2002:a2e:b8ce:0:b0:261:ada1:d803 with SMTP id s14-20020a2eb8ce000000b00261ada1d803mr6901699ljp.143.1661881933438; Tue, 30 Aug 2022 10:52:13 -0700 (PDT) Received: from krzk-bin.. (balticom-73-99-134.balticom.lv. [109.73.99.134]) by smtp.gmail.com with ESMTPSA id z16-20020a05651c11d000b00266461bf934sm653420ljo.107.2022.08.30.10.52.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Aug 2022 10:52:12 -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 Cc: Krzysztof Kozlowski , stable@vger.kernel.org Subject: [PATCH v2 1/3] slimbus: qcom-ngd: use correct error in message of pdr_add_lookup() failure Date: Tue, 30 Aug 2022 20:52:05 +0300 Message-Id: <20220830175207.13315-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use correct 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 --- Changes since v1: 1. Correct typo 2. Return 'ret' instead of again PTR_ERR --- drivers/slimbus/qcom-ngd-ctrl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index 0aa8408464ad..f4f330b9fa72 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1581,8 +1581,9 @@ 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); + return ret; } platform_driver_register(&qcom_slim_ngd_driver); From patchwork Tue Aug 30 17:52:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 601904 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 7DF65ECAAA1 for ; Tue, 30 Aug 2022 17:55:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231869AbiH3Ry7 (ORCPT ); Tue, 30 Aug 2022 13:54:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230203AbiH3Ryg (ORCPT ); Tue, 30 Aug 2022 13:54:36 -0400 Received: from mail-lj1-x233.google.com (mail-lj1-x233.google.com [IPv6:2a00:1450:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2820104014 for ; Tue, 30 Aug 2022 10:52:16 -0700 (PDT) Received: by mail-lj1-x233.google.com with SMTP id b26so5266517ljk.12 for ; Tue, 30 Aug 2022 10:52:16 -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=3y3YYNjG4SIll+4KRGX+EDIiHFSP98/0RDSZ0UDqAXc=; b=Rrxh/TS3FWVNU8y41gAtxxp1CRU75bRvzDTANnlUteoF/ovurrUMSNm9Yba5XpSq1f H9R8AjL9HUgEikw/mKRZmcUZgovaaSLfhvqRWTe6HJlU12QMDCWywCCYHIF9DwB/G6lI JTCGDT5LVGV2J9adV3BVXpiwSgyVRgYilju2pZ9hIcA9RMiJjf6PcvcnIXsQhl804zvS AuRE5oR9kPjiUW8KXwLyJIpVNt91qCMlblsdbD0/0zjfu52Q+HO1GN2JLriw5Fxy7rLx wZ5TG1ag8OOL9Xgu67kbNfFN94Pky8QsLaBUlwnE+f4FX4sZq/5rEf/4zaH7PR15m/Si 25ZQ== 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=3y3YYNjG4SIll+4KRGX+EDIiHFSP98/0RDSZ0UDqAXc=; b=2HVM6C2jxEIUGch9UOS4Pqi22SDCM2xQ9MU7509GouVmiTRreg7bnuzDVWUL4Yp9NS MHQT74XdcFEIcwtkZqWdhYui6ahMxrBLNK3EQFNomTT4hHnKl2hpdg1PRFgGnT1DQ7MP AfiRIVT0Xk3jkWieG2yhZbc0VsTPiPC2uhtaYV5I27BBeqJMTHkyAlVOVRo6pVqHQaXE XTRkexuxIF+PRD0NgMOQ/ZqqtMG3OgrAakOgI+ofZYg4jAMmtbTBxLTLPHzyePgHaRA/ qdEeFvDI1VLDAV2+2og2GJEZjvIUnHxRNvR+XRSsQo3drHojJieCilkmJIvFzfXaHswf ITIA== X-Gm-Message-State: ACgBeo1ITXcooAUiZGezEUspTfg3cLgAOAccvGjDRcriMWfgbeuqIbqt 0MtQs48a4xULFf0a1+jxJz+tvQ== X-Google-Smtp-Source: AA6agR6aBzjax1OJ583UbgWEAsw1wjuLmZGIkw+bcfOnZZOUr6WPMhITL1nEpYPpzybvIaw+MGsTmw== X-Received: by 2002:a05:651c:105b:b0:265:ca48:d445 with SMTP id x27-20020a05651c105b00b00265ca48d445mr2491150ljm.300.1661881934701; Tue, 30 Aug 2022 10:52:14 -0700 (PDT) Received: from krzk-bin.. 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[109.73.99.134]) by smtp.gmail.com with ESMTPSA id z16-20020a05651c11d000b00266461bf934sm653420ljo.107.2022.08.30.10.52.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Aug 2022 10:52:14 -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 Cc: Krzysztof Kozlowski , stable@vger.kernel.org Subject: [PATCH v2 2/3] slimbus: qcom-ngd: cleanup in probe error path Date: Tue, 30 Aug 2022 20:52:06 +0300 Message-Id: <20220830175207.13315-2-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220830175207.13315-1-krzysztof.kozlowski@linaro.org> References: <20220830175207.13315-1-krzysztof.kozlowski@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add proper error path in probe() to cleanup resources previously acquired/allocated to fix warnings visible during probe deferral: 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 --- Changes since v1: 1. None --- 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 f4f330b9fa72..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 ret; + 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 17:52:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 601111 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 AC1AAC0502C for ; Tue, 30 Aug 2022 17:55:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232164AbiH3RzA (ORCPT ); Tue, 30 Aug 2022 13:55:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231891AbiH3Ryg (ORCPT ); Tue, 30 Aug 2022 13:54:36 -0400 Received: from mail-lj1-x229.google.com (mail-lj1-x229.google.com [IPv6:2a00:1450:4864:20::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D294113EAE for ; Tue, 30 Aug 2022 10:52:17 -0700 (PDT) Received: by mail-lj1-x229.google.com with SMTP id s15so7045912ljp.5 for ; Tue, 30 Aug 2022 10:52:17 -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=sc5HxHmlEPh4tH86ykJVfO3JOxEms3jA1Un8zaoNfDc=; b=ewGMkAiae9VuZkt4oRyIeJ/oPXeBsBitYVe3mfJD7hFMno1cINAZb4OxH2DS8r+EAn i1OkVYlRf9fHLgBcAAfduWzaNibqKm5TjARI9LTYey03wRkAX/3NR2oFjVmNoh4eSJ65 0yNRuTNsRz51WGkG4aHctkKtRQeNXyY3FfwxE9jYmmFC4GXL8mmvr0DU06/OwMqBDYEQ 4mA1WcjpJ+wsOH2uuAlTqCLhHjFj/Y65dWMFWkFDMpIkT3ZqwZNA6R2H6vgImijTynGh Ymzg8lYvhv7Slk8oUSiyu2uWVL4A6nHoShpudcoCs1SO7reDcunMRvZkudjbA592vsBk Yl6g== 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=sc5HxHmlEPh4tH86ykJVfO3JOxEms3jA1Un8zaoNfDc=; b=oQqly7cmbzJUl08ZjVtijdJ99bXchq4AInJdqngzkM5lx/ajjiHRn9jefLW/lEe5/o 1gSgyhtoQqTHSb/74ch1yoFMzW78GWJbkz04zJe4iv3kJ2+VgeYLAfCELGYJY2aqllL8 4QM7JNdNXHJhyjfyCBEMSmL4Xz/fNxC+irXBW+vy/0thOqc73aLE0iY8EXzUM/Ze7QqC pLMBkjycgzsgKmMATn4dZb0sALYBdczaulAY3m6ovWZy61CeuZTcNfeYhEtxb1imTW6R uFPr17jsfYQbDnxDjmJrczUYsvMFXWc5lEoNQi+o0ScP4dL/aZ2pktPPIbHNh9VojyT6 54Ug== X-Gm-Message-State: ACgBeo1mLGgf6w3nbVIuJZq4nI9+2C3DTmjC/wXT/2UjeIPNRCXJ6s1y eoZM0oNp54G7/0rRsUHAtoh5tw== X-Google-Smtp-Source: AA6agR7kEED4eOUmvqvRHvp6dhNWSxVrTH8RHc95EoPsVY0hEEJFr94M6PDkfztbkEiF3n4pWIdU4A== X-Received: by 2002:a2e:b808:0:b0:266:52d9:ac6a with SMTP id u8-20020a2eb808000000b0026652d9ac6amr2201215ljo.14.1661881935998; Tue, 30 Aug 2022 10:52:15 -0700 (PDT) Received: from krzk-bin.. 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[109.73.99.134]) by smtp.gmail.com with ESMTPSA id z16-20020a05651c11d000b00266461bf934sm653420ljo.107.2022.08.30.10.52.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Aug 2022 10:52:15 -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 Cc: Krzysztof Kozlowski Subject: [PATCH v2 3/3] slimbus: qcom-ngd: simplify error paths with dev_err_probe Date: Tue, 30 Aug 2022 20:52:07 +0300 Message-Id: <20220830175207.13315-3-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220830175207.13315-1-krzysztof.kozlowski@linaro.org> References: <20220830175207.13315-1-krzysztof.kozlowski@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use dev_err_probe to skip printing of deferred probe errors and to simplify error paths. Signed-off-by: Krzysztof Kozlowski --- Changes since v1: 1. None --- 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; }