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Mon, 26 Oct 2020 12:03:55 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20201026030355epsmtip170465f0d872a33a00bf7309ed66a01dc~Ba8S_Ixc51238112381epsmtip1e; Mon, 26 Oct 2020 03:03:55 +0000 (GMT) Subject: Re: [PATCH v6 50/52] PM / devfreq: tegra30: Silence deferred probe error To: Dmitry Osipenko , Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org From: Chanwoo Choi Organization: Samsung Electronics Message-ID: <0bbf89ed-c8ac-86a8-8ed4-b5a887c82656@samsung.com> Date: Mon, 26 Oct 2020 12:17:44 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0 MIME-Version: 1.0 In-Reply-To: <20201025221735.3062-51-digetx@gmail.com> Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA01TbUxTVxjO6cdtQequgOsZcYiX+EMWPiq0OzhgKmoqbguJYQyTURt60xJK W3vBjKnRKUqhfqJWaUEcRkE2h5SOYS2gDGE1KahsDhw4UDAEbetaiajI1vZixr/nfd/nOc95 zgeXGerEIrj5qiJSq5IqCSyY1frrqthYU4pBkuCYjkcuzwQb1Xb3sdEP/zwG6PdpN4bOtJsx VGqsY6H+/qsc9PPEjwzk2P+Mgwas1RjyHukGqPyFEUN3b29Ef33XgKHKK6cBcjzZgg62d3PQ 3P1mFnplPcdCLaM92NpwsXvwIEd8zTjCEd/rm2WKzY3lmHj4vg0T/63vZYiPHHBh4qOWRiD2 miMzg7YVpChIqYzURpGqPLUsXyVPJbZslaRLhKIEQawgGX1MRKmkhWQqseGzzNhN+UpfMiJq p1RZ7GtlSimKiE9L0aqLi8gohZoqSiVIjUypSdbEUdJCqlglj8tTF64RJCSsFvqI2wsUh6/f wTStwd/0mc4x94FebgUI4kI8CT5xlLIqQDA3FG8D8EKFjUEXHgDbTriZdOEF8OkNJ+udpKm2 jU0PrACWew5x6MIN4OQjJ9PPCsO3QltjS0Aejg+xYH3DHOYfMPGzAA7bov0Yw2Ng5+RgoP8e vgL+MfMY+DEPT4OVnVfZfszCV8LKA5cC1kvxL6G9tXSeswTaq8YD/SBcBL3HugC9Ph8+GK9l 0Hg5/MVZHdgExE1B8PKQi0ln2AArn7sZNA6DU70WDo0joNfVjtF4F7xs78ZosQ5AS+cdNj1I hJ0XT/rEXJ/DKthkjafbK+C1NzXzm1gMXdOH2X4KxHlQdyiUpkTDgdGRedsP4IWycuw4IIwL 4hgXRDAuiGD83+w8YDWC90kNVSgnKYEmaeF9m0Hg3cegNlDjfB7XBRhc0AUgl0mE86qXnZaE 8mTSkm9JrVqiLVaSVBcQ+g74BDNiaZ7a93FURRKBcHViYiJKEoiEAgHB581+pJOE4nJpEVlA khpS+07H4AZF7GMkzvbXZ9uzDX296z7xOLFnjpAe5ZvolumqAffU0Fy2fqT5bmrGZtv6TZst ux0dbz3DP6muK08dd6XpqP2m8pwMvVN4Pv3fY7dq5rI8ubtE5gfrVzoMX5BjY5HbZ/iURa59 HTdrAovedq7r7/E8OhnXccpl8E6m75F9pX/qrVIsurf7e5Ooh0rW38hcw3lpiHSGYU32ZR+q tkUG71Xk6MjI0dyykJKch7Li3FaUUS+37uhQH9UvnqlLizU7GfyHhu7JSxO1dSVLNoqzbn76 9ctXn4/uEI1ZdPXjU2Vw8JY8hC/Kar742rbnN+uV8YabMYq1Yzv/tJ9d/mJvOu928nI+waIU UkEMU0tJ/wOPD6awgAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrBIsWRmVeSWpSXmKPExsWy7bCSnO5sm2nxBh8XC1q8+/SU1WL+kXOs Fqs/Pma0uPL1PZvF9L2b2CxaZi1isTh/fgO7xdana5gszja9Ybe4vGsOm8Xn3iOMFp1fZrFZ XDzlanG7cQWbxaS1Uxktzj7ztmjde4Td4t+1jSwWP3fNY7HY/OAYm4OIx/sbreweO2fdZfe4 dO4Ps8emVZ1sHneu7WHzuN99nMmjt/kdm0ffllWMHp83yQVwRnHZpKTmZJalFunbJXBl9Oy+ wFawjavi3Ox5zA2Mxzm6GDk5JARMJNbP38HaxcjFISSwg1Hi08Sp7BAJSYlpF48ydzFyANnC EocPF0PUvGWUuDfzDitIjbBAsMSeVZuZQRIiAndZJCb9uMUG4jALzGCU+LNhIztEyxZGidZZ 29hAWtgEtCT2v7gBZvMLKEpc/fGYEcTmFbCTmLR/A9hYFgFViUnNy1hAbFGBMImdSx4zQdQI Spyc+QQszilgJvG5/xBYL7OAusSfeZeYIWxxiVtP5jNB2PIS29/OYZ7AKDwLSfssJC2zkLTM QtKygJFlFaNkakFxbnpusWGBUV5quV5xYm5xaV66XnJ+7iZGcORrae1g3LPqg94hRiYOxkOM EhzMSiK8c2SmxgvxpiRWVqUW5ccXleakFh9ilOZgURLn/TprYZyQQHpiSWp2ampBahFMlomD U6qBqfAr08dfM9+vSv8SZn8lav9m1SMR3ncqXTdGCr2Y7/HoYYhpjUYW46ypwc2cB0ov8R3c GxVTJuDyWremXlMn6sYiLSc559e/Imq/u3tkRDhN73902n1L6tWUhXIOcpY7dz2W3maVJPi/ uWvKm4OCsxMbNvoZPGl/2/C9/N7ykpf/VK45vJ0clJ8udZqhjsmmK5xFQVL14Ofz88z1I7mP 9vMvmZV1t/c+a/FEjok+AW1z/veZGT5+XzXT7e7swuvdOTkPbna1h9TMO9e7aUrvFON3278F vhOt1Z1QFbau7mL8n8uVaU5FhcXyYlr9lYa9ZhrWp9S+MUd+vLm8X8D/0ORlD1QyNopezE2W WVGrxFKckWioxVxUnAgA7YsTrGsDAAA= X-CMS-MailID: 20201026030355epcas1p19fc746c6b362de310863b725c7a1583b X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20201025222140epcas1p28ff3c4dc35d4b524185fe46c98617d8d References: <20201025221735.3062-1-digetx@gmail.com> <20201025221735.3062-51-digetx@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On 10/26/20 7:17 AM, Dmitry Osipenko wrote: > Tegra EMC driver was turned into a regular kernel driver, meaning that it > could be compiled as a loadable kernel module now. Hence EMC clock isn't > guaranteed to be available and clk_get("emc") may return -EPROBE_DEFER. > Let's silence the deferred probe error. > > Acked-by: Chanwoo Choi > Signed-off-by: Dmitry Osipenko > --- > drivers/devfreq/tegra30-devfreq.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c > index f5e74c2ede85..3f732ab53573 100644 > --- a/drivers/devfreq/tegra30-devfreq.c > +++ b/drivers/devfreq/tegra30-devfreq.c > @@ -801,10 +801,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev) > } > > tegra->emc_clock = devm_clk_get(&pdev->dev, "emc"); > - if (IS_ERR(tegra->emc_clock)) { > - dev_err(&pdev->dev, "Failed to get emc clock\n"); > - return PTR_ERR(tegra->emc_clock); > - } > + if (IS_ERR(tegra->emc_clock)) > + return dev_err_probe(&pdev->dev, PTR_ERR(tegra->emc_clock), > + "Failed to get emc clock\n"); > > err = platform_get_irq(pdev, 0); > if (err < 0) > Applied it. Thanks. -- Best Regards, Chanwoo Choi Samsung Electronics 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=-11.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 22ECBC55178 for ; Mon, 26 Oct 2020 03:04:06 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CA6CA207E8 for ; Mon, 26 Oct 2020 03:04:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="B+j+f/mT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA6CA207E8 Authentication-Results: mail.kernel.org; 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Mon, 26 Oct 2020 03:03:55 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20201026030355epsmtrp253dd774871f3ce099a89186dd3876bcc~Ba8TQs7X-3146731467epsmtrp22; Mon, 26 Oct 2020 03:03:55 +0000 (GMT) X-AuditID: b6c32a38-efbff700000028df-0d-5f963c9b2ab1 Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id EF.B6.08745.B9C369F5; Mon, 26 Oct 2020 12:03:55 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20201026030355epsmtip170465f0d872a33a00bf7309ed66a01dc~Ba8S_Ixc51238112381epsmtip1e; Mon, 26 Oct 2020 03:03:55 +0000 (GMT) Subject: Re: [PATCH v6 50/52] PM / devfreq: tegra30: Silence deferred probe error To: Dmitry Osipenko , Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski From: Chanwoo Choi Organization: Samsung Electronics Message-ID: <0bbf89ed-c8ac-86a8-8ed4-b5a887c82656@samsung.com> Date: Mon, 26 Oct 2020 12:17:44 +0900 User-Agent: Mozilla/5.0 (X11; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 10/26/20 7:17 AM, Dmitry Osipenko wrote: > Tegra EMC driver was turned into a regular kernel driver, meaning that it > could be compiled as a loadable kernel module now. Hence EMC clock isn't > guaranteed to be available and clk_get("emc") may return -EPROBE_DEFER. > Let's silence the deferred probe error. > > Acked-by: Chanwoo Choi > Signed-off-by: Dmitry Osipenko > --- > drivers/devfreq/tegra30-devfreq.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c > index f5e74c2ede85..3f732ab53573 100644 > --- a/drivers/devfreq/tegra30-devfreq.c > +++ b/drivers/devfreq/tegra30-devfreq.c > @@ -801,10 +801,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev) > } > > tegra->emc_clock = devm_clk_get(&pdev->dev, "emc"); > - if (IS_ERR(tegra->emc_clock)) { > - dev_err(&pdev->dev, "Failed to get emc clock\n"); > - return PTR_ERR(tegra->emc_clock); > - } > + if (IS_ERR(tegra->emc_clock)) > + return dev_err_probe(&pdev->dev, PTR_ERR(tegra->emc_clock), > + "Failed to get emc clock\n"); > > err = platform_get_irq(pdev, 0); > if (err < 0) > Applied it. Thanks. -- Best Regards, Chanwoo Choi Samsung Electronics _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel