From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD9021E5B91; Tue, 25 Mar 2025 12:35:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742906142; cv=none; b=juVkP0bZfKK1bPgEz3GRCO2ZHgNsQ9cBABjcIkcRBxucdOU4Nudc9TW89LHhX+5hbakfW+XOuwg4ULN756oWl7MfEhLcCfNjE6coXJmGFzpTFD7n/7s+s5VMtP94fOp01iIh6sZBVg6RknTxw9v5phTMxenRokbnRM/bJThnIzs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742906142; c=relaxed/simple; bh=1n+ejCyj9qm7lmo7gP6TkF+nw8Kb8PCKZN8kJqw0byI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pkOKSXshwk91u/FlipOZIiWDEtIX5sjoThpKLGIVTuXXq+rTIUSpiJ8nCzQJpAIioo1LVI83gj4l2FTaNOpa8P2uJdrGT1EYwjbOmzKGMck6xdgBGTPCd5Xpe0RBzX10wbIHTvn4Rwxl7jJX4srceNn7vWRgY1j4D0oDzGOUK14= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=uPepClee; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="uPepClee" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D7B4C4CEE4; Tue, 25 Mar 2025 12:35:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1742906142; bh=1n+ejCyj9qm7lmo7gP6TkF+nw8Kb8PCKZN8kJqw0byI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uPepCleeNHkYqzU/0NKc4oCYKDIcoTuNf54D0U+Yv+hOS6fvzj+ioDEw2YJdgZmTu Yrwj/GdLMyLA5B4zZNH4ifuSSt43hwy3KwHdhBhGu/1PC9vs+UDDHoW7YC6QBqzsoa 2ozg+dwxLIKzxHsdjmJ0rhxrxATUCjg6nKnpmL70= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marco Felsch , Peng Fan , Shawn Guo , Sasha Levin Subject: [PATCH 6.6 07/77] soc: imx8m: Unregister cpufreq and soc dev in cleanup path Date: Tue, 25 Mar 2025 08:22:02 -0400 Message-ID: <20250325122144.498603904@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250325122144.259256924@linuxfoundation.org> References: <20250325122144.259256924@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Peng Fan [ Upstream commit cf7139aac463880cbd5c5e999c118fbe91631411 ] Unregister the cpufreq device and soc device when resource unwinding, otherwise there will be warning when do removing test: sysfs: cannot create duplicate filename '/devices/platform/imx-cpufreq-dt' CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.13.0-rc1-next-20241204 Hardware name: NXP i.MX8MPlus EVK board (DT) Fixes: 9cc832d37799 ("soc: imx8m: Probe the SoC driver as platform driver") Cc: Marco Felsch Signed-off-by: Peng Fan Reviewed-by: Marco Felsch Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- drivers/soc/imx/soc-imx8m.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/drivers/soc/imx/soc-imx8m.c b/drivers/soc/imx/soc-imx8m.c index e66c73cc02871..064188a0870b0 100644 --- a/drivers/soc/imx/soc-imx8m.c +++ b/drivers/soc/imx/soc-imx8m.c @@ -192,9 +192,20 @@ static __maybe_unused const struct of_device_id imx8_soc_match[] = { devm_kasprintf((dev), GFP_KERNEL, "%d.%d", ((soc_rev) >> 4) & 0xf, (soc_rev) & 0xf) : \ "unknown" +static void imx8m_unregister_soc(void *data) +{ + soc_device_unregister(data); +} + +static void imx8m_unregister_cpufreq(void *data) +{ + platform_device_unregister(data); +} + static int imx8m_soc_probe(struct platform_device *pdev) { struct soc_device_attribute *soc_dev_attr; + struct platform_device *cpufreq_dev; const struct imx8_soc_data *data; struct device *dev = &pdev->dev; const struct of_device_id *id; @@ -239,11 +250,22 @@ static int imx8m_soc_probe(struct platform_device *pdev) if (IS_ERR(soc_dev)) return PTR_ERR(soc_dev); + ret = devm_add_action(dev, imx8m_unregister_soc, soc_dev); + if (ret) + return ret; + pr_info("SoC: %s revision %s\n", soc_dev_attr->soc_id, soc_dev_attr->revision); - if (IS_ENABLED(CONFIG_ARM_IMX_CPUFREQ_DT)) - platform_device_register_simple("imx-cpufreq-dt", -1, NULL, 0); + if (IS_ENABLED(CONFIG_ARM_IMX_CPUFREQ_DT)) { + cpufreq_dev = platform_device_register_simple("imx-cpufreq-dt", -1, NULL, 0); + if (IS_ERR(cpufreq_dev)) + return dev_err_probe(dev, PTR_ERR(cpufreq_dev), + "Failed to register imx-cpufreq-dev device\n"); + ret = devm_add_action(dev, imx8m_unregister_cpufreq, cpufreq_dev); + if (ret) + return ret; + } return 0; } -- 2.39.5