linux-kernel - [PATCH v3 1/2] cpufreq: tegra124: Remove use of disable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250421-tegra124-cpufreq-v3-1-95eaba968467@gmail.com>
Date: Mon, 21 Apr 2025 12:33:53 -0500
From: Aaron Kling via B4 Relay <devnull+webgeek1234.gmail.com@...nel.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>, 
 Viresh Kumar <viresh.kumar@...aro.org>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-tegra@...r.kernel.org, Aaron Kling <webgeek1234@...il.com>
Subject: [PATCH v3 1/2] cpufreq: tegra124: Remove use of disable_cpufreq

From: Aaron Kling <webgeek1234@...il.com>

Instead, unregister the cpufreq device for this fatal fail case.

Signed-off-by: Aaron Kling <webgeek1234@...il.com>
---
 drivers/cpufreq/tegra124-cpufreq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/tegra124-cpufreq.c b/drivers/cpufreq/tegra124-cpufreq.c
index 514146d98bca2d8aa59980a14dff3487cd8045f6..bc0691e8971f9454def37f489e4a3e244100b9f4 100644
--- a/drivers/cpufreq/tegra124-cpufreq.c
+++ b/drivers/cpufreq/tegra124-cpufreq.c
@@ -168,7 +168,10 @@ static int __maybe_unused tegra124_cpufreq_resume(struct device *dev)
 disable_dfll:
 	clk_disable_unprepare(priv->dfll_clk);
 disable_cpufreq:
-	disable_cpufreq();
+	if (!IS_ERR(priv->cpufreq_dt_pdev)) {
+		platform_device_unregister(priv->cpufreq_dt_pdev);
+		priv->cpufreq_dt_pdev = ERR_PTR(-ENODEV);
+	}

 	return err;
 }

-- 
2.48.1