[PATCH v2 1/2] cpufreq: tegra124: Remove use of disable_cpufreq

Aaron Kling via B4 Relay posted 2 patches 9 months, 3 weeks ago
There is a newer version of this series
[PATCH v2 1/2] cpufreq: tegra124: Remove use of disable_cpufreq
Posted by Aaron Kling via B4 Relay 9 months, 3 weeks ago
From: Aaron Kling <webgeek1234@gmail.com>

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

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
 drivers/cpufreq/tegra124-cpufreq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/tegra124-cpufreq.c b/drivers/cpufreq/tegra124-cpufreq.c
index 514146d98bca2d8aa59980a14dff3487cd8045f6..dc83b1631b13ec428f3b6bbea89462448a62adb4 100644
--- a/drivers/cpufreq/tegra124-cpufreq.c
+++ b/drivers/cpufreq/tegra124-cpufreq.c
@@ -168,7 +168,8 @@ 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);
 
 	return err;
 }

-- 
2.48.1
Re: [PATCH v2 1/2] cpufreq: tegra124: Remove use of disable_cpufreq
Posted by Viresh Kumar 9 months, 3 weeks ago
On 21-04-25, 03:13, Aaron Kling via B4 Relay wrote:
> From: Aaron Kling <webgeek1234@gmail.com>
> 
> Instead, unregister the cpufreq device for this fatal fail case.
> 
> Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
> ---
>  drivers/cpufreq/tegra124-cpufreq.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/tegra124-cpufreq.c b/drivers/cpufreq/tegra124-cpufreq.c
> index 514146d98bca2d8aa59980a14dff3487cd8045f6..dc83b1631b13ec428f3b6bbea89462448a62adb4 100644
> --- a/drivers/cpufreq/tegra124-cpufreq.c
> +++ b/drivers/cpufreq/tegra124-cpufreq.c
> @@ -168,7 +168,8 @@ 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);

What if someone tries to remove the module after this ? Won't we try
this again ? Shouldn't we set the cpufreq_dt_pdev to some sort of
error to skip doing that ?

-- 
viresh