Re: [PATCH] cpufreq: bmips-cpufreq: Use module_init and add module_exit

From: Viresh Kumar
Date: Tue Aug 30 2022 - 01:29:30 EST


On 26-08-22, 10:18, Zhang Jianhua wrote:
> - Use module_init instead of device_initcall.
> - Add a function for module_exit to unregister driver.
>
> Signed-off-by: Zhang Jianhua <chris.zjh@xxxxxxxxxx>
> ---
> drivers/cpufreq/bmips-cpufreq.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/cpufreq/bmips-cpufreq.c b/drivers/cpufreq/bmips-cpufreq.c
> index f7c23fa468f0..21c0417c95e1 100644
> --- a/drivers/cpufreq/bmips-cpufreq.c
> +++ b/drivers/cpufreq/bmips-cpufreq.c
> @@ -156,7 +156,7 @@ static struct cpufreq_driver bmips_cpufreq_driver = {
> .name = BMIPS_CPUFREQ_PREFIX,
> };
>
> -static int __init bmips_cpufreq_probe(void)
> +static int __init bmips_cpufreq_driver_init(void)
> {
> struct cpufreq_compat *cc;
> struct device_node *np;
> @@ -176,7 +176,13 @@ static int __init bmips_cpufreq_probe(void)
>
> return cpufreq_register_driver(&bmips_cpufreq_driver);
> }
> -device_initcall(bmips_cpufreq_probe);
> +module_init(bmips_cpufreq_driver_init);
> +
> +static void __exit bmips_cpufreq_driver_exit(void)
> +{
> + cpufreq_unregister_driver(&bmips_cpufreq_driver);
> +}
> +module_exit(bmips_cpufreq_driver_exit)

Semicolon ? Did you even compile this ? :)

>
> MODULE_AUTHOR("Markus Mayer <mmayer@xxxxxxxxxxxx>");
> MODULE_DESCRIPTION("CPUfreq driver for Broadcom BMIPS SoCs");
> --
> 2.31.0

--
viresh