Re: [PATCH v2 2/5] unicore32: pwm: Use module_platform_driver()

[guanxuetao]

> Some of the boilerplate code can be eliminated by using this macro. The
> driver was previously registered with an arch_initcall(), so technically
> this is no longer the same, but when the driver is moved to the PWM
> framework, deferred probing will take care of any driver probe ordering
> issues.
>
> Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>

Tested-by: Qin Rui <qinrui@xxxxxxxxxxxxxxx>
Acked-by: Guan Xuetao <gxt@xxxxxxxxxxxxxxx>

Thanks & Regards,
Guan Xuetao

> ---
>  arch/unicore32/kernel/pwm.c | 21 +--------------------
>  1 file changed, 1 insertion(+), 20 deletions(-)
>
> diff --git a/arch/unicore32/kernel/pwm.c b/arch/unicore32/kernel/pwm.c
> index 885bbcd..012c54a 100644
> --- a/arch/unicore32/kernel/pwm.c
> +++ b/arch/unicore32/kernel/pwm.c
> @@ -254,25 +254,6 @@ static struct platform_driver puv3_pwm_driver = {
>  	.probe		= puv3_pwm_probe,
>  	.remove		= __devexit_p(pwm_remove),
>  };
> -
> -static int __init pwm_init(void)
> -{
> -	int ret = 0;
> -
> -	ret = platform_driver_register(&puv3_pwm_driver);
> -	if (ret) {
> -		printk(KERN_ERR "failed to register puv3_pwm_driver\n");
> -		return ret;
> -	}
> -
> -	return ret;
> -}
> -arch_initcall(pwm_init);
> -
> -static void __exit pwm_exit(void)
> -{
> -	platform_driver_unregister(&puv3_pwm_driver);
> -}
> -module_exit(pwm_exit);
> +module_platform_driver(puv3_pwm_driver);
>
>  MODULE_LICENSE("GPL v2");
> --
> 1.7.12
>

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