Re: [PATCH] clk: s2mps11: initialize driver via module_platform_driver

From: Marek Szyprowski
Date: Tue Sep 22 2020 - 04:04:36 EST


Hi Krzysztof,

On 21.09.2020 22:35, Krzysztof Kozlowski wrote:
> The driver was using subsys_initcall() because in old times deferred
> probe was not supported everywhere and specific ordering was needed.
> Since probe deferral works fine and specific ordering is discouraged
> (hides dependencies between drivers and couples their boot order), the
> driver can be converted to regular module_platform_driver.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> ---
> drivers/clk/clk-s2mps11.c | 13 +------------
> 1 file changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
> index 2ce370c804aa..aa21371f9104 100644
> --- a/drivers/clk/clk-s2mps11.c
> +++ b/drivers/clk/clk-s2mps11.c
> @@ -267,18 +267,7 @@ static struct platform_driver s2mps11_clk_driver = {
> .remove = s2mps11_clk_remove,
> .id_table = s2mps11_clk_id,
> };
> -
> -static int __init s2mps11_clk_init(void)
> -{
> - return platform_driver_register(&s2mps11_clk_driver);
> -}
> -subsys_initcall(s2mps11_clk_init);
> -
> -static void __exit s2mps11_clk_cleanup(void)
> -{
> - platform_driver_unregister(&s2mps11_clk_driver);
> -}
> -module_exit(s2mps11_clk_cleanup);
> +module_platform_driver(s2mps11_clk_driver);
>
> MODULE_DESCRIPTION("S2MPS11 Clock Driver");
> MODULE_AUTHOR("Yadwinder Singh Brar <yadi.brar@xxxxxxxxxxx>");

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland