Re: [PATCH] mfd: syscon: Use module_platform_driver()
From: Lee Jones
Date: Mon Jun 16 2014 - 05:14:33 EST
On Mon, 09 Jun 2014, Kefeng Wang wrote:
> Convert to module_platform_drive() to eliminate boilerplate code.
>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
> ---
> drivers/mfd/syscon.c | 12 +-----------
> 1 files changed, 1 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
> index ca15878..6c2c874 100644
> --- a/drivers/mfd/syscon.c
> +++ b/drivers/mfd/syscon.c
> @@ -173,17 +173,7 @@ static struct platform_driver syscon_driver = {
> .id_table = syscon_ids,
> };
>
> -static int __init syscon_init(void)
> -{
> - return platform_driver_register(&syscon_driver);
> -}
> -postcore_initcall(syscon_init);
> -
> -static void __exit syscon_exit(void)
> -{
> - platform_driver_unregister(&syscon_driver);
> -}
> -module_exit(syscon_exit);
> +module_platform_driver(syscon_driver)
You have changed the initialisation semantics of quite an important
driver here. Initialising with postcore_initcall() is not so boiler
plate and swapping it out for a module_init() as you're doing with
this patch will probably break some systems.
> MODULE_AUTHOR("Dong Aisheng <dong.aisheng@xxxxxxxxxx>");
> MODULE_DESCRIPTION("System Control driver");
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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