Re: [PATCH] pinctrl: mediatek: convert to arch_initcall

From: Yingjoe Chen
Date: Fri Dec 18 2015 - 10:06:45 EST


On Fri, 2015-12-18 at 12:21 +0800, Daniel Kurtz wrote:
> Move pinctrl initialization earlier in boot so that real devices can find
> their pctldev without probe deferring.
>
> Signed-off-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx>
> ---
> drivers/pinctrl/mediatek/pinctrl-mt6397.c | 2 +-
> drivers/pinctrl/mediatek/pinctrl-mt8127.c | 2 +-
> drivers/pinctrl/mediatek/pinctrl-mt8135.c | 2 +-
> drivers/pinctrl/mediatek/pinctrl-mt8173.c | 2 +-
> 4 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mt6397.c b/drivers/pinctrl/mediatek/pinctrl-mt6397.c
> index f9751ae..a3780d4 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mt6397.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mt6397.c
> @@ -70,7 +70,7 @@ static int __init mtk_pinctrl_init(void)
> return platform_driver_register(&mtk_pinctrl_driver);
> }
>
> -module_init(mtk_pinctrl_init);
> +arch_initcall(mtk_pinctrl_init);


MT6397 is PMIC, which depends on pwrap on main AP to work. Since
pmic-wrap itself is module_platform_driver, I think it make sense to
keep this one as module_init. Maybe adding a comment to explain why it
is different from others will help.

Joe.C

>
> MODULE_LICENSE("GPL v2");
> MODULE_DESCRIPTION("MediaTek MT6397 Pinctrl Driver");
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8127.c b/drivers/pinctrl/mediatek/pinctrl-mt8127.c
> index b317b0b..98e0beb 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mt8127.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mt8127.c
> @@ -351,7 +351,7 @@ static int __init mtk_pinctrl_init(void)
> return platform_driver_register(&mtk_pinctrl_driver);
> }
>
> -module_init(mtk_pinctrl_init);
> +arch_initcall(mtk_pinctrl_init);
>
> MODULE_LICENSE("GPL v2");
> MODULE_DESCRIPTION("MediaTek MT8127 Pinctrl Driver");
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8135.c b/drivers/pinctrl/mediatek/pinctrl-mt8135.c
> index 404f117..1c153b8 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mt8135.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mt8135.c
> @@ -366,7 +366,7 @@ static int __init mtk_pinctrl_init(void)
> return platform_driver_register(&mtk_pinctrl_driver);
> }
>
> -module_init(mtk_pinctrl_init);
> +arch_initcall(mtk_pinctrl_init);
>
> MODULE_LICENSE("GPL");
> MODULE_DESCRIPTION("MediaTek Pinctrl Driver");
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8173.c b/drivers/pinctrl/mediatek/pinctrl-mt8173.c
> index ad27184..a62514e 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mt8173.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mt8173.c
> @@ -394,7 +394,7 @@ static int __init mtk_pinctrl_init(void)
> return platform_driver_register(&mtk_pinctrl_driver);
> }
>
> -module_init(mtk_pinctrl_init);
> +arch_initcall(mtk_pinctrl_init);
>
> MODULE_LICENSE("GPL v2");
> MODULE_DESCRIPTION("MediaTek Pinctrl Driver");


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