Re: [PATCH] alsa: use subsys_initcall for sound core instead of module_init

From: Takashi Iwai
Date: Wed Jan 13 2010 - 01:48:18 EST


At Tue, 12 Jan 2010 20:20:39 -0200,
Thadeu Lima de Souza Cascardo wrote:
>
> This is needed for built-in drivers which are built before the sound directory,
> like thinkpad_acpi.
>
> Otherwise, registering a card fails.

Oh well, this kind of problem hits again.

I don't remember why subsys_init() wasn't taken before... Maybe some
dependency between sound and V4L or so. But, it's worth to check again.

I'll apply this after some testing.


thanks,

Takashi

>
> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxxx>
> ---
> sound/core/sound.c | 4 ++--
> sound/sound_core.c | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/sound/core/sound.c b/sound/core/sound.c
> index 7872a02..563d196 100644
> --- a/sound/core/sound.c
> +++ b/sound/core/sound.c
> @@ -468,5 +468,5 @@ static void __exit alsa_sound_exit(void)
> unregister_chrdev(major, "alsa");
> }
>
> -module_init(alsa_sound_init)
> -module_exit(alsa_sound_exit)
> +subsys_initcall(alsa_sound_init);
> +module_exit(alsa_sound_exit);
> diff --git a/sound/sound_core.c b/sound/sound_core.c
> index dbca7c9..7c2d677 100644
> --- a/sound/sound_core.c
> +++ b/sound/sound_core.c
> @@ -61,7 +61,7 @@ static void __exit cleanup_soundcore(void)
> class_destroy(sound_class);
> }
>
> -module_init(init_soundcore);
> +subsys_initcall(init_soundcore);
> module_exit(cleanup_soundcore);
>
>
> --
> 1.6.6
>
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