Re: [PATCH 5/5] input: i8042 - add runtime check in x86'si8042_platform_init

[Thomas Gleixner]

On Fri, 2 Jul 2010, feng.tang@xxxxxxxxx wrote:

> From: Feng Tang <feng.tang@xxxxxxxxx>
> 
> Then it will first check x86_platforms's i8042 detection result,
> then go on with normal probe.
> 
> Cc: Dmitry Torokhov <dtor@xxxxxxx>
> Signed-off-by: Feng Tang <feng.tang@xxxxxxxxx>
> ---
>  drivers/input/serio/i8042-x86ia64io.h |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
> index 6168469..2e14fc5 100644
> --- a/drivers/input/serio/i8042-x86ia64io.h
> +++ b/drivers/input/serio/i8042-x86ia64io.h
> @@ -840,6 +840,10 @@ static int __init i8042_platform_init(void)
>  {
>  	int retval;
>  
> +	/* Just return if pre-detection shows no i8042 controller exist */
> +	if (!x86_platform.i8042_detect())
> +		return -ENODEV;

That's going to break IA64 :(

Thanks,

	tglx
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