Re: [PATCH 3/8] ideapad: make sure we bind on the correct device

[Ike Panhc]

On 08/18/2010 09:27 PM, Matthew Garrett wrote:
> On Wed, Aug 18, 2010 at 04:37:33PM +0800, Ike Panhc wrote:
>> By reading from method _STA and _CFG to make sure we bind on the correct
>> VPC2004 device.
> 
> I know some other drivers check _STA themselves, but it's unnecessary - 
> if _STA didn't evaluate appropriately, the bus driver won't create the 
> pnp object and there won't be anything for you to bind to in the first 
> place.
> 
yes, you are right. when add, acpi_bus will check for it and tell if the
device exist or not from its bits.
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