Messages in this thread | | | Date | Thu, 19 Aug 2010 10:51:34 +0800 | From | Ike Panhc <> | Subject | Re: [PATCH 3/8] ideapad: make sure we bind on the correct device |
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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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