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. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
