pci-acpi: add flag to indicate query had been done
Current pci-acpi implementation checks osc_data->support_stat to see if control bits had been already queried. It is not good from the viewpoint of easy understanding. So this patch adds new 'is_queried' flag to indicate query had been done. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Acked-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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