Use helper functions to simplify _DSM related code in acpi_extlog driver.
Also mark initialization data and functions with __init and __initdata
to reduce memory footprint.
Signed-off-by: NJiang Liu <jiang.liu@linux.intel.com>
Tested-by: NChen, Gong <gong.chen@linux.intel.com>
Reviewed-by: NChen, Gong <gong.chen@linux.intel.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>