On Mon, Jan 28, 2013 at 02:01:14PM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
> 
> Currently, the ACPI namespace scanning code creates platform device
> objects for ACPI device nodes whose IDs match the contents of the
> acpi_platform_device_ids[] table.  However, this adds a superfluous
> special case into acpi_bus_device_attach() and makes it more
> difficult to follow than it has to be.  It also will make it more
> difficult to implement removal code for those platform device objects
> in the future.
> 
> For the above reasons, introduce a struct acpi_scan_handler object
> for creating platform devices and move the code related to that from
> acpi_bus_device_attach() to the .attach() callback of that object.
> Also move the acpi_platform_device_ids[] table to acpi_platform.c.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
I've tested this with Haswell machine and once you fix the problem pointed
out by Yasuaki Ishimat (returning always when ACPI_PLATFORM_CLK is set) the
platform device creation works well. This is a nice cleanup and localizes
the hard coded platform device table in one file making maintenance bit
easier.

Feel free to add:

Reviewed-by: Mika Westerberg <mika.westerb...@linux.intel.com>
Tested-by: Mika Westerberg <mika.westerb...@linux.intel.com>
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