Re: [PATCH 2/2] ACPI / scan: Avoid enumerating devices more than once

[Mika Westerberg]

On Mon, Apr 17, 2017 at 01:20:48AM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> 
> acpi_bus_attach() does not check the visited flag for devices that
> have been enumerated already and some of them may be enumerated
> for multiple times as a result, because some callers of
> acpi_bus_scan() don't check the visited flag either.
> 
> For this reason, modify acpi_bus_attach() to check the visited flag
> and avoid enumerating devices that have already been enumerated.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>