Re: [PATCH v2 1/4] ACPI / property: Don't evaluate objects for devices w/o handle

[Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>]

On Wed, Jun 28, 2017 at 07:20:19PM +0200, Lukas Wunner wrote:
> Fabricated devices such as LNXPWRBN lack a handle, causing evaluation
> of _CCA and _DSD to always fail with AE_BAD_PARAMETER.  While that is
> merely a (negligible) waste of processing power, evaluating a _DSM for
> them (such as Apple's device properties _DSM which we're about to add)
> results in an ugly error:
> 
>     ACPI: \: failed to evaluate _DSM (0x1001)
> 
> Avoid by not evaluating _DSD and the upcoming _DSM for devices without
> handle.
> 
> Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>

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