linux-kernel - Re: [update][PATCH 4/4] ACPI / scan: Rework modalias creation when "compatible" is present

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Date:	Fri, 10 Apr 2015 15:29:02 +0300
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Darren Hart <dvhart@...radead.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [update][PATCH 4/4] ACPI / scan: Rework modalias creation when
 "compatible" is present

On Fri, Apr 10, 2015 at 02:34:44PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> Subject: ACPI / scan: Rework modalias creation when "compatible" is present
> 
> Currently, the ACPI modalias creation covers two mutually exclusive
> cases: If the PRP0001 device ID is present in the device's list of
> ACPI/PNP IDs and the "compatible" property is present in _DSD, the
> created modalias will follow the OF rules of modalias creation.
> Otherwise, ACPI rules are used.
> 
> However, that is not really desirable, because the presence of PRP0001
> in the list of device IDs generally does not preclude using other
> ACPI/PNP IDs with that device and those other IDs may be of higher
> priority.  In those cases, the other IDs should take preference over
> PRP0001 and therefore they also should be present in the modalias.
> 
> For this reason, rework the modalias creation for ACPI so that it
> shows both the ACPI-style and OF-style modalias strings if the
> device has a non-empty list of ACPI/PNP IDs (other than PRP0001)
> and a valid "compatible" property at the same time.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Works fine now, thanks!

For the whole series,

Tested-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
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