linux-kernel - Re: [PATCH V13 09/10] vfio, platform: add support for ACPI while detecting the reset driver

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Message-ID: <56AF84F4.2080809@codeaurora.org>
Date:	Mon, 1 Feb 2016 11:16:52 -0500
From:	Sinan Kaya <okaya@...eaurora.org>
To:	Eric Auger <eric.auger@...aro.org>, dmaengine@...r.kernel.org,
	marc.zyngier@....com, mark.rutland@....com, timur@...eaurora.org,
	devicetree@...r.kernel.org, cov@...eaurora.org,
	vinod.koul@...el.com, jcm@...hat.com
Cc:	shankerd@...eaurora.org, vikrams@...eaurora.org,
	agross@...eaurora.org, arnd@...db.de,
	linux-arm-msm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Baptiste Reynal <b.reynal@...tualopensystems.com>
Subject: Re: [PATCH V13 09/10] vfio, platform: add support for ACPI while
 detecting the reset driver

On 2/1/2016 11:08 AM, Eric Auger wrote:
>> For ACPI systems, ACPI HID needs to match and compat in the registered
>> > reset
>> > driver needs to match for ACPI reset driver loading to work.
> Don't really get the sentence. For ACPI systems, a registered reset
> function is selected if its associated ACPI HID matches the device ACPI HID?

Old commit message. I did an internal review before posting the patch. The first
version of the patch was a hack. I simplified the code but forgot to update the 
commit message.

Now, the rule is simple.

- ACPI HID needs match for ACPI systems
- DT compat needs to match for OF systems

as expected. I'll rephrase for the next version.

>> > 
>> > For OF based systems, DT compatible string needs to match and compat in the
>> > registered reset driver needs to match for DT reset driver loading to work.
> same here
> 
> I added Baptiste who is vfio platform driver sub-system maintainer.

Thanks, we should ask Baptiste to get his email into the Maintainer file list.

> 
> On my side I tested with of amd xgbe and I don't observe any regression.
> 
> Best Regards

Can I add your tested by?

-- 
Sinan Kaya
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project