linux-kernel - Re: [PATCH v1 0/4] virt: vmgenid: Add devicetree bindings support

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Date: Tue, 19 Mar 2024 16:24:44 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Sudan Landge <sudanl@...zon.com>, tytso@....edu, Jason@...c4.com,
 robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 sathyanarayanan.kuppuswamy@...ux.intel.com, thomas.lendacky@....com,
 dan.j.williams@...el.com, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: graf@...zon.de, dwmw@...zon.co.uk, bchalios@...zon.es,
 xmarcalx@...zon.co.uk
Subject: Re: [PATCH v1 0/4] virt: vmgenid: Add devicetree bindings support

On 19/03/2024 15:32, Sudan Landge wrote:
> This small series of patches aims to add devicetree bindings support for
> the Virtual Machine Generation ID (vmgenid) driver.
> 
> Virtual Machine Generation ID driver was introduced in commit af6b54e2b5ba
> ("virt: vmgenid: notify RNG of VM fork and supply generation ID") as an
> ACPI only device.
> We would like to extend vmgenid to support devicetree bindings because:
> 1. A device should not be defined as an ACPI or DT only device.

Virtual stuff is not a device, so your first assumption or rationale is
not correct.

Virtual stuff can be ACPI only, because DT is not for Virtual stuff.


Best regards,
Krzysztof