linux-kernel - Re: [PATCH v3 3/4] dt-bindings: ptp: Add amazon,vmclock

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Message-ID: <104b744f-b411-46d0-bdc5-bada83743f4e@kernel.org>
Date: Wed, 3 Dec 2025 14:46:20 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: "Chalios, Babis" <bchalios@...zon.es>, "robh@...nel.org"
 <robh@...nel.org>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
 "conor+dt@...nel.org" <conor+dt@...nel.org>,
 "richardcochran@...il.com" <richardcochran@...il.com>,
 "dwmw2@...radead.org" <dwmw2@...radead.org>,
 "andrew+netdev@...n.ch" <andrew+netdev@...n.ch>,
 "davem@...emloft.net" <davem@...emloft.net>,
 "edumazet@...gle.com" <edumazet@...gle.com>,
 "kuba@...nel.org" <kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>
Cc: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "Graf (AWS), Alexander" <graf@...zon.de>,
 "mzxreary@...inter.de" <mzxreary@...inter.de>,
 "Cali, Marco" <xmarcalx@...zon.co.uk>, "Woodhouse, David" <dwmw@...zon.co.uk>
Subject: Re: [PATCH v3 3/4] dt-bindings: ptp: Add amazon,vmclock

On 03/12/2025 13:36, Chalios, Babis wrote:
> From: David Woodhouse <dwmw@...zon.co.uk>
> 
> The vmclock device provides a PTP clock source and precise timekeeping
> across live migration and snapshot/restore operations.
> 
> The binding has a required memory region containing the vmclock_abi
> structure and an optional interrupt for clock disruption notifications.
> 
> The full specification is at https://david.woodhou.se/VMClock.pdf
> 
> Signed-off-by: David Woodhouse <dwmw@...zon.co.uk>
> Signed-off-by: Babis Chalios <bchalios@...zon.es>


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>

Best regards,
Krzysztof