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Message-ID: <20250507032339.GA27243@ranerica-svr.sc.intel.com>
Date: Tue, 6 May 2025 20:23:39 -0700
From: Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: x86@...nel.org, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh@...nel.org>,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
	Michael Kelley <mhklinux@...look.com>, devicetree@...r.kernel.org,
	Saurabh Sengar <ssengar@...ux.microsoft.com>,
	Chris Oo <cho@...rosoft.com>, linux-hyperv@...r.kernel.org,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Ravi V. Shankar" <ravi.v.shankar@...el.com>,
	Ricardo Neri <ricardo.neri@...el.com>
Subject: Re: [PATCH v3 06/13] dt-bindings: reserved-memory: Wakeup Mailbox
 for Intel processors

On Tue, May 06, 2025 at 09:10:22AM +0200, Krzysztof Kozlowski wrote:
> On Mon, May 05, 2025 at 10:16:10PM GMT, Ricardo Neri wrote:
> > > If this is a device, then compatibles specific to devices. You do not
> > > get different rules than all other bindings... or this does not have to
> > > be binding at all. Why standard reserved-memory does not work for here?
> > > 
> > > Why do you need compatible in the first place?
> > 
> > Are you suggesting something like this?
> > 
> > reserved-memory {
> > 	# address-cells = <2>;
> > 	# size-cells = <1>;
> > 
> > 	wakeup_mailbox: wakeupmb@...000 {
> > 		reg = < 0x0 0xfff000 0x1000>
> > 	}
> > 
> > and then reference to the reserved memory using the wakeup_mailbox
> > phandle?
> 
> Yes just like every other, typical reserved memory block.

Thanks! I will take this approach and drop this patch.

BR,
Ricardo 

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