From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1F6FB17A310; Tue, 6 May 2025 07:10:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746515426; cv=none; b=BTO0r6IaE4XSZGmE2gFZc3wmqgdDEK32r7Cw7TQxJu1fwKHLthayKRUBMiIDY8UWwh8TRBZgKTq9vlIFXiiz5OuNIiM/mDcws68K4Tz5H2ukG0tQco6W/sgm/cgHz+I1RNien7GdQdphhWld+LCr/2kgpgI8Qsxqhfy+AgeTtlY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746515426; c=relaxed/simple; bh=yv6EvulzuyOjzbFqHlNYUWQZ40kXK+s59mBrzAxeERw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eh3y1swVaeVOQAQHtC/vgmt6HIm4XI5Tyr3c9hgXxUkclZeOI4m6z2AH8EP9LqNQI3q0tMdnoCCkFKU1I1E/+8SzLzwVvc1UT+ddoEoKq7HAH0con5w7YhpBptvOUzHAWvYiSDzHZApzPhH96gGaKLU2yLyis9T6vTBBXDtoGoA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lqz0uf5J; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lqz0uf5J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1471C4CEE4; Tue, 6 May 2025 07:10:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746515425; bh=yv6EvulzuyOjzbFqHlNYUWQZ40kXK+s59mBrzAxeERw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lqz0uf5JziG2vyN3X5hTRcFbqzFC6daZjAnWixLageNBzBmkKhn1Q6zhj1a0nZ3rc OhHge9jfKP66r1YSkjtHSHZVPVWO2DDE7Zi5qQ9jH4KtxNy7v0Kr1cNYDg1/G57his bxGX6YhpF9bvCvP3GFyyrhic7aYjAVrjDD+ghRgO4XEbHdque0k5lNUIg0ryJkENXG iPXVSJGyo0gDybEWC/umL8vg8fy8OhHbjff/eC13hxcHv6p0nMO2QaTxxsp+SKbcD3 EL8GbZYWRmx/UOppKNWaFg/VJGzCraSSY4GZJB48mv6In+uUldXd/GterkHVGtAyb0 fBp4ZFaw4UQIA== Date: Tue, 6 May 2025 09:10:22 +0200 From: Krzysztof Kozlowski To: Ricardo Neri Cc: x86@kernel.org, Krzysztof Kozlowski , Conor Dooley , Rob Herring , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Michael Kelley , devicetree@vger.kernel.org, Saurabh Sengar , Chris Oo , linux-hyperv@vger.kernel.org, "Kirill A. Shutemov" , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, "Ravi V. Shankar" , Ricardo Neri Subject: Re: [PATCH v3 06/13] dt-bindings: reserved-memory: Wakeup Mailbox for Intel processors Message-ID: <20250506-pompous-meaty-crane-97efce@kuoka> References: <20250503191515.24041-1-ricardo.neri-calderon@linux.intel.com> <20250503191515.24041-7-ricardo.neri-calderon@linux.intel.com> <20250504-original-leopard-of-vigor-5702ef@kuoka> <20250506051610.GC25533@ranerica-svr.sc.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20250506051610.GC25533@ranerica-svr.sc.intel.com> 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@fff000 { > 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. Best regards, Krzysztof