From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 30A95C77B61 for ; Mon, 10 Apr 2023 14:54:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=9+uOJWRfOOVtlTBySmg32nz3qSkxlHDeOSpYS+o/RlE=; b=vc8WEAcTSo1j5npX1oD6VqomIA lZ3v96xpgJR2NKiEzjth7DrRrkCNFpX+VQs+kyNhlZyyXI61xo3KVmozOOrTswuXScMSISn64xVPJ Jn2HCSXmfjXX66BtM1GF3C7JeqG1xDcrrSKWmVdyjKvfRRE91QT+yd8XcETKmRn03F41Z0J836Mw3 wWVoKuAgUubvUYcN0t5N+uJIoOo8SeIaDj36WwxprTRVWMBNbKRY3BjLXisUQW+T/fG8Ykr73hRkn dNLnUIHY+SKUuElHzE2rSoNbK3nJZklnFhmfTZXdj8WrQAW6LDpgndKHIVdp1v3m9aSCWHTMbOw6o vZmVeWlQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1plsuQ-00FP3X-2d; Mon, 10 Apr 2023 14:54:18 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1plsuN-00FP2G-26 for linux-mediatek@lists.infradead.org; Mon, 10 Apr 2023 14:54:16 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D1FE4610A1; Mon, 10 Apr 2023 14:54:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B92D9C433EF; Mon, 10 Apr 2023 14:54:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1681138454; bh=9+uOJWRfOOVtlTBySmg32nz3qSkxlHDeOSpYS+o/RlE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ssAqJLGeCv4udxLGiYHv6O38FhSmjbqX2wp9b/hgpG2OED4HO/QFSXcN7Z2dUrNq+ eI+Ff5vJYt05iDKQToytkFVNzf0IqjYHDz0IXgMTJffGfKbU6mvRuKXcO2RzblWn+k aKcoF4an4eHpQEVNUsdU4fCQo3ubojUDJ5rHL9GBGelkJRW2IJX/pK4u0CWKlfbr8T UIhaxAsOtFMxz7+sip5msZdAf9PMqkKj5SPxuokS1kwM1dOBPILyofwLFpO/LUAjGn oy4oM4CdTOLZ5v5PQV4X+MlN1WDFIp3Dn/aEy4kNRgDcFUX3cWZL/Yd132KaCrWMgr Pc8EIbkmSVvgA== Date: Mon, 10 Apr 2023 16:54:10 +0200 From: Lorenzo Bianconi To: Rob Herring Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, kuba@kernel.org, matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org, nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, lorenzo.bianconi@redhat.com, daniel@makrotopia.org, krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org Subject: Re: [PATCH v2 net-next 00/10] mtk: wed: move cpuboot, ilm and dlm in dedicated dts nodes Message-ID: References: <20230406152511.GA3117403-robh@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Mbdi1ZojGS1vdtOH" Content-Disposition: inline In-Reply-To: <20230406152511.GA3117403-robh@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230410_075415_749173_C5F9EDEC X-CRM114-Status: GOOD ( 14.87 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org --Mbdi1ZojGS1vdtOH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > On Fri, Mar 31, 2023 at 03:12:36PM +0200, Lorenzo Bianconi wrote: > > Since cpuboot, ilm and dlm memory region are not part of MT7986 SoC RAM, >=20 > That's not really a requirement. Is that the only "problem" here? I would say this series allows to be closer to a standard binding and at the same time helps with uboot compatibility. >=20 > Certainly going from a standard binding to a custom phandle reference is= =20 > not an improvement. >=20 > > move them in dedicated mt7986a syscon dts nodes. >=20 > What makes them a syscon? Are they memory or h/w registers? Can't be=20 > both... >=20 > Perhaps mmio-sram? ilm and dlm do not have h/w registers afaik, they are chip memory used to store firmware information, syscon is just the closest binding I found. I did not find mmio-sram, my fault. Regards, Lorenzo >=20 > > At the same time we keep backward-compatibility with older dts version = where > > cpuboot, ilm and dlm were defined as reserved-memory child nodes. >=20 > Doesn't really seem big enough issue to justify carrying this. >=20 > Rob --Mbdi1ZojGS1vdtOH Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCZDQjEgAKCRA6cBh0uS2t rNnEAP98v7/BKa/Fd5y1OymB9T4LAXXAgNEIA7/LExkl8VzmzQD+L0fjplWxRgsc nyGfpakLxtEGDs0uoT1Qtz4Fd7IzAAI= =ri5+ -----END PGP SIGNATURE----- --Mbdi1ZojGS1vdtOH--