From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C396B606C5CD for ; Tue, 3 Nov 2026 11:00:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=n4V8olSL; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=YRQ7geCx 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-Unsubscribe-Post:List-Owner; bh=5pKcFRXYhUfRt/NFgpZQiyJq40B9sdnA84VTi8AATL4=; b=n4V8olSLFqaP2G/cBLMSCmIiGT DhrbhKk5/ogoub31Kb6ZsDX2Eo+gcYVE2MIjoHfsUrk84sT97gJoMrA1ViW6Ins8/qNY7Jlf03GEl I3C2/OF9Voxl2bjV+bKD5ROAWI/LcUaoJWtW2+OC0PN8GpvPiPxoAck3xC3aK3sk6yhTrceKizz45 iRj3ooI/N4K1+4d/tvXyEEo7DC0M+8i/oKk6oDKoIDW/0oiCRQ8bd9jBIHrmZjE1PAtt3KMCHOjOD a9LnCBaBscyKCLixw7Ecwy021CWhuDYIWgkN/7j7WiD7Uj95HtIcjn0h8M9MUHrAPTxG+2iBwqO48 PPwwBwBA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOCFC-0000000278Z-2rda; Tue, 03 Nov 2026 10:59:58 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOCFA-0000000277h-2jQI; Tue, 03 Nov 2026 10:59:57 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 5E3D143A82; Tue, 3 Nov 2026 10:59:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 456CD1F000C1; Tue, 3 Nov 2026 10:59:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793703595; bh=5pKcFRXYhUfRt/NFgpZQiyJq40B9sdnA84VTi8AATL4=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=YRQ7geCx/qjrzWWDNYRgg6axSKgU5uvHghVLI81Zpn+1oDAhtH6BXWRZ37uqV4pi0 71M5+uhW+qULQlK6pZolWG9o7RpQFg1sPKE9fr8Og1B/p+UOrbEDiHnIvazdTiy62U 0IG3igKkHO0AJHcjPccEOkDbQR9AaS3Sj4E+4C7HMutrmM8WwyZ1Nr3lzaMupa6Wfm +4riYs4vvmV7kdBlozp13+EuwLkb9x8ATTTbT0aiMCaYkzOBWE++TXkkV7tpqP6iFt V+2TNl32cMMO2SSbtgLv8D+ahHTaPJ/67imKLF6+srU+qQyncAt6z8YnQYQIjF9yG8 6oZ2tGLfaCZwg== Date: Tue, 3 Nov 2026 11:59:52 +0100 From: Krzysztof Kozlowski To: Caleb James DeLisle Cc: netdev@vger.kernel.org, andrew@lunn.ch, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, chester.a.unal@arinc9.com, daniel@makrotopia.org, linux@armlinux.org.uk, arinc.unal@arinc9.com, Landen.Chao@mediatek.com, dqfext@gmail.com, sean.wang@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, naseefkm@gmail.com, b.larsson@gmx.com Subject: Re: [PATCH v4 2/7] dt-bindings: net: dsa: mediatek,mt7530: describe 'passthrough' hierarchy Message-ID: <20261103-magic-ingenious-buzzard-8bfbc5@quoll> References: <20261029184202.1859843-1-cjd@cjdns.fr> <20261029184202.1859843-3-cjd@cjdns.fr> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20261029184202.1859843-3-cjd@cjdns.fr> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-15.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Thu, Oct 29, 2026 at 06:41:57PM +0000, Caleb James DeLisle wrote: > Due to hardware limitations, full switch hierarchies are not supported > with DSA based on the mt7530 DSA tag, however it does support a simplified > hierarchy in which one or more switches act as passthrough conduits with > only one CPU port and one DSA port active. Document this capability. > > Signed-off-by: Caleb James DeLisle > --- > .../devicetree/bindings/net/dsa/mediatek,mt7530.yaml | 5 +++++ > 1 file changed, 5 insertions(+) Acked-by: Krzysztof Kozlowski Best regards, Krzysztof