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 4B6643AA1BB; Tue, 11 Nov 2025 17:39:41 +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=1762882781; cv=none; b=Qk8Et+tFJ2VA72xfL+2JOHKzckTG+ID0lyWQdyUjOwqCRm2WSGI5datbDxizakYs87WNEz2Ne1EOXp5r7btfsls+Jtk+oSKMo1+idZ7Dwksv2AGfB/Yfo0+1o9SyrD9wPeCzjrZqBiKP2QEFtY/SUywEq+lmpphLLBoXW2gk8Yw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762882781; c=relaxed/simple; bh=sseQu7nEnCDYeW52KYqIspyMDbjPaOYXv8zmuvR97Oc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=I6Q13ptUtU4AasJY6oHXlHPJYqQtJhrMESSuw94ddfCRDbhQWvh7wUdab1c2e9gyii0c/1iomBGuDN2BztWHxwhT20s+dsV8dUE6Q7Ewm3ocPNe3LulLvuxE8RXXIfGYDhr81/wrjexxn4UzewCeTqF72Mx34uXqQX/o6HukygU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j3X81y3t; 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="j3X81y3t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CBED7C4AF09; Tue, 11 Nov 2025 17:39:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762882781; bh=sseQu7nEnCDYeW52KYqIspyMDbjPaOYXv8zmuvR97Oc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=j3X81y3t3PaO98JTZFp4iznbfvlF++ownPmqswSJk4zRn457qMOpFJbmDRUtIL6NK 2kFMgd/vm2S+qwDNe2cw3xN1ysTcAy2YewYBcvh5llUJyFAHEBeXVpi4n5uU54jzLG 2hs6rb8Wpfhdv4uWIUh5A8QCKFYbYM+JsJVuikzTa2B67xzkAj+BW2AE6tk/NhoLiE MGgzDf9FdNGo2zizIl0T9345ljSVQbx3j+ubtSsk5jnvtoS/Yyds//K6c1ohU+mWts xq2LhorxwXt13x8u+sDQqQyezmEuBNWKrb2d/Lzc2yw6x6La5vghfyLxvhGFgpUqSj ldXqeobgZaslQ== Date: Tue, 11 Nov 2025 17:39:36 +0000 From: Conor Dooley To: Krzysztof Kozlowski Cc: Horatiu Vultur , vkoul@kernel.org, kishon@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] dt-bindings: phy: lan966x: Add optional microchip,sx-tx/rx-inverted Message-ID: <20251111-ploy-dispersal-164ae403df4d@spud> References: <20251110110536.2596490-1-horatiu.vultur@microchip.com> <20251110110536.2596490-3-horatiu.vultur@microchip.com> <20251110-unwound-award-a11d69b9da4f@spud> <20251111095831.lp4kvdfcahtwgrqc@DEN-DL-M31836.microchip.com> <58b0d712-48a4-4490-a63f-404716844557@kernel.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="5voBWClPfG+Dchvf" Content-Disposition: inline In-Reply-To: <58b0d712-48a4-4490-a63f-404716844557@kernel.org> --5voBWClPfG+Dchvf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Nov 11, 2025 at 11:06:02AM +0100, Krzysztof Kozlowski wrote: > On 11/11/2025 10:58, Horatiu Vultur wrote: > > The 11/10/2025 18:43, Conor Dooley wrote: > >=20 > > Hi Conor, > >=20 > >> On Mon, Nov 10, 2025 at 12:05:36PM +0100, Horatiu Vultur wrote: > >>> This allows to invert the N and P signals of the RX and TX Serdes > >>> signals. This option allows the board designer to trace their signals > >>> easier on the boards. > >> > >> Why can't this just be done in software, debugfs or something like tha= t? > >> Maybe it's just your description is poor, but sounds like the intention > >> here is to just switch things around for debug purposes. > >=20 > > I don't think it should be done through debugfs. As this describes the > > board layout and I don't think someone will want to change it at > > runtime to see how things behave. So maybe the description is poor. >=20 > You said it is purely for hardware designer to trace signals, so sorry, > but that's not DTs purpose. If it is not purely some sort of debug helper, then please explain better in your commit message. pw-bot: changes-requested --5voBWClPfG+Dchvf Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaRN02AAKCRB4tDGHoIJi 0rtuAP4stxlbERYZwunofMFT0CVT0k9d3WxbTURjHCnGuuIivAEAgt0wZFJVzyEE m31MhjAt4FgLLZa2KMXLuaQ/YLV9nA0= =HEIc -----END PGP SIGNATURE----- --5voBWClPfG+Dchvf--