From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (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 F24D33B2FCA; Sat, 17 Oct 2026 17:39:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792258790; cv=none; b=ecK5aY0YMuoLRGEMekn2EzpwwbLHv2OJNYnP2Pqwaxzz7JGocDEMKL7wa/2VFNXM/CpQbi87CFml8qP9Fhl/s5EBY8iTLuZ7zaboVaGTSM8SDukZFXMforGV1CDQcCnqtWVRB+PWQQlVKIIzpDdbRL4w1dYIFQtbRpAUs2rToJc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792258790; c=relaxed/simple; bh=BKW9ieMLcQJ9Ko3+eSZK8W4qLz2GntiOycxJB1eDVUw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YDZnuyrAgvAe/ZQ4mddLvyOR01udMlKKPn940uaSwWR83jIWYIr8C2ZPmhpsIxMLccx7jBtzKXyrUxDc77nzEbc54OAfCWBlqbnOSo61xDhQzQNFP2TcE54da7sFUwrqJUN58XXkuGTrNMKOcMOyASKlUlB/6/A5/+ZSATvasC0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=E0hKo2Fy; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="E0hKo2Fy" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=/3wyvCgF7xvp0uGxR/dqJ+LvnFcAl8T7SfLqaAeJ9Rc=; b=E0hKo2Fyr9kBeq4dGcwbVc5YSE 6briuCcRfeFiHCB07U89czZciGFAhsWpSB1M4TKmpxHfdWuk8n8L+nfoafbdM6OMCNY/SHwozuKSy h/m2jy1RCJ8aYzFoWZa7i6nheTrzusNZflefORJuyWhQ+ywTHMAXbM0iJSLwMEnFiAhQ=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1xI8NR-00BMvD-PW; Sat, 17 Oct 2026 19:39:25 +0200 Date: Sat, 17 Oct 2026 19:39:25 +0200 From: Andrew Lunn To: Marek Vasut Cc: netdev@vger.kernel.org, Vladimir Oltean , "Christophe Leroy (CS GROUP)" , "David S. Miller" , Andrew Lunn , Clark Wang , Claudiu Manoil , Conor Dooley , Eric Dumazet , Frank Li , Jakub Kicinski , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , UNGLinuxDriver@microchip.com, Wei Fang , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [net-next,PATCH 2/2] enetc: Make eMDIO MDC rate configurable from DT Message-ID: <84dec379-cfcf-4b95-95a7-e86b312c52ac@lunn.ch> References: <20261016193344.115518-1-marex@nabladev.com> <20261016193344.115518-2-marex@nabladev.com> <725fe351-bdd0-4b53-b551-0f638d02f98a@lunn.ch> <32239c97-e1dc-416d-8570-f681f91df0c8@nabladev.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <32239c97-e1dc-416d-8570-f681f91df0c8@nabladev.com> > The clock would be way too fast, on MX95 that would be over 33 MHz. O.K. I've run systems at ~ 12Mhz. The steps where quiet big, and it was unreliable at the next possible speed. I guess you start needing careful design, balanced lines, termination etc for really high speed. Andrew