From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=194.13.80.246 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792507908; b=kQIbm+lqMWEl77XDivg2V2oU9DIF/5Tt0/280G4tAHlkJT5oXLNhWUDQaEI0kFOcdvLT IJRaQmx+TQz9XGui1OQxEztTttAIcChS6UNJCWXy5WKS3+k3ifWS84x+H1BqwosUuA2Oc dydpPYaCNimeDB9Dwry6JHyd+B0c/zDYjk7xD2dFT96jHYjXyWm/DIDfFQ+YrYzZtFf9Z GLa6n5cVao4yZuqp5g5YBJxYqsl5IY5uNMZln0rBncZwoeVQ24DBpr3kZD667SKRewP3g ZnLempYooKtOKjlOby5dn46pcHf8B8RZwQLGYUlg88FrR9h5lhUIizkMw/ubNifigAQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792507908; h=DMARC-Filter:Received:DKIM-Signature:MIME-Version:Date:From:To:Cc: Subject:In-Reply-To:References:Message-ID:X-Sender:Content-Type: Content-Transfer-Encoding:X-Last-TLS-Session-Version; bh=FBHeTU63Usdq/raengLNx/gUay91rdd9cr74l15T2Ys=; b=ThKg/+EyoGdwFCw5vx4mc6INeTXUfpDRT5mgeTp6OMXzvnjYPzL7NW9mN92Qzw2QiPXj Ze06EnEfhVP7AWa4/yJ1MenNWj6tBg/dCpr6U8xjL0KT3WgDVX5MMqyEXYppmwW93qQcM RAEgHIJwViYj9EdqIrw9VbLzlC3Z/lqpj05krUgQ/leiRDLLlGNrmACupfYF3PkwlkpyJ O6XER+Bbz3D2U4FHF5uz9fc6F5wZQVfDPPFu9kt784R07XQV73ZSanvstK1A5+T6/+GJ/ 77P+DP8oPDnv7c18E1V95ohLtZgij7Cp4ATfCbRJZDLtoRHHgHQ4rviD6gWrZZRvU9g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=tipi-net.de; spf=pass smtp.mailfrom=tipi-net.de; dkim=pass header.d=tipi-net.de header.i=@tipi-net.de header.a=rsa-sha256 header.s=dkim header.b=a8IZkvpj; arc=none smtp.remote-ip=194.13.80.246 Received: from mail.tipi-net.de (mail.tipi-net.de [194.13.80.246]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D179606A31A; Tue, 20 Oct 2026 14:51:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 3D179606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tipi-net.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tipi-net.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=tipi-net.de header.i=@tipi-net.de header.a=rsa-sha256 header.s=dkim header.b=a8IZkvpj Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id B115DA02DC; Tue, 20 Oct 2026 16:51:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tipi-net.de; s=dkim; t=1792507905; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=FBHeTU63Usdq/raengLNx/gUay91rdd9cr74l15T2Ys=; b=a8IZkvpjWvTGiQBHz6l2VTaDVZaT0cRv8IYQLvJPCy6+rx7PXK176X8AUW05vw9a1qWw9Q eSr9xrrzA9MpQRWJKIkxDsw15KXsgrvpCfH9hp6N/LOesJvYUPkYTafQasqB3A/9wU904C AnWB4kzMIHHSokv0SanVKJb6KWEwmEljrm+oLrrkEwpPjCh1w39so9LvyjH1yMA67zkIUK YyM+MCN/R8pdkBMIPbbtQ7UW2a4Btn8YYSe4yaG6YjFS0Mga2KBMR7AmEW4BqBkgfs0t33 2492riex0ZEMgZmRPBrtdBRq4T5QwYbxHqdemVXRmvfmZgK+gwCV4abu/i2qaw== X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Date: Tue, 20 Oct 2026 16:51:42 +0200 From: Nicolai Buchwitz To: Florian Fainelli Cc: Andrew Lunn , James Clark , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Heiner Kallweit , Richard Cochran , Doug Berger , =?UTF-8?Q?Th=C3=A9o_Lebrun?= , Russell King , Conor Dooley , Broadcom internal kernel review list , Thomas Gleixner , Miroslav Lichvar , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next 5/5] net: mdio: bcm-unimac: implement timestamped MDIO writes In-Reply-To: <2279ba71-009f-429b-a27e-dc72ab11cfbc@broadcom.com> References: <20261009143506.2507607-1-jjc@jclark.com> <20261009143506.2507607-6-jjc@jclark.com> <3b1a2994-5251-4800-8c61-b63d7a435b21@broadcom.com> <60accbd89cfaf0d4be1da5ec2fafd975@tipi-net.de> <41c32f5a6f38ec9df8a79ce896912fb9@tipi-net.de> <68eeee64-7f62-459c-b53d-61ec04b4d8e3@lunn.ch> <6b5ff0aee5db9bba10828d2f949c9d67@tipi-net.de> <2279ba71-009f-429b-a27e-dc72ab11cfbc@broadcom.com> Message-ID: X-Sender: nb@tipi-net.de Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Hi Florian On 16.10.2026 00:12, Florian Fainelli wrote: > [...] >>>> I've put together 3 patches, which do the clock plumbing: >>>> https://github.com/nbuchwitz/linux/commits/devel/bcm2711-gisb-clk/ >>> >>> It would be nice to extend this and set the divider based on this to >>> give 2.5Mhz, as required by 802.3, as the default. Allow boards to >>> override this using the clock-frequency property. > > Regarding the choice of the GISB clock to feed it into the MDIO clock > input, that's something for Raspberry Pi to comment on because I > vividly remember we did something different for 7211 and used a 250MHz > clock in the interest of being identical to the other STB chips. Your > changes do look correct however. I received feedback from RPi today regarding the GISB clock, and they confirmed my theory. I’ll therefore send the clock patches soon. > [...] Cheers Nicolai