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 7FEC9243371; Thu, 18 Sep 2025 14:56:53 +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=1758207414; cv=none; b=Ot4IiVKP+Q3A9AEr07GMb74XLkqU2TWTed3hJ+r1wsXFW4UQuovX1gkPiYwbmI1Fe4HHixQNgsF/GL+brxnr6CTJA9vX3Aay5G9+SEpdmJ0GJTcLcf/tToa+6570RCqZ8nHIowDW07j7fI8Qf61gAzknaMBzirJnbKF7lL1CYFw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758207414; c=relaxed/simple; bh=8z/tnlGfcj0sHQpOOZSE8H5bYHm1R8zUOzpIG2oOSfg=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OFTTUcglpedj50a+9PUSy6KtpJnmC2VYfFUSTzwsWPy2eqkgO0t9zjRaSl34TYrHMS9OfZEBbnGVImYzAV2+aZtmjrYi+eqpSp6GsFhw/NjWYeKWNNYuYwItSxqguaiEkfIaKBh4s4fawuZJNJqNPtqxEYQzNggU6cNeuYrP0oU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=h7+2GrJ5; 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="h7+2GrJ5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47BDEC4CEFB; Thu, 18 Sep 2025 14:56:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758207413; bh=8z/tnlGfcj0sHQpOOZSE8H5bYHm1R8zUOzpIG2oOSfg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=h7+2GrJ5h0nqFlRgGXJwT26ITp3PxhHXrt3EGfeGOqP5YDX3SVSQh8PEB2qLOI5tJ JBIwLZgQU1DGIo1fwCTth+CbWPgZbpIJMfmGbMc2vQdbq+EjAF4u1miD0epVR7Nim7 X0xePlTmXNuxHjExwOAWwTLN6+B9Z6rO4ELnD0LrEzJZV5HmtQT1z4EZAmkRfBdmOO QK2LdSFGjs9AyFaqvS/J9EDly4ZcMbiAVws363DKd8VrM9L0OlUjLDV0li80LpYeSg 3W+pRt9P0Nb8Mv99ihsuKFX2wMHXUtptqm1VINoC4m3yfiheX0cFX31pQNH8+tQ/k5 yQThWQhvXOwuw== Date: Thu, 18 Sep 2025 07:56:51 -0700 From: Jakub Kicinski To: Matthias Schiffer Cc: Michael Walle , Siddharth Vadapalli , Andrew Lunn , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Andrew Lunn , "David S . Miller" , Eric Dumazet , Paolo Abeni , Roger Quadros , Simon Horman , Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux@ew.tq-group.com Subject: Re: [PATCH net-next] Revert "net: ethernet: ti: am65-cpsw: fixup PHY mode for fixed RGMII TX delay" Message-ID: <20250918075651.4676f808@kernel.org> In-Reply-To: <804f394db1151f1fb1f19739d5347b38a3930e8a.camel@ew.tq-group.com> References: <20250728064938.275304-1-mwalle@kernel.org> <57823bd1-265c-4d01-92d9-9019a2635301@lunn.ch> <2269f445fb233a55e63460351ab983cf3a6a2ed6.camel@ew.tq-group.com> <88972e3aa99d7b9f4dd1967fbb445892829a9b47.camel@ew.tq-group.com> <84588371-ddae-453e-8de9-2527c5e15740@lunn.ch> <47b0406f-7980-422e-b63b-cc0f37d86b18@ti.com> <804f394db1151f1fb1f19739d5347b38a3930e8a.camel@ew.tq-group.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-Transfer-Encoding: 7bit On Mon, 04 Aug 2025 15:45:08 +0200 Matthias Schiffer wrote: > > > Disabling the TX delay may or may not result in an operational system. > > > This holds true for all SoCs with various CPSW instances that are > > > programmed by the am65-cpsw-nuss.c driver along with the phy-gmii-sel.c > > > driver. > > > > In that case u-boot shall be fixed, soon. And to workaround older > > u-boot versions, linux shall always enable that delay, like Andrew > > proposed. > > I can submit my patch for U-Boot some time this week, probably tomorrow. Do you > also want me to take care of the Linux side for enabling the MAC delay? What's the conclusion with this regression? If we need a fix in Linux it'd be great to have it before v6.17 is cut.