From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19B64C432BE for ; Fri, 30 Jul 2021 15:11:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFCA860EFE for ; Fri, 30 Jul 2021 15:11:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239537AbhG3PLu (ORCPT ); Fri, 30 Jul 2021 11:11:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238909AbhG3PLs (ORCPT ); Fri, 30 Jul 2021 11:11:48 -0400 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C13DC06175F; Fri, 30 Jul 2021 08:11:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender: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-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=z+rTA/ObrOOYDpgQnhNyZXPSqPg3dMUwZ39219bYFYE=; b=pQPFmm2qtpvBeXzSGuCG99sBt GnAGGc3nmRVTeaMDX0ptT6QyXrrsVMC3YPYeq7BbDYWf8LSVVStBzyo6PeSlpHP+cwLMLs3qSokbY mWVW9W+CkFnNLGC7lAPqURjvqzPxwLAbpEXxHTWw6x6HFYF4CIbXoKjwYDNZcKnwaCWOK6rc90HuS sZW4F72+P1xJiu4DYVhAA3M0ymOAPljHsawH26xKEUOHD+LU375LfiP64tg7wKuZ2eH8TXDJ+huH1 4va2I0Pw4fD/9S82qUiZFZtrmkP7CAExq+cFks2Vxkn9QZUWvKvob+NvqphJgs4j7V4WCirUcRJIE zAnmj/2Ww==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:46762) by pandora.armlinux.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m9UAZ-0002eP-Rr; Fri, 30 Jul 2021 16:11:27 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1m9UAX-00005c-3y; Fri, 30 Jul 2021 16:11:25 +0100 Date: Fri, 30 Jul 2021 16:11:25 +0100 From: "Russell King (Oracle)" To: Daniel Walker Cc: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Balamurugan Selvarajan , xe-linux-external@cisco.com, "David S. Miller" , Jakub Kicinski , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [RFC-PATCH] net: stmmac: Add KR port support. Message-ID: <20210730151124.GH22278@shell.armlinux.org.uk> References: <20210729234443.1713722-1-danielwa@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210729234443.1713722-1-danielwa@cisco.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: Russell King (Oracle) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 29, 2021 at 04:44:42PM -0700, Daniel Walker wrote: > From: Balamurugan Selvarajan > > For KR port the mii interface is a chip-to-chip > interface without a mechanical connector. So PHY > inits are not applicable. In this case MAC is > configured to operate at forced speed(1000Mbps) > and full duplex. Modified driver to accommodate > PHY and NON-PHY mode. Can we clarify exactly what you are talking about here. What does "KR port" refer to? What protocol is spoken by this port? Is it 1000BASE-KX (1000BASE-X over backplane)? Does it include 10GBASE-KR? Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!