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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 0A3D7C10DCE for ; Fri, 13 Mar 2020 09:47:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3641206EB for ; Fri, 13 Mar 2020 09:47:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="uPkshxTC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726443AbgCMJrZ (ORCPT ); Fri, 13 Mar 2020 05:47:25 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:33152 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726055AbgCMJrY (ORCPT ); Fri, 13 Mar 2020 05:47:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender: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=owOPiunMIkWsfod4tnAl8VA0j1fimAzydoG8uLc2/7c=; b=uPkshxTCiRfKdwCswjvl2dJz4S AB+JUe3UM/Gj+pvKXCJSOxII+Bt7iRvDlZmqMHL3Au3OZ0fnGHVrMLb6aRPLMy24VJ0ToEJXXNx77 lA4iBdL+uaB+BZezoqEJ5sxpYXuglbkH+i6HiYPVd3d4fxIz3rBi4bfnF8V9fcvRixkk=; Received: from andrew by vps0.lunn.ch with local (Exim 4.93) (envelope-from ) id 1jCguY-00041g-BT; Fri, 13 Mar 2020 10:47:22 +0100 Date: Fri, 13 Mar 2020 10:47:22 +0100 From: Andrew Lunn To: Sriram Chadalavada Cc: netdev@vger.kernel.org Subject: Re: Information on DSA driver initialization Message-ID: <20200313094722.GC14553@lunn.ch> References: <20200305225115.GC25183@lunn.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Mar 12, 2020 at 06:38:24PM -0400, Sriram Chadalavada wrote: > Hi Andrew, > Thank you for your response. > > Yes. There are patches applied. I did scatter printks/pr_info but > don't see anything yet from the Marvell 6176 switch without > CONFIG_NET_DSA_LEGACY enabled. CONFIG_NET_DSA_LEGACY is dead. Don't use it. Use the new binding. > > One question I have is if CONFIG_NET_DSA_LEGACY is NOT selected, > what in the 4.19 kernel takes over the function of dsa_probe function > in net/dsa/legacy.c and mv88e6xxx_drv_probe in > drivers/net/dsa/mv88e6xxx/chip.c ? When the mdio bus is registered, the mdio driver calls of_mdiobus_register() passing a DT node for the bus. The bus is walked and devices instantiated. Andrew