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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 C5999C352BE for ; Sat, 18 Apr 2020 20:09:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A02BE221F7 for ; Sat, 18 Apr 2020 20:09:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=walle.cc header.i=@walle.cc header.b="D10MxJEU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728281AbgDRUJw (ORCPT ); Sat, 18 Apr 2020 16:09:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727927AbgDRUJw (ORCPT ); Sat, 18 Apr 2020 16:09:52 -0400 Received: from ssl.serverraum.org (ssl.serverraum.org [IPv6:2a01:4f8:151:8464::1:2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B7EFC061A0C; Sat, 18 Apr 2020 13:09:52 -0700 (PDT) Received: from ssl.serverraum.org (web.serverraum.org [172.16.0.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 5469423061; Sat, 18 Apr 2020 22:09:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1587240589; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lwbpohXkgA8LBRIp0lZ4q/XzjtDAPv3LIIeZKlx0qvo=; b=D10MxJEUiC26rbD4lax+8UpzBji3cbsEhy6svKSmVTYs/aTYhWTaMNM79dEclTETomSKbS 4+Aa6fjWCkGhSbX24oo7qi9QGEyH3qgS+j1X9uOO6V4z/havW82dBC9vCFm8qniqhdyltm vQHjJZkaRmNlylWtjnzbpTGTZLs7UbU= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Sat, 18 Apr 2020 22:09:48 +0200 From: Michael Walle To: Florian Fainelli Cc: Andrew Lunn , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Jean Delvare , Guenter Roeck , Heiner Kallweit , Russell King , "David S . Miller" Subject: Re: [PATCH net-next 1/3] net: phy: broadcom: add helper to write/read RDB registers In-Reply-To: References: <20200417192858.6997-1-michael@walle.cc> <20200418141348.GA804711@lunn.ch> Message-ID: X-Sender: michael@walle.cc User-Agent: Roundcube Webmail/1.3.10 X-Spamd-Bar: + X-Rspamd-Server: web X-Rspamd-Queue-Id: 5469423061 X-Spamd-Result: default: False [1.40 / 15.00]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DKIM_SIGNED(0.00)[]; RCPT_COUNT_SEVEN(0.00)[10]; NEURAL_HAM(-0.00)[-0.968]; FREEMAIL_TO(0.00)[gmail.com]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_CC(0.00)[lunn.ch,vger.kernel.org,suse.com,roeck-us.net,gmail.com,armlinux.org.uk,davemloft.net]; MID_RHS_MATCH_FROM(0.00)[]; SUSPICIOUS_RECIPS(1.50)[] Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 2020-04-18 17:55, schrieb Florian Fainelli: > On 4/18/2020 7:13 AM, Andrew Lunn wrote: >> On Fri, Apr 17, 2020 at 09:28:56PM +0200, Michael Walle wrote: >>> RDB regsiters are used on newer Broadcom PHYs. Add helper to read, >>> write >>> and modify these registers. >> >> It would be nice to give a hint what RDB means? > > It means Register Data Base, it is meant to be a linear register > offset as opposed to the more convulated shadow 18, 1c or other > expansion registers. Oh I just found some comment to another linux patch explaining this. Because there is no trace what RDB actually means in the datasheets from Broadcom I've seen so far. -michael