From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiner Kallweit Subject: Re: [PATCH 2/3] net: phy: realtek: Enable accessing RTL8211E extension pages Date: Mon, 1 Jul 2019 22:37:16 +0200 Message-ID: <35db1bff-f48e-5372-06b7-3140cb7cbb71@gmail.com> References: <20190701195225.120808-1-mka@chromium.org> <20190701195225.120808-2-mka@chromium.org> <20190701200248.GJ30468@lunn.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190701200248.GJ30468@lunn.ch> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Andrew Lunn , Matthias Kaehlcke Cc: "David S . Miller" , Rob Herring , Mark Rutland , Florian Fainelli , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Douglas Anderson List-Id: devicetree@vger.kernel.org On 01.07.2019 22:02, Andrew Lunn wrote: > On Mon, Jul 01, 2019 at 12:52:24PM -0700, Matthias Kaehlcke wrote: >> The RTL8211E has extension pages, which can be accessed after >> selecting a page through a custom method. Add a function to >> modify bits in a register of an extension page and a few >> helpers for dealing with ext pages. >> >> rtl8211e_modify_ext_paged() and rtl821e_restore_page() are >> inspired by their counterparts phy_modify_paged() and >> phy_restore_page(). > > Hi Matthias > > While an extended page is selected, what happens to the normal > registers in the range 0-0x1c? Are they still accessible? > AFAIK: no > Andrew > Heiner