From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: Re: [PATCH net-next v3 2/2] ixgbe: use mii_bus to handle MII related ioctls Date: Mon, 3 Dec 2018 11:07:59 -0800 Message-ID: References: <20181203163227.5107-1-stephend@silicom-usa.com> <20181203185454.6357-1-stephend@silicom-usa.com> <20181203185454.6357-3-stephend@silicom-usa.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , "intel-wired-lan@lists.osuosl.org" , "netdev@vger.kernel.org" , Andrew Lunn To: Steve Douthit , Jeff Kirsher Return-path: Received: from mail-yw1-f65.google.com ([209.85.161.65]:33343 "EHLO mail-yw1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726030AbeLCTIH (ORCPT ); Mon, 3 Dec 2018 14:08:07 -0500 Received: by mail-yw1-f65.google.com with SMTP id q11so5874315ywa.0 for ; Mon, 03 Dec 2018 11:08:02 -0800 (PST) In-Reply-To: <20181203185454.6357-3-stephend@silicom-usa.com> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: On 12/3/18 10:55 AM, Steve Douthit wrote: > Use the mii_bus callbacks to address the entire clause 22/45 address > space. Enables userspace to poke switch registers instead of a single > PHY address. > > The ixgbe firmware may be polling PHYs in a way that is not protected by > the mii_bus lock. This isn't new behavior, but as Andrew Lunn pointed > out there are more addresses available for conflicts. > > Signed-off-by: Stephen Douthit Reviewed-by: Florian Fainelli -- Florian From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Date: Mon, 3 Dec 2018 11:07:59 -0800 Subject: [Intel-wired-lan] [PATCH net-next v3 2/2] ixgbe: use mii_bus to handle MII related ioctls In-Reply-To: <20181203185454.6357-3-stephend@silicom-usa.com> References: <20181203163227.5107-1-stephend@silicom-usa.com> <20181203185454.6357-1-stephend@silicom-usa.com> <20181203185454.6357-3-stephend@silicom-usa.com> Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On 12/3/18 10:55 AM, Steve Douthit wrote: > Use the mii_bus callbacks to address the entire clause 22/45 address > space. Enables userspace to poke switch registers instead of a single > PHY address. > > The ixgbe firmware may be polling PHYs in a way that is not protected by > the mii_bus lock. This isn't new behavior, but as Andrew Lunn pointed > out there are more addresses available for conflicts. > > Signed-off-by: Stephen Douthit Reviewed-by: Florian Fainelli -- Florian