From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752189AbdAaNrL (ORCPT ); Tue, 31 Jan 2017 08:47:11 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:28599 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752076AbdAaNrF (ORCPT ); Tue, 31 Jan 2017 08:47:05 -0500 Subject: Re: stmmac: GMAC_RGSMIIIS reports bogus values To: Alexey Brodkin References: <1478189833.4072.65.camel@synopsys.com> <1485369563.7117.81.camel@synopsys.com> <1485512586.2693.35.camel@synopsys.com> <28d0ab2c-eb68-a520-e59a-83b15700fe44@st.com> <1485869040.2706.15.camel@synopsys.com> CC: "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-snps-arc@lists.infradead.org" From: Giuseppe CAVALLARO Message-ID: Date: Tue, 31 Jan 2017 14:46:32 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: <1485869040.2706.15.camel@synopsys.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG7NODE1.st.com (10.75.127.19) To SFHDAG4NODE1.st.com (10.75.127.10) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-01-31_05:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Alexey On 1/31/2017 2:24 PM, Alexey Brodkin wrote: > Hi Giuseppe, > > On Tue, 2017-01-31 at 10:55 +0100, Giuseppe CAVALLARO wrote: >> On 1/27/2017 11:23 AM, Alexey Brodkin wrote: >>> >>> That's why my initial proposal was to ignore whatever we read from this register >>> if we have MDIO bus instantiated already. >> >> sorry for my late reply, I agree with this approach, according to the >> HW and platform configuration the driver has to understand and then >> work to use either SMA or PCS module. > > I already submitted another solution which IMHO is much cleaner and appropriate, > see David has it already in master tree here: > http://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=0a764db103376cf69d04449b10688f3516cc0b88 > it's ok, thx for that Peppe > -Alexey >