netdev - Re: stmmac: GMAC_RGSMIIIS reports bogus values

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Message-ID: <28d0ab2c-eb68-a520-e59a-83b15700fe44@st.com>
Date:   Tue, 31 Jan 2017 10:55:18 +0100
From:   Giuseppe CAVALLARO <peppe.cavallaro@...com>
To:     Alexey Brodkin <Alexey.Brodkin@...opsys.com>
CC:     "manabian@...il.com" <manabian@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "fabrice.gasnier@...com" <fabrice.gasnier@...com>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>,
        "alexandre.torgue@...il.com" <alexandre.torgue@...il.com>,
        "preid@...ctromag.com.au" <preid@...ctromag.com.au>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Vineet Gupta <Vineet.Gupta1@...opsys.com>,
        "davem@...emloft.net" <davem@...emloft.net>
Subject: Re: stmmac: GMAC_RGSMIIIS reports bogus values

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.

Regards
Peppe