Date: Wed, 16 Nov 2016 00:03:17 +0100
From: Andrew Lunn <andrew@lunn.ch>
To: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Cc: Florian Fainelli <f.fainelli@gmail.com>, davem@davemloft.net,
        charrer@alacritech.com, liodot@gmail.com, gregkh@linuxfoundation.org,
        devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
        netdev@vger.kernel.org
Subject: Re: [net-next 1/2] net: ethernet: slicoss: add slicoss gigabit
 ethernet driver
Message-ID: <20161115230317.GG23231@lunn.ch>
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> >>>>> +  			val = MII_BMCR << 16 | SLIC_PCR_AUTONEG |
> >>>>> +		     	         SLIC_PCR_AUTONEG_RST;
> >>>>> +			slic_write(sdev, SLIC_REG_WPHY, val);

> Thats essentially what I meant by setting a flag in the irq handler. The mdio
> function would have to check somehow if the irq has been fired (be it by means
> of a flag or a completion that is set by the irq handler and checked by the 
> mdio function). So I agree that it should work (if reading via the AP command
> is actually possible).

It seems odd you have a nice simple way to do writes, but reads are
very complex. There might be a simple read method hiding somewhere.

     Andrew