netdev - Re: Davicom DM9162 PHY supported in the kernel?

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Date:	Tue, 24 May 2016 18:30:47 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Amr Bekhit <amrbekhit@...il.com>
Cc:	Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
Subject: Re: Davicom DM9162 PHY supported in the kernel?

On Tue, May 24, 2016 at 05:09:35PM +0100, Amr Bekhit wrote:
> Hi Andrew,
> 
> > How about adding a printk() in genphy_read_status().
> 
> Would you be able to point me to some more information about these
> status bits, please?

You can get the datasheet from here:

http://www.davicom.com.tw/userfile/24247/DM9162_DM9162I-12-MCO-DS-F01_08062014.pdf

I would start by looking at the BMCR register. The
genphy_read_status() function should get called about once per second,
so that is an O.K. place to add debug prints, and there is example
code for reading MII_BMCR.

     Andrew