linux-kernel - Re: [PATCH v2] net: cpsw: fix obtaining mac address for am3517

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Message-ID: <20161028155213.2t3nwwe3lqaynaer@atomide.com>
Date:   Fri, 28 Oct 2016 08:52:14 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Jeroen Hofstee <jhofstee@...tronenergy.com>
Cc:     netdev@...r.kernel.org, Mugunthan V N <mugunthanvnm@...com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        "open list:TI ETHERNET SWITCH DRIVER (CPSW)" 
        <linux-omap@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] net: cpsw: fix obtaining mac address for am3517

* Jeroen Hofstee <jhofstee@...tronenergy.com> [161028 08:33]:
> Commit b6745f6e4e63 ("drivers: net: cpsw: davinci_emac: move reading mac
> id to common file") did not only move the code for an am3517, it also
> added the slave parameter, resulting in an invalid (all zero) mac address
> being returned for an am3517, since it only has a single emac and the slave
> parameter is pointing to the second. So simply always read the first and
> valid mac-address for a ti,am3517-emac.

And others davinci_emac.c users can have more than one. So is the
reason the slave parameter points to the second instance because
of the location in the hardware?

Regards,

Tony