netdev - Re: [PATCH net-next v2] net: usb: ax88179_178a: write mac to hardware in get_mac

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Message-Id: <20191011.205106.154866536890874642.davem@davemloft.net>
Date:   Fri, 11 Oct 2019 20:51:06 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     pedro@...elbox.red
Cc:     netdev@...r.kernel.org, pfink@...ist-es.de
Subject: Re: [PATCH net-next v2] net: usb: ax88179_178a: write mac to
 hardware in get_mac_addr

From: Peter Fink <pedro@...elbox.red>
Date: Thu, 10 Oct 2019 15:00:22 +0200

> From: Peter Fink <pfink@...ist-es.de>
> 
> When the MAC address is supplied via device tree or a random
> MAC is generated it has to be written to the asix chip in
> order to receive any data.
> 
> Previously in 9fb137aef34e ("net: usb: ax88179_178a: allow
> optionally getting mac address from device tree") this line was
> omitted because it seemed to work perfectly fine without it.
> 
> But it was simply not detected because the chip keeps the mac
> stored even beyond a reset and it was tested on a hardware
> with an integrated UPS where the asix chip was permanently
> powered on even throughout power cycles.
> 
> Fixes: 9fb137aef34e ("net: usb: ax88179_178a: allow optionally getting mac address from device tree")
> Signed-off-by: Peter Fink <pfink@...ist-es.de>

Applied, thank you.