netdev - Re: [PATCH] net: phy: Add support for SMSC/Microchip LAN9303 3-port switch

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Message-ID: <CAGVrzcZQp0tdig72K0FpPOFQ8edn4T=u6oQNPc8jkKh=1WkM6Q@mail.gmail.com>
Date:	Tue, 11 Mar 2014 13:14:32 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	Yegor Yefremov <yegorslists@...glemail.com>
Cc:	David Miller <davem@...emloft.net>, Stefan Roese <sr@...x.de>,
	netdev <netdev@...r.kernel.org>, r.meier@...mens.com,
	lukas.stockmann@...mens.com
Subject: Re: [PATCH] net: phy: Add support for SMSC/Microchip LAN9303 3-port switch

2014-03-11 13:11 GMT-07:00 Yegor Yefremov <yegorslists@...glemail.com>:
> On Fri, Feb 28, 2014 at 7:00 PM, David Miller <davem@...emloft.net> wrote:
>> From: Stefan Roese <sr@...x.de>
>> Date: Fri, 28 Feb 2014 10:32:20 +0100
>>
>>> On 27.02.2014 23:02, David Miller wrote:
>>>> From: Stefan Roese <sr@...x.de>
>>>> Date: Thu, 27 Feb 2014 10:07:52 +0100
>>>>
>>>> Better is to come up with a real, types, interface for programming
>>>> such devices and providing an implementation of that.
>>>
>>> Right. Such a thing would be better. But as Florian already pointed
>>> out, nothing like this is available in kernel.org right now. Thats the
>>> reason why I chose to implement this "simple" driver, btw as done in
>>> drivers/net/phy/spi_ks8995.c.
>>
>> When a suitable user facing interface is lacking, you create one
>> and submit it for review here.  You don't just submit adhoc driver
>> local stuff.
>
> David, what about enabling ethtool to read/write from/to the PHY
> registers (via passing PHY ID and register number)? I'm trying to get
> ICplus IP175D running and it has lots of registers, that I would like
> to look at dynamically.

ethtool does not do that already for Ethernet MACs attached to a
single Ethernet PHY, so I do not think this would be the right tool
for this job. Something custom which uses SIOC{G,S}MIIREG might be
more suited for this as you would have control over the target PHY
address.

Maybe swconfig needs to be resubmitted again...
-- 
Florian
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