linux-kernel - Re: [PATCH] sky2: Add module parameter for passing the MAC address

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Date:	Wed, 5 Aug 2015 22:33:42 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	Liviu Dudau <Liviu.Dudau@....com>
Cc:	Stephen Hemminger <stephen@...workplumber.org>,
	Mirko Lindner <mlindner@...vell.com>,
	"ryan.harkin@...aro.org" <ryan.harkin@...aro.org>,
	netdev <netdev@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sky2: Add module parameter for passing the MAC address

Liviu Dudau <Liviu.Dudau@....com> :
> On Wed, Aug 05, 2015 at 05:40:57PM +0100, Stephen Hemminger wrote:
[...]
> > Yes, I can see that this can be a real problem, and other drivers
> > solve the problem. The standard method is to assign a random mac address
> > (and then let scripts overwrite) rather than introducing module parameter.
> > Module parameters are discouraged because they are device specific.
> > 
> 
> I agree. However, in my case, the boards people have assigned MAC addresses
> to the chip, they just didn't built the board in such a way as to allow one
> to store that MAC address in a permanent way :( And no, I can't use the DT
> because the chip is actually on the PCIe bus.
> 
> Even with the generation of a random address, it still needs to be copied
> into the device, so I would guess that a version of the patch I've sent is
> still relevant?

Assuming a random address is generated, could you elaborate what is needed
that sky2_set_mac_address fails to provide ?

-- 
Ueimor
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