linux-kernel - Re: [PATCH 3/4] atl1: Main C file for Attansic L1 driver

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Date:	Mon, 20 Nov 2006 14:35:10 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Stephen Hemminger <shemminger@...l.org>
CC:	Arnd Bergmann <arnd@...db.de>, Chris Snook <csnook@...hat.com>,
	Jay Cliburn <jacliburn@...lsouth.net>, romieu@...zoreil.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] atl1: Main C file for Attansic L1 driver

Stephen Hemminger wrote:
> Using common MII code is good, but one problem with the existing MII code is that
> it doesn't work when device is down. This makes it impossible to set speed/duplex
> before device comes up.


That's not true at all.  drivers/net/mii.c uses caller-provided locking 
in all cases, and there is nothing that prevents the common code from 
being called when the interface is down.

You are probably thinking about all the netif_running() checks found in 
the drivers, particularly in the ->begin() hook.

	Jeff


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