netdev - Re: [PATCH] ibm_newemac: Increase MDIO timeouts

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Date:	Sat, 26 Apr 2008 08:22:38 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Bill Fink <billfink@...dspring.com>
Cc:	jgarzik@...ox.com, netdev@...r.kernel.org, linuxppc-dev@...abs.org,
	super.firetwister@...glemail.com
Subject: Re: [PATCH] ibm_newemac: Increase MDIO timeouts


On Fri, 2008-04-25 at 16:57 -0400, Bill Fink wrote:
> On Wed, 23 Apr 2008, Benjamin Herrenschmidt wrote:
> 
> > This patch doubles the MDIO timeouts in EMAC as there are field
> > cases where they are two short to communicate with some PHYs.
> 
> I guess them being "two short" is why they needed to be doubled.  :-)

Well, in that case, it makes sense, it's still pretty short and better
safe than sorry. On day I may look at actually measuring PHYs and see if
it's worth trying to do sleeping waits in there.

Ben.


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