Re: [PATCH 1/2] netdev/fec: fix performance impact from mdio polloperation

From: David Miller
Date: Sun May 16 2010 - 03:28:15 EST

From: Bryan Wu <bryan.wu@xxxxxxxxxxxxx>
Date: Fri, 7 May 2010 10:27:18 +0800

> BugLink:
> BugLink:
> After introducing phylib supporting, users experienced performace drop. That is
> because of the mdio polling operation of phylib. Use msleep to replace the busy
> waiting cpu_relax() and remove the warning message.
> Signed-off-by: Bryan Wu <bryan.wu@xxxxxxxxxxxxx>
> Acked-by: Andy Whitcroft <apw@xxxxxxxxxxxxx>

As you've already been told, making these MDIO interfaces fail silently
is not acceptable.

Please fix this bug properly and resubmit this patch series.

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