Messages in this thread | | | Subject | Re: [PATCH] 3c59x: read current link status from phy | From | Tommy Christensen <> | Date | Thu, 08 Sep 2005 15:05:00 +0200 |
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On Thu, 2005-09-08 at 13:58, Bogdan Costescu wrote: > Can the original poster give an explanation ? I've enjoyed a rather > well functioning 3c59x driver for the past ~6 years without such > double reading. Plus: > - this operation is I/O expensive > - it is performed inside a region protected by a spinlock > - it is performed often, every 60 seconds > > Is there some specific hardware that exhibits a problem that is solved > by this double reading ?
Nothing critical. The idea is to avoid an extra delay of 60 seconds before detecting link-up.
Please see http://bugzilla.kernel.org/show_bug.cgi?id=5025
-Tommy
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