From: Lino Sanfilippo
Date: Sun, 30 Nov 2014 11:49:36 +0100
> In pxa168_eth_open() the irqs are enabled before napi. This opens a tiny time
> window in which the irq handler is processed, disables irqs but then is not
> able
> to schedule the not yet activated napi, leaving irqs disabled forever
In pxa168_eth_open() the irqs are enabled before napi. This opens a tiny time
window in which the irq handler is processed, disables irqs but then is not able
to schedule the not yet activated napi, leaving irqs disabled forever (since
irqs are reenabled in napi poll function).
Fix this race by act
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