solution to printk() blocking interrupts?

[Benjamin Herrenschmidt]

On Sun, 2008-09-21 at 19:34 -0400, Jon Smirl wrote:
> On Sun, Sep 21, 2008 at 6:21 PM, Sergei Shtylyov
> <sshtylyov at ru.mvista.com> wrote:
> >  Implementing the poll_controller() method in the network driver is usually
> > staightforward.
> 
> Good tip, the simple implementation worked.
> 
> What controls this? "carrier detect appears untrustworthy, waiting 4 seconds"
> Get that fixed and this patch could be useful,

Does the driver properly uses netif_carrier_on/off to signal the
system when the link is up/down ?

Cheers,
Ben.