Re: [PATCH 04/11] Blackfin SPORT UART: fix overrun errors

From: Alan Cox
Date: Wed Jun 03 2009 - 04:56:15 EST


> > This should have no effect on a modern kernel.
>
> well, we wouldnt be making changes if we werent seeing data overruns today

If it has an effect then something else is going on.
>
> > There is 64K of queueing between you and the ldisc nowdays.
>
> i dont think that really matters ... we do too much work in the
> interrupt and so we miss new data

Which the other patches addressed so my guess is the real fixes were the
other changes.

Alan
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