[PATCH] b43: use rx desc underrun interrupt

[Michael Büsch]

On Sun, 21 Apr 2013 16:24:18 +0100
Piotras <piotras at gmail.com> wrote:

> >> Not sure if FIFO overruns are really an issue and how to prevent them.
> >> Maybe RX underflow should be handled in top half and reprogram device
> >> to suspend receives (is this possible)?
> >
> > What is "top half"?
> 
> Top half interrupt handler (b43_do_interrupt).

No way.
Interrupts are properly blocked before leaving the top-half handler and
re-enabled before leaving the bottom-half handler already.
Adding stuff to the top-half handler would only introduce serious locking
and latency issues and it would fix nothing.

-- 
Michael
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/b43-dev/attachments/20130421/36056889/attachment.sig>