[U-Boot] [PATCH] smsc95xx: Use zero length packets when RX fifo is empty

Stefan Bruens stefan.bruens at rwth-aachen.de
Sun Sep 13 18:45:22 CEST 2015


On Tuesday 08 September 2015 08:56:12 Joe Hershberger wrote:
> On Mon, Sep 7, 2015 at 10:12 PM, Stefan Brüns
> 
> <stefan.bruens at rwth-aachen.de> wrote:
> > Using NAKs on empty RX fifo for bulk in transfers is the right choice
> > for a interrupt driven model, but U-Boot uses polling and expects an
> > immediate answer if there is no incoming packet. Using ZLP Bulk In
> > Response
> > (BIR) mode avoids unexpected timeouts in the host controller driver.
> > 
> > As ZLP mode is reset default, there is no need to set it.
> > 
> > Signed-off-by: Stefan Brüns <stefan.bruens at rwth-aachen.de>
> 
> LGTM.
> 
> Acked-by: Joe Hershberger <joe.hershberger at ni.com>

Anything I need to do to get this patch and the other ones I sent recently 
included into U-boot?

All pending patches were ACKed.

Kind regards,

Stefan

-- 
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