[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
--
Stefan Brüns / Bergstraße 21 / 52062 Aachen
home: +49 241 53809034 mobile: +49 151 50412019
work: +49 2405 49936-424
More information about the U-Boot
mailing list